text:
Alarm systems - Intrusion and hold-up systems - Part 2-2: Intrusion detectors - Passive infrared detectors
CLC/TC 79
This European Standard is for passive infrared detectors installed in buildings and provides for security grades 1 to 4 (see EN 50131-1), specific or non-specific wired or wire-free detectors, and uses environmental classes I to IV (see EN 50130-5). This European Standard does not include requirements for passive infrared detectors intended for use outdoors. It is essential that a detector fulfils all the requirements of the specified grade. Functions additional to the mandatory functions specified in this standard may be included in the detector, providing they do not influence the correct operation of the mandatory functions. This European Standard does not apply to system interconnections.
Alarmanlagen - Einbruch- und Überfallmeldeanlagen - Teil 2-2: Einbruchmelder - Passiv-Infrarotmelder
Systèmes d'alarme - Systèmes d'alarme contre l'intrusion et les hold-up - Partie 2-2: Détecteurs d'intrusion - Détecteurs à infrarouges passifs
La présente Norme Européenne concerne les détecteurs à infrarouges passifs installés dans les immeubles et elle est prévue pour les détecteurs filaires ou non filaires spécifiques ou non spécifiques de grades de sécurité 1 à 4 (voir l'EN 50131-1) et elle utilise des classes d'environnement I à IV (voir l'EN 50130-5). La présente Norme Européenne ne contient pas d'exigences pour les détecteurs à infrarouges passifs destinés à une utilisation en extérieur. Il est essentiel qu'un détecteur satisfasse à toutes les exigences du grade spécifié. Des fonctions complémentaires aux fonctions obligatoires spécifiées dans la présente Norme peuvent être incluses dans le détecteur, sous réserve qu'elles restent sans impact sur le bon fonctionnement des fonctions obligatoires. La présente Norme Européenne ne s'applique pas aux liaisons entre systèmes.
Alarmni sistemi - Sistemi za javljanje vloma in ropa - 2-2. del: Javljalniki vloma - Pasivni infrardeči javljalniki
Ta evropski standard se uporablja za pasivne infrardeče javljalnike, ki so nameščeni v zgradbah, določa varnostne razrede od 1 do 4 (glej EN 50131-1) in lastnosti specifičnih in nespecifičnih kabelskih ali brezžičnih javljalnikov ter uporablja okoljske razrede od I do IV (glej EN 50130-5). Ta evropski standard ne zajema zahtev za pasivne infrardeče javljalnike, namenjene za zunanjo uporabo.
Detektor mora izpolnjevati vse zahteve določenega razreda.
Poleg obveznih funkcij, ki so opredeljene v tem standardu, ima lahko javljalnik tudi dodatne funkcije, pri čemer te ne smejo vplivati na pravilno delovanje obveznih funkcij.
Ta evropski standard se ne uporablja za medsebojne povezave sistemov.
13.310 - Protection against crime
CLC/TC 79 - Alarm systems
6060 - Document made available
SIST EN 50131-2-2:2018 - Alarm systems - Intrusion and hold-up systems - Part 2-2: Intrusion detectors - Passive infrared detectors
EN 50131-2-2:2008/IS1:2014 - Alarm systems - Intrusion and hold-up systems - Part 2-2: Intrusion detectors - Passive infrared detectors
EN 50131-2-2:2008 - Alarm systems - Intrusion and hold-up systems - Part 2-2: Intrusion detectors - Passive infrared detectors
FprEN 50131-2-2 - Alarm systems - Intrusion and hold-up systems - Part 2-2: Requirements for passive infrared detectors
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Ta slovenski standard je istoveten z: EN 50131-2-2:2017
13.310 Varstvo pred kriminalom Protection against crime
13.320 Alarmni in opozorilni sistemi Alarm and warning systems
SIST EN 50131-2-2:2018 en,fr
EUROPEAN STANDARD EN 50131-2-2
ICS 13.310 Supersedes EN 50131-2-2:2008, EN 50131-2-
2:2008/IS1:2014
Alarm systems - Intrusion and hold-up systems - Part 2-2:
Intrusion detectors - Passive infrared detectors
Systèmes d'alarme - Systèmes d'alarme contre l'intrusion et Alarmanlagen - Einbruch- und Überfallmeldeanlagen - Teil
les hold-up - Partie 2-2: Détecteurs d'intrusion - Détecteurs 2-2: Einbruchmelder - Passiv-Infrarotmelder
à infrarouges passifs
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey and the United Kingdom.
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
Ref. No. EN 50131-2-2:2017 E
EN 50131-2-2:2017 (E)
European foreword ................................................................................................................................. 4
Introduction ............................................................................................................................................. 6
1 Scope ................................................................................................................................................. 7
2 Normative references ....................................................................................................................... 7
3 Terms, definitions and abbreviations ............................................................................................ 7
3.1 Terms and definitions ..................................................................................................................... 7
3.2 Abbreviations .................................................................................................................................. 8
4 Functional requirements ................................................................................................................. 8
4.1 Event Processing ............................................................................................................................ 8
4.2 Detection .......................................................................................................................................10
4.3 Operational requirements .............................................................................................................12
4.4 Immunity to incorrect operation ....................................................................................................12
4.5 Tamper security ............................................................................................................................13
4.6 Electrical requirements .................................................................................................................14
4.7 Environmental classification and conditions .................................................................................15
5 Marking, identification and documentation .................................................................................15
5.1 Marking and/or identification .........................................................................................................15
5.2 Documentation ..............................................................................................................................15
6 Testing .............................................................................................................................................16
6.1 General .........................................................................................................................................16
6.2 General test conditions .................................................................................................................16
6.3 Basic detection test .......................................................................................................................17
6.4 Walk testing ..................................................................................................................................18
6.5 Switch-on delay, time interval between signals and indication of detection .................................20
6.6 Self-tests .......................................................................................................................................20
6.9 Electrical tests ...............................................................................................................................23
6.10 Environmental classification and conditions .................................................................................25
6.11 Marking, identification and documentation ...................................................................................26
Annex A (normative) Dimensions and requirements of the standardised test magnets .............27
A.1 Introduction ................................................................................................................................27
A.2 Requirements .............................................................................................................................27
Annex B (normative) General testing matrix ....................................................................................30
Annex C (normative) Walk test diagrams .........................................................................................32
Annex D (normative) Procedure for calculation of average temperature difference ...................36
D.1 Measurement and calculation of the real average temperature difference between the
SWT and the background ....................................................................................................................36
D.2 Adjustment of average temperature difference between the SWT and the background ....36
Annex E (informative) Basic detection target for the basic test of detection capability .............37
Annex F (informative) Equipment for walk test velocity control ....................................................38
F.1 General ........................................................................................................................................38
F.2 Moving light source guiding system ........................................................................................38
F.3 Metronome ..................................................................................................................................38
Annex G (informative) Immunity to visible and near infrared radiation - Notes on calibration of
the light source .....................................................................................................................................39
Annex H (informative) Example list of small tools ...........................................................................40
Annex I (informative) Test for resistance to re-orientation of adjustable mountings ..................41
Annex J (informative) Delta-T film adjustment Lookup table .........................................................43
Annex K (informative) Immunity to hot air flow fan heater setup ..................................................44
Bibliography ..........................................................................................................................................45
This document (EN 50131-2-2:2017) has been prepared by CLC/TC 79, "Alarm systems".
• latest date by which this document has (dop) 2018-09-11
to be implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2020-09-11
standards conflicting with this document
have to be withdrawn
This document supersedes EN 50131-2-2:2008 and EN 50131-2-2:2008/IS1:2014.
EN 50131-2-2:2017 includes the following significant technical changes with respect to EN 50131-2-
2:2008 and EN 50131-2-2:2008/IS1:2014:
— Editorial changes and refinement of wording;
— Clarification to significant reduction of range requirements;
— Clarification to the Electrical requirements section and certain environmental conditions;
— Improvement of the requirements of the supplied documentation;
— Improvement of the standard conditions for testing;
— Added chapter which defines the condition for the mounting height while the tests are performed;
— Refinement of the standard requirements for the Testing procedures;
— Refinement of the Immunity to air flow test to allow for better repeatability of the test results;
— Verified and clarified the wording of the test for resistance to or detection of re-orientation of
adjustable mountings;
— Update the test magnet specification for resistance to magnetic field interference;
— Verified and clarified wording for the detection of detector masking in regards to the conditions and
the test material;
— Review and optimization of the methods for temperature adjustments for the test environment;
— Review Sample Testmatrix;
— Review and verify references to other standards.
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights
EN 50131 will consist of the following parts, under the general title Alarm systems - Intrusion and
hold-up systems:
Part 1 System requirements
Part 2–2 Intrusion detectors – Passive infrared detectors
Part 2–3 Intrusion detectors – Microwave detectors
Part 2–4 Intrusion detectors – Combined passive infrared / Microwave detectors
Part 2–5 Intrusion detectors – Combined passive infrared / Ultrasonic detectors
Part 2–6 Intrusion detectors – Opening contacts (magnetic)
Part 2–7–1 Intrusion detectors – Glass break detectors – Acoustic
Part 2–7–2 Intrusion detectors – Glass break detectors – Passive
Part 2–7–3 Intrusion detectors – Glass break detectors – Active
Part 3 Control and indicating equipment
Part 4 Warning devices
Part 5–3 Requirements for interconnections equipment using radio frequency techniques
Part 6 Power supplies
Part 7 Application guidelines
Part 8 Security fog devices
This European Standard deals with passive infrared detectors (to be referred to as the detector), used
as part of intrusion alarm systems installed in buildings. It includes four security grades and four
environmental classes.
The purpose of a detector is to detect the broad spectrum infrared radiation emitted by an intruder and
to provide the necessary range of signals or messages to be used by the rest of the intrusion alarm
The number and scope of these signals or messages will be more comprehensive for systems that are
specified at the higher grades.
This European Standard is only concerned with the requirements and tests for the passive infrared
detectors. Other types of detectors are covered by other documents identified as in EN 50131-2
This European Standard is for passive infrared detectors installed in buildings and provides for
security grades 1 to 4 (see EN 50131-1), specific or non-specific wired or wire-free detectors, and
uses environmental classes I to IV (see EN 50130-5). This European Standard does not include
requirements for passive infrared detectors intended for use outdoors.
It is essential that a detector fulfils all the requirements of the specified grade.
Functions additional to the mandatory functions specified in this standard may be included in the
detector, providing they do not influence the correct operation of the mandatory functions.
This European Standard does not apply to system interconnections.
EN 50130-4, Alarm systems — Part 4: Electromagnetic compatibility — Product family standard:
Immunity requirements for components of fire, intruder, hold up, CCTV, access control and social
EN 50130-5, Alarm systems — Part 5: Environmental test methods
EN 50131-1, Alarm systems — Intrusion and hold-up systems — Part 1: System requirements
EN 50131-6, Alarm systems — Intrusion and hold-up systems — Part 6: Power supplies
EN 60068-2-52, Environmental testing — Part 2: Tests — Test Kb: Salt mist, cyclic (sodium chloride
solution) (IEC 60068-2-52)
EN 60404-5, Magnetic materials — Part 5: Permanent magnet (magnetically hard) materials —
Methods of measurement of magnetic properties (IEC 60404-5)
EN 60404-8-1, Magnetic materials — Part 8-1: Specifications for individual materials — Magnetically
hard materials (IEC 60404-8-1)
EN 60404-14, Magnetic materials — Part 14: Methods of measurement of the magnetic dipole
moment of a ferromagnetic material specimen by the withdrawal or rotation method (IEC 60404-14)
3 Terms, definitions and abbreviations
For the purposes of this document, the terms, definitions and abbreviations given in EN 50131-1 and
the following apply.
basic detection target
heat source designed to verify the operation of a detector
incorrect operation
physical condition that causes an inappropriate signal or message from a detector
interference with the detector input capability by the introduction of a physical barrier such as metal,
plastics, paper or sprayed paints or lacquers in close proximity to the detector
passive infrared detector
detector of the broad-spectrum infrared radiation emitted by a human being
simulated walk test target
non-human heat source designed to simulate the standard walk test target
standard walk test target
human being of standard weight and height clothed in close fitting clothing appropriate to the
simulation of an intruder
walk test
operational test during which a detector is stimulated by the standard walk test target in a controlled
walk test attitude, crawling
crawling attitude shall consist of the standard walk test target moving with hands and knees in contact
with the floor
walk test attitude, upright
upright attitude shall consist of the standard walk test target standing and walking with arms by the
sides of the body. The standard walk test target begins and ends a traverse with feet together
HDPE High Density PolyEthylene
PIR Passive InfraRed
EMC Electro Magnetic Compatibility
SWT Standard Walk-test Target
BDT Basic Detection Target
FOV Field Of View
4 Functional requirements
4.1 Event Processing
Detectors shall process the events shown in Table 1.
Table 1 — Events to be processed by grade
Intrusion detection M M M M
Tamper detection Op M M M
Masking detection Op Op M M
Significant reduction of range Op Op Op M
Low supply voltage Op Op M M
Total loss of power supply Op M M M
Local self-test Op Op M M
Remote self-test Op Op Op M
M = mandatory
Op = optional
Detectors shall generate signals or messages as shown in Table 2.
Table 2 — Generation of Signals or Messages
Signals or Messages
Intrusion Tamper Fault
No event NP NP NP
Intrusion M NP NP
Tamper NP M NP
Masking M Op M
Significant reduction of range M Op M
Low supply voltage Op Op M
Total loss of power supply M Op Op
Local self-test pass NP NP NP
Local self-test fail NP NP M
Remote self-test pass M NP NP
Remote self-test fail NP NP M
NP = not permitted
An independent signal or message may be provided instead.
This permits two methods of signalling a masking or reduction of range event: either by
the intrusion signal and fault signal, or by a dedicated masking or reduction of range
signal or message. Use of the intrusion signal and fault signal is preferable, as this
requires fewer connections between CIE and detector. If multiple events overlap there
will be some signal combinations that may be ambiguous. To overcome this ambiguity it
is suggested that detectors should not signal 'intrusion' and 'fault' at the same time
except to indicate masking. This implies that the detector should prioritise signals, e.g. 1
Intrusion, 2 Fault, 3 Masking.
Alternatively Total loss of Power Supply shall be determined by loss of
communication with the detector.
When, in Table 1, an event may optionally generate signals or messages, they need to
be as shown in this table.
4.2 Detection
4.2.1 Detection performance
The detector shall generate an intrusion signal or message when the standard or simulated walk-test
target moves at velocities and attitudes specified in Table 3. For detection across the boundary the
walk-test distance shall be 1,5 m either side of the boundary. For detection within the boundary the
walk-test distance shall be 3,0 m.
Table 3 — General walk test velocity and attitude requirements
Test Grade 1 Grade 2 Grade 3 Grade 4
Detection across the boundary
Required Required Required Required
-1 -1 -1 -1
Velocity 1,0 ms 1,0 ms 1,0 ms 1,0 ms
Attitude Upright Upright Upright Upright
Detection within the boundary
Detection at high velocity
Not required Required Required Required
-1 -1 -1
Velocity N/A 2,0 ms 2,5 ms 3,0 ms
Attitude N/A Upright Upright Upright
Close-in detection performance
Distance 2,0 m 2,0 m 0,5 m 0,5 m
Attitude Upright Upright Crawling Crawling
Intermittent movement detection
Not required Not required Required Required
-1 -1
Velocity N/A N/A 1,0 ms 1,0 ms
Attitude N/A N/A Upright Upright
Significant reduction of specified
Not required Not required Not required Required
Velocity N/A N/A N/A 1,0 ms
Attitude N/A N/A N/A Upright
For grade 3 and 4 detectors, the intermittent movement shall consist of the SWT walking 1 m at a velocity of
1,0 ms-1 then pausing for 5 s before continuing. The sequence shall be maintained until the SWT has
traversed through the entire detection area. This constitutes one walk test. The test shall be repeated in each
of the directions shown in Figure C.3.
The means to detect a significant reduction in range may be met either by detectors having the appropriate
function (4.2.3) or by suitable system design. Two or more devices (e.g. a detector in conjunction with a
camera, active transmitter or additional detector), may cooperate and interconnect with the system to provide
means to detect a significant reduction of range.
4.2.2 Indication of detection
An indicator shall be provided at the detector to indicate when an intrusion signal or message has
been generated. At grades 1 and 2 this indicator shall be capable of being enabled and disabled either
remotely at Access Level 2 and/or locally after removal of cover which provides tamper detection as
described in Tables 1 and 4. At grades 3 and 4 this indicator shall be capable of being enabled and
disabled remotely at Access Level 2.
4.2.3 Significant reduction of range
Grade 4 detectors shall detect significant reduction of range or coverage area due, for example, to
deliberate or accidental introduction of objects or obstructions into the coverage area.
Range reduction along the principal axis of detection of more than 50 % shall generate a signal or
message within 180 s, according to the requirements of Table 2 and Table 3.
The signals or messages shall remain for at least as long as the significant reduction of range
condition is present. A significant reduction of range signal or message shall not be reset while the
significant reduction of range condition is still present. Alternatively the significant reduction of range
signal or message shall be generated again within 180 s of being reset if the significant reduction of
range condition is still present.
If additional equipment is required to detect significant reduction of range, reference shall be made to
this equipment and its operation in the manufacturer's documentation.
4.3 Operational requirements
4.3.1 Time interval between intrusion signals or messages
Detectors using wired interconnections shall be able to provide an intrusion signal or message not
more than 15 s after the end of the preceding intrusion signal or message.
Detectors using wire free interconnections shall be able to provide an intrusion signal or message after
the end of the preceding intrusion signal or message within the following times:
Grade 1 300 s
Grade 3 30 s
4.3.2 Switch on delay
The detector shall meet all functional requirements within 180 s of the power supply reaching its
nominal voltage as specified by the manufacturer.
4.3.3 Self-tests
Self-tests shall detect failures of a critical function (e.g. unable to detect temperature differences) and
signal these situations according to Table 2.
4.3.3.2 Local self-test
The detector shall automatically test itself at least once every 24 h according to the requirements of
Tables 1 and 2. If normal operation of the detector is inhibited during a local self-test, the detector
inhibition time shall be limited to a maximum of 30 s in any period of 2 h.
4.3.3.3 Remote self-test
A detector shall process remote self-tests and generate signals or messages in accordance with
Tables 1 and 2 within 10 s of the remote self-test signal being received, and shall return to normal
operation within 30 s of the remote test signal being received.
4.4 Immunity to incorrect operation
The detector shall be considered to have sufficient immunity to incorrect operation if the following
requirements have been met. No intrusion signal or message shall be generated during the tests.
4.4.2 Immunity to air flow
The detector shall not generate any signal or message when air is blown over the face of the detector.
4.4.3 Immunity to visible and near infrared radiation
The detector shall not generate any signal or message when a car headlamp is swept across the front
window or lens through two panes of glass.
4.5 Tamper security
Tamper security requirements for each grade of detector are shown in Table 4.
4.5.2 Resistance to and detection of unauthorised access to components and means of
All components, means of adjustment and access to mounting screws, which, when interfered with,
could adversely affect the operation of the detector, shall be located within the detector housing. Such
access shall require the use of an appropriate tool and depending on the grade as specified in Table 4
shall generate a tamper signal or message before access can be gained.
It shall not be possible to gain such access without generating a tamper signal or message or causing
visible damage.
4.5.3 Detection of removal from the mounting surface
A tamper signal or message shall be generated if the detector is removed from its mounting surface, in
accordance with Table 4.
4.5.4 Resistance to, or detection of, re-orientation
After the torque given in Table 4 has been applied and removed from the detector it shall not have
rotated more than 5° from its original position. Alternatively, when the torque given in Table 4 is
applied, a tamper signal or message shall be generated if the detector rotates by more than 5°.
4.5.5 Immunity to magnetic field interference
It shall not be possible to inhibit any signals or messages with a magnet of grade dependence
according to Table 4. The magnet types shall be as described in Annex A.
4.5.6 Detection of masking
Means shall be provided to detect inhibition of the operation of the detector by masking according to
the requirements of Table 4.
The maximum response time for the masking detection device shall be 180 s. Masking shall be
signalled according to the requirements of Table 2. The signals or messages shall remain for at least
as long as the masking condition is present. A masking signal or message shall not be reset while the
masking condition is still present. Alternatively the masking signal or message shall be generated
again within 180 s of being reset if the masking condition is still present.
NOTE From a system design point of view it would be preferable for masked detectors to automatically reset
after the masking condition is removed.
No masking signal or message shall be generated by normal human movement according to Figure
C.6.
For detectors where detection of masking may be remotely disabled the detection of masking shall
operate when the I&HAS is unset; it is not required to operate when the I&HAS is set.
Table 4 — Tamper security requirements
Requirement Grade 1 Grade 2 Grade 3 Grade 4
Resistance to access to the inside of the
Detection of access to the inside of the
Removal from the mounting surface wired
Removal from the mounting surface
wirefree detectors
Resistance to, or detection of,
re-orientation - for detectors mounted on Not required Required Required Required
brackets only
Applied torque 2 Nm 5 Nm 10 Nm
Magnetic field immunity Not required Required Required Required
Magnet type defined in Annex A Type 1 Type 2 Type 2
Masking detec
EN 50131-6:2017(Main)
Alarm systems - Intrusion and hold-up systems - Part 6: Power supplies
SIST EN 50131-6:2018
This European Standard specifies the requirements, performance criteria and testing procedures for PS to be used as part of Intrusion and Hold up Alarm Systems. The PS will either be an integral part of an I&HAS component or stand-alone. The control functions of the PS may be incorporated as part of the PS device, or may be provided by another I&HAS component, e.g. a CIE. This European Standard is not applicable when the PS requirements for I&HAS components are included within the relevant product standard. The requirements correspond to each of the four security grades given in the European Standard EN 50131 1, Alarm Systems - Intrusion and Hold-Up Systems - Part 1: System requirements. Requirements are also given for four environmental classes covering applications in indoor and outdoor locations. This standard covers: a) mandatory functions which will be provided on all PS; and b) optional functions which may be provided. This European Standard does not deal with requirements for compliance with EC regulatory Directives, such as the EMC Directive, Low Voltage Directive, etc. except that it specifies the equipment operating conditions and reduced functional test for EMC susceptibility testing as required by EN 50130 4. Other functions associated with I&HAS not specified in this standard may be provided. Such functions will not affect the requirements of any mandatory or optional functions.
EN 50131-1:2006/A2:2017(Amendment)
Alarm systems - Intrusion and hold-up systems - Part 1: System requirements
SIST EN 50131-1:2007/A2:2017
Harmonise system requirements with requirements for system components specified in standard published since EN 50131-1:2006 was published.
EN 50131-5-3:2017(Main)
Alarm systems - Intrusion systems - Part 5-3: Requirements for interconnections equipment using radio frequency techniques
This European Standard applies to intrusion alarm equipment using radio frequency (RF) links and located on protected premises. It does not cover long-range radio transmissions. This European Standard defines the terms used in the field of intrusion alarm equipment using radio frequency links as well as the requirements relevant to the equipment.
EN 50131-2-4:2008/IS1:2014
Alarm systems - Intrusion and hold-up systems - Part 2-4: Requirements for combined passive infrared and microwave detectors
This standard is for combined passive infrared and microwave detectors installed in buildings and provides for security Grades 1 to 4 (see EN 50131-1), specific or non-specific wired or wire-free detectors, and uses environmental classes I to IV (see EN 50130-5). This standard does not include requirements for detectors intended for use outdoors. A detector shall fulfil all the requirements of the specified grade. Function additional to the mandatory functions specified in this standard may be included in the detector, providing they do not influence the correct operation of the mandatory functions. This European Standard does not apply to system interconnections.
CLC/TS 50131-11:2012/IS1:2014
Alarm systems - Intrusion and hold-up systems - Part 11: Hold-up devices
SIST-TS CLC/TS 50131-11:2012/IS1:2014
This Technical Specification is for dedicated hold-up devices in buildings, e.g. deliberately operated hold-up devices which can be triggered to create a hold-up alarm signal or message. It provides four security Grades 1-4 (see EN 50131-1), specific or non specific wired or wire-free hold-up devices and uses Environmental Classes I-IV (see EN 50130-5). This Technical Specification does not include requirements for hold-up devices intended for use outdoors, or for mobile hold-up devices or for devices with functions additional to hold-up facility. NOTE If a device provides functions additional to hold-up facility, it is recommended to function similar to the requirement described in this Technical Specification. Functions additional to the mandatory functions as specified in this Technical Specification may be included in the hold-up device, providing they do not adversely influence the correct operation of the mandatory functions. This Technical Specification does not apply to system interconnections.
CLC/TS 50131-11:2012(Main)
SIST-TS CLC/TS 50131-11:2012
EN 50131-1:2006/IS2:2010
SIST EN 50131-1:2007/IS2:2011
This European Standard specifies the requirements for Intrusion and Hold-up Alarm Systems installed in buildings using specific or non-specific wired interconnections or wire-free interconnections. These requirements also apply to the components of an I&HAS installed in a building which are normally mounted on the external structure of a building e.g. ancillary control equipment or warning devices. The standard does not include requirements for exterior I&HAS. This standard specifies performance requirements for installed I&HAS but does not include requirements for design, planning, installation, operation or maintenance. These requirements also apply to I&HAS sharing means of detection, triggering, interconnection, control, communication and power supplies with other applications. The functioning of an I&HAS shall not be adversely influenced by other applications. Requirements are specified for I&HAS components where the relevant environment is classified. This classification describes the environment in which an I&HAS component may be expected to function as designed. When the requirements of the four environmental classes are inadequate, due to the extreme conditions experienced in certain geographic locations, special national conditions are given in Annex A. General environmental requirements for I&HAS components are described in Clause 7. The requirements of this European Standard also apply to IAS and HAS when these systems are installed independently. When an I&HAS does not include functions relating to the detection of intruders, the requirements relating to intrusion detection do not apply. When an I&HAS does not include functions relating to hold-up, the requirements relating to hold-up do not apply. NOTE Unless otherwise stated the abbreviation I&HAS is intended to also mean IAS and HAS.
This European Standard applies to intrusion alarm equipment using radio frequency (RF) links and located on protected premises. It does not cover long range radio transmissions. This standard defines the terms used in the field of intrusion alarm equipment using radio frequency links as well as the requirements relevant to the equipment. It shall be used in conjunction with the other parts of the EN 50131 series that define the functional requirements of the equipment regardless of the type of interconnections used.
CLC/TS 50131-7:2010(Main)
Alarm systems - Intrusion and hold-up systems - Part 7: Application guidelines
SIST-TS CLC/TS 50131-7:2011
These application guidelines include guidance on the design, planning, operation, installation, commissioning and maintenance of I&HAS installed in buildings. Requirements for I&HAS are specified in EN 50131 1:2006. The recommendations of this Technical Specification (TS) also apply to IAS and HAS when these systems are installed independently. When an I&HAS does not include functions relating to the detection of intruders, the requirements relating to intrusion detection do not apply. When an I&HAS does not include functions relating to hold-up, the requirements relating to hold-up do not apply. NOTE Unless otherwise stated the abbreviation I&HAS is intended to also mean IAS and HAS. These application guidelines are intended to assist those responsible for establishing an I&HAS to ascertain the appropriate design of I&HAS both in terms of the extent of the supervision required and in determining the grade of system performance necessary to provide the degree of supervision considered appropriate. These application guidelines are also intended to assist those responsible for selecting equipment appropriate to both the level of performance required and the environmental conditions in which the equipment will be required to operate. These application guidelines are relevant to all classes and grades of I&HAS of any size and complexity. These application guidelines should be read in conjunction with EN 50131 1:2006. NOTE It has been assumed in the drafting of these application guidelines that the execution of its provisions will be entrusted to appropriately qualified and experienced persons. However the guidance is also appropriate to other persons who may be required to purchase or use an I&HAS.


The Curia of Hungary, in order to harmonise the administration of justice within the Hungarian judiciary, operates jurisprudence-analysing working groups which have the duty to analyse practices in the administration of justice and to prepare non-binding summary opinions on the result of their investigation. The topics to be investigated are determined annually by the President of the Curia.
the assessment of unfair unilateral modifications of the general terms and conditions applied by financial institutions in loan contracts (summary report published on 12 December 2012).


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Inhibitory effect of a hydrophilic αtocopherol analogue, MDL 74, 405, on generation of free radicals in stunned myocardium in dogs
Xian Liang Tang, Paul B. Mccay, Jian Zhong Sun, Craig J. Hartley, Margo Schleman, Roberto Bolli
A previous study has demonstrated that the hydrophilic (αtocopherol analogue, MDL 74, 405, attenuates postischemic myocardial dysfunction ("stunning" in dogs. The present study was undertaken to determine directly whether the salutary effect of this drug on myocardial stunning results from inhibition of the generation of oxygen-derived free radicals. Open-chest dogs undergoing a 15-min coronary artery occlusion and 3 h of reperfusion received an intravenous infusion of either saline (controls, n = 7) or MDL 74, 405 (n = 6) starting 30 min before coronary occlusion and ending 60 min after reflow at a dose of 0.3 mg/kg/h. To measure free radical production, all dogs received an intravenous infusion of the spin trap αphenyl N-tert-butyl nitrone (PBN) and local coronary venous plasma was analyzed by electron paramagnetic resonance (EPR). In control dogs, the myocardial production of PBN adducts exhibited an initial burst immediately after the onset of reflow and remained elevated until 10 min after reperfusion. Dogs treated with MDL 74, 405 demonstrated a marked decrease in PBN adduct production. This effect of MDL 74, 405 could not be attributed to nonspecific factors such as differences in ischemic zone size, collateral flow, arterial pressure, heart rate, coronary flow or other hemodynamic variables. These results demonstrate that the hydrophilic vitamin E analogue, MDL 74, 405, inhibits free radical generation after myocardial ischemia-reperfusion in vivo. This finding provides direct evidence that the salutary effects of MDL 74, 405 on myocardial stunning are due to attenuation of oxidative stress.
Free Radical Research
Myocardial Stunning
Coronary Occlusion
Myocardial Reperfusion
Electron Spin Resonance Spectroscopy
Paramagnetic resonance
MDL 73404
Free radical generation
Hydrophilic αtocopherol analogue
Open-chest dogs
Tang, X. L., Mccay, P. B., Sun, J. Z., Hartley, C. J., Schleman, M., & Bolli, R. (1995). Inhibitory effect of a hydrophilic αtocopherol analogue, MDL 74, 405, on generation of free radicals in stunned myocardium in dogs. Free Radical Research, 22(4), 293-302. https://doi.org/10.3109/10715769509145641
Inhibitory effect of a hydrophilic αtocopherol analogue, MDL 74, 405, on generation of free radicals in stunned myocardium in dogs. / Tang, Xian Liang; Mccay, Paul B.; Sun, Jian Zhong; Hartley, Craig J.; Schleman, Margo; Bolli, Roberto.
In: Free Radical Research, Vol. 22, No. 4, 1995, p. 293-302.
Tang, XL, Mccay, PB, Sun, JZ, Hartley, CJ, Schleman, M & Bolli, R 1995, 'Inhibitory effect of a hydrophilic αtocopherol analogue, MDL 74, 405, on generation of free radicals in stunned myocardium in dogs', Free Radical Research, vol. 22, no. 4, pp. 293-302. https://doi.org/10.3109/10715769509145641
Tang XL, Mccay PB, Sun JZ, Hartley CJ, Schleman M, Bolli R. Inhibitory effect of a hydrophilic αtocopherol analogue, MDL 74, 405, on generation of free radicals in stunned myocardium in dogs. Free Radical Research. 1995;22(4):293-302. https://doi.org/10.3109/10715769509145641
Tang, Xian Liang ; Mccay, Paul B. ; Sun, Jian Zhong ; Hartley, Craig J. ; Schleman, Margo ; Bolli, Roberto. / Inhibitory effect of a hydrophilic αtocopherol analogue, MDL 74, 405, on generation of free radicals in stunned myocardium in dogs. In: Free Radical Research. 1995 ; Vol. 22, No. 4. pp. 293-302.
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title = "Inhibitory effect of a hydrophilic αtocopherol analogue, MDL 74, 405, on generation of free radicals in stunned myocardium in dogs",
abstract = "A previous study has demonstrated that the hydrophilic (αtocopherol analogue, MDL 74, 405, attenuates postischemic myocardial dysfunction ({"}stunning{"} in dogs. The present study was undertaken to determine directly whether the salutary effect of this drug on myocardial stunning results from inhibition of the generation of oxygen-derived free radicals. Open-chest dogs undergoing a 15-min coronary artery occlusion and 3 h of reperfusion received an intravenous infusion of either saline (controls, n = 7) or MDL 74, 405 (n = 6) starting 30 min before coronary occlusion and ending 60 min after reflow at a dose of 0.3 mg/kg/h. To measure free radical production, all dogs received an intravenous infusion of the spin trap αphenyl N-tert-butyl nitrone (PBN) and local coronary venous plasma was analyzed by electron paramagnetic resonance (EPR). In control dogs, the myocardial production of PBN adducts exhibited an initial burst immediately after the onset of reflow and remained elevated until 10 min after reperfusion. Dogs treated with MDL 74, 405 demonstrated a marked decrease in PBN adduct production. This effect of MDL 74, 405 could not be attributed to nonspecific factors such as differences in ischemic zone size, collateral flow, arterial pressure, heart rate, coronary flow or other hemodynamic variables. These results demonstrate that the hydrophilic vitamin E analogue, MDL 74, 405, inhibits free radical generation after myocardial ischemia-reperfusion in vivo. This finding provides direct evidence that the salutary effects of MDL 74, 405 on myocardial stunning are due to attenuation of oxidative stress.",
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author = "Tang, {Xian Liang} and Mccay, {Paul B.} and Sun, {Jian Zhong} and Hartley, {Craig J.} and Margo Schleman and Roberto Bolli",
doi = "10.3109/10715769509145641",
journal = "Free Radical Research",
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T1 - Inhibitory effect of a hydrophilic αtocopherol analogue, MDL 74, 405, on generation of free radicals in stunned myocardium in dogs
AU - Tang, Xian Liang
AU - Mccay, Paul B.
AU - Sun, Jian Zhong
AU - Hartley, Craig J.
AU - Schleman, Margo
N2 - A previous study has demonstrated that the hydrophilic (αtocopherol analogue, MDL 74, 405, attenuates postischemic myocardial dysfunction ("stunning" in dogs. The present study was undertaken to determine directly whether the salutary effect of this drug on myocardial stunning results from inhibition of the generation of oxygen-derived free radicals. Open-chest dogs undergoing a 15-min coronary artery occlusion and 3 h of reperfusion received an intravenous infusion of either saline (controls, n = 7) or MDL 74, 405 (n = 6) starting 30 min before coronary occlusion and ending 60 min after reflow at a dose of 0.3 mg/kg/h. To measure free radical production, all dogs received an intravenous infusion of the spin trap αphenyl N-tert-butyl nitrone (PBN) and local coronary venous plasma was analyzed by electron paramagnetic resonance (EPR). In control dogs, the myocardial production of PBN adducts exhibited an initial burst immediately after the onset of reflow and remained elevated until 10 min after reperfusion. Dogs treated with MDL 74, 405 demonstrated a marked decrease in PBN adduct production. This effect of MDL 74, 405 could not be attributed to nonspecific factors such as differences in ischemic zone size, collateral flow, arterial pressure, heart rate, coronary flow or other hemodynamic variables. These results demonstrate that the hydrophilic vitamin E analogue, MDL 74, 405, inhibits free radical generation after myocardial ischemia-reperfusion in vivo. This finding provides direct evidence that the salutary effects of MDL 74, 405 on myocardial stunning are due to attenuation of oxidative stress.
AB - A previous study has demonstrated that the hydrophilic (αtocopherol analogue, MDL 74, 405, attenuates postischemic myocardial dysfunction ("stunning" in dogs. The present study was undertaken to determine directly whether the salutary effect of this drug on myocardial stunning results from inhibition of the generation of oxygen-derived free radicals. Open-chest dogs undergoing a 15-min coronary artery occlusion and 3 h of reperfusion received an intravenous infusion of either saline (controls, n = 7) or MDL 74, 405 (n = 6) starting 30 min before coronary occlusion and ending 60 min after reflow at a dose of 0.3 mg/kg/h. To measure free radical production, all dogs received an intravenous infusion of the spin trap αphenyl N-tert-butyl nitrone (PBN) and local coronary venous plasma was analyzed by electron paramagnetic resonance (EPR). In control dogs, the myocardial production of PBN adducts exhibited an initial burst immediately after the onset of reflow and remained elevated until 10 min after reperfusion. Dogs treated with MDL 74, 405 demonstrated a marked decrease in PBN adduct production. This effect of MDL 74, 405 could not be attributed to nonspecific factors such as differences in ischemic zone size, collateral flow, arterial pressure, heart rate, coronary flow or other hemodynamic variables. These results demonstrate that the hydrophilic vitamin E analogue, MDL 74, 405, inhibits free radical generation after myocardial ischemia-reperfusion in vivo. This finding provides direct evidence that the salutary effects of MDL 74, 405 on myocardial stunning are due to attenuation of oxidative stress.
KW - Free radical generation
KW - Hydrophilic αtocopherol analogue
KW - Myocardial stunning
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JO - Free Radical Research
JF - Free Radical Research

redpajama_set_name: RedPajamaCommonCrawl


Wheel users should be able to have a "more intuitive" driving experience in Forza Motorsport 7, courtesy of the game's overhauled force feedback system.
Added in this month's content update, the new setup is claimed to be a a "full physically based system" that allows players to have a "solid feeling of connection to the road".
Developer Turn 10 Studios says the revised force feedback system uses data from the game's suspension and tyre simulation models , which now allows aspects such as tyre load be transmitted to the player.
As the force feedback completely replaces the old system, wheel users will have tuning value settings reset to their default settings upon installing the update. Once the game is updated, players can adjust the values to their preference.
The new force feedback system is one part of a comprehensive content update for Forza Motorsport 7. Menu and HUD icons have been given a cosmetic overhaul, and transition times for "certain menu items" have also been improved.
Following on from earlier months, the December content update also adds a 'Spotlight' car to Forza Motorsport 7, in the form of the BMW GTE endurance racing car (pictured).
A 'Forza Edition' version of the 1991 BMW M3 has also been added to the game as a prize for a themed Rivals event. The TVR Cerbera Speed 12 has been introduced to Forza Motorsport 7 too, though it's unknown at time of writing how or when players will be able to acquire it.
God knows it needs it, I don't have my wheel set up with the Xbox at the moment so we'll have to wait and see the community feedback.


We look forward to enrolling your friends, family, neighbors, and coworkers!
Now Hiring Qualified, Compassionate, Charismatic Individuals to Grow with the Primrose Family!
To encourage language development in babies of all ages, Primrose Schools embeds American Sign Language into our daily curriculum and activities in our Infant and Toddler classrooms.


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Chase Lauer
Matt Stell Trades Basketball Court for Billboard Chart
CMT Hot 20 Talks to "Prayed for You" Singer
by CMT.com Staff 11/1/2019
Matt Stell scored a slam dunk this year with "Prayed for You," a love song that spent two weeks at No. 1 at Billboard's country airplay chart. The Arkansas native spoke with CMT Hot 20 Countdown correspondent Ashley ShahAhmadi about his breakout success.
Editor's Note: Matt Stell appears this weekend on CMT Hot 20 Countdown, which airs 9/8c on Saturday and Sunday mornings.
CMT: You had an unconventional start, I guess you could say, to get to where you are. Can you explain how you got to Nashville?
M: Yeah. I feel like everybody's story is a little bit different, but mine's definitely got some twists and turns. It really started when I was playing basketball in college [at Drury College in Springfield, Missouri]. As you probably know, it's a winter sport. So you're on campus the whole winter break. I was tired of playing PlayStation with my teammates.
So my mom got me this guitar when I was 12 and I asked her to bring it up to a home game. I sat in front of my computer screen in the dorm room, learning how to play off of tab websites, old country songs and blues songs and whatever. Southern rock, bluegrass, whatever you play on acoustic guitar. By the time I could play four chords, I started writing songs and eventually that got us here.
Embedded from www.youtube.com.
You played basketball when you were younger, then you got a scholarship to play?
I did. My first dream was to play basketball. Of course, every kid wants to be in the league. I remember very distinctly my between my freshman and sophomore year in college, I was playing a Pro-Am week in Little Rock. I played against Joe Johnson and he euthanized that dream for me. I knew where the ceiling was for me. It was not playing NBA basketball, but I still love it. I still love to play. But the transition into music was a great one for me, for sure.
You picked up the guitar in college, but then you also did premed. You got accepted to Harvard. Can you talk about how that came about?
Yeah, that's another chapter. I moved to Nashville to write songs. My plan was I wanted to write songs for other artists and make my own little weird records. So I moved here and the wheels turned slow and you never know where you are in the process. I got to thinking after a medical mission trip that I took with my fiancée that maybe I was going to do something else. Maybe I was going to be a physician.
So I applied to a pre-medical program in the Northeast and got in. I was probably a couple weeks away from moving up there before I got the opportunity to write songs here in Nashville. And that turned into releasing some music and that turned into writing "Prayed for You" and got the ball rolling there.
Can you think back to how that felt, making that decision, and how timing is everything?
It really is. I had a great opportunity to follow that passion of being a doctor. But to me, it was always going to be plan B because I knew what I wanted to do. As soon as I got the opportunity, it really wasn't a decision that I had to make because I would have felt like I was quitting music to do something else, as opposed to finishing what I started if I didn't take the opportunity to write songs here in town. So that was my thought process there. That was what kept me in town. With a lot of luck and a lot of great people around me, we feel like I made the right decision.
When did you realize that you loved music?
Looking back, I guess I always had a passion for music. I just assumed everybody loved music the way that I did. I found out by listening and playing music, and how much it affected me, that this is something I wanted to be a part of. So I started playing in college and then I started playing out in bars during the season. One of the bars ran a radio ad for the show and used my name. One of the boosters called my coach and basically said, "Hey, did you know Matt was doing this?"
I was told I would not be doing that anymore, which in hindsight, I understand. But I was too far gone at that point. I had to do it. So I started playing under a pseudonym, Paul Wayne Walker, which was an amalgam of a singer-songwriter I liked and my mom's maiden name. We did that for a while until we could play it in the sunlight.
Would you say basketball has helped you in music?
A hundred percent. Chasing a dream and knowing the work it takes and knowing how precious opportunities are when you get them — you've got to really try to capitalize on those. Also you're part of a team working together for a goal. Understanding roles. Understanding how important getting along and respect is for people. Dealing with people. I really see everything you do in athletic lens because of being around it so much.
What was it about "Prayed for You" that resonates with people?
That's a great question. We sat down to write a song about a character that's a lot like me, that is a lot luckier than he deserves in a lot of different ways — in relationships, but also I get to live a dream, basically. The song is really about persevering long enough for good things to happen.
Speaking for me, what catches me about the song is, I don't know that I feel like I necessarily deserve all the good fortune that I've had, especially recently. It's the idea of persevering and having faith that good things can maybe happen if you put the work in. It seems to be something that people can identify with.
Do you remember the first time you heard it on the radio?
Yeah. The first time I heard it, I'd heard it on the radio through social media somebody posted, or on the radio here in town, I'd heard it. But the time that really sticks out to me was earlier this year. I was in Las Vegas. I had a couple of days off on the West Coast, so I went to Las Vegas to play golf and go to NBA Summer League. I got in an Uber and the song was playing. I sat next to a lady and I said, "Ma'am, that's me." She didn't believe me initially. I was like, "No, really, that's me on the radio!" That's the first time this has happened.
What's that like when you see people singing the lyrics back to you?
It's incredible. It really is. To go places I've never been before and see people singing the songs or seeing the backs of iPhones when people are up their taping the set is pretty surreal. There's a lot of times I can hear the people singing it back to me on stage. I mean, it's why you do it. Nothing makes me feel the way my favorite songs do. The fact that this song is resonating with people the way it is, it's the reason I wanted to do music in the first place. So that's really the moment. That's the payoff right there.
Tags: Matt Stell


Tanzanite (Mrq) Floral Lever Back Earrings in Platinum Overlay Sterling Silver 2.00 Ct.
An impressively designed and attention-grabbing pair of earrings, this duo features a special design inspired by flowers. Additionally, the dangling earrings have been fashioned from Platinum Overlay Sterling Silver and decked with 2 ct. Tanzanite. The well-matched stones contribute in creating a magical gem aura. Tanzanite is also said to be effective in overcoming experiences of fear and crisis by experts.


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How Does the Past Play a Role in Your Mental Healing?
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Is Trauma Hindering Your Relationships?
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Is Your Attachment Style Damaging Your Love Life?
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What's a Mental Breakdown? Stress in Our Modern World
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Men's Mental Health: Getting Honest with Emotions
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We'd all like to think that stigmas around men's mental health and emotions are shifting for the better. Continually, however, we are reminded how much further we have to go. In a letter to the editor published in Ohio in July 2021, a 12-year-old girl called out an announcer at a July 4th parade for …
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Is COVID-19 Causing Collective Stress?
October 14, 2021 October 14, 2021 / Mental Health, mental health programs / By Promises Behavioral Health Editorial Team
How did COVID impact your life? As we've begun to explore the world again (or even the grocery store) without a mask, how is your mental health? There's a lot of talk right now about collective stress and collective trauma. It's important, however, to understand the difference between trauma and stress before we diagnose the …
Is COVID-19 Causing Collective Stress? Read More »
Can Childhood Trauma Lead to Codependency and PTSD?
September 28, 2021 September 28, 2021 / Dual Diagnosis Treatment, Mental Health, Mental Health Treatment / By Promises Behavioral Health Editorial Team
Codependency and PTSD have a sordid relationship, usually trailing back to childhood trauma. There are plenty of stereotypes when it comes to childhood trauma. When you hear a child suffered trauma, what comes to mind? Terrible unsanitary conditions and horrific physical abuse? The truth is, sometimes trauma is the result of a family unable to …
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Letting Go of the Past: How to Heal Guilt in Sobriety
September 15, 2021 September 15, 2021 / Addiction Recovery, Addiction Treatment, Blog, Help Blog / By Promises Behavioral Health Editorial Team
Guilt in sobriety threatens to derail recovery when mishandled. Often, it's shame, guilt's evil twin, which takes recovering folks down. And guilt can morph into shame if you aren't careful. According to Brené Brown, a renowned shame and vulnerability researcher, the difference between guilt and shame is simple in theory. "Shame is a focus on …
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How Are We Handling Our Collective Grief in 2021?
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Over 625,000 people died due to COVID-19 in the United States, according to the Centers for Disease Control and Prevention (CDC). Even if you didn't lose a loved one, there's collective grief we've all experienced because of the devastating and mind-boggling loss of life. The loss of life, however, doesn't begin to factor in other …
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Building Confidence in Addiction and Mental Health Treatment
August 17, 2021 August 17, 2021 / Addiction Recovery, Mental Health, Recovery / By Promises Behavioral Health Editorial Team
Treatment Helps Inspire Recovery Living with a substance use or a mental health disorder often undermines confidence. Addiction or mental health challenges can seem to define you entirely. After all, it seems to touch every area of your life, and you may feel the effects of stigmatization from other people. Perhaps that stigma has made …
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