Sliding-Jaw Callipers Extension of concept of measuring with Show 12 and display different sliding jaw PowerPoint slides 12 & 13 Callipers- types (dial, digital, vernier), Callipers. resolution and accuracy, and care of Emphasise the improved accuracy of these types, and Learner workbook pp. 20 instruments. the need for greater care in using them. Versatility and applications Discuss care requirements, and demonstrate their versatility, measuring internal / external lengths, diameters, heights and depths. Dial type Callipers Demonstrate adjusting a sliding-jaw calliper for PowerPoint slides 14 & 15 correct Digital Callipers Learner workbook pp. 21-23 “feel”. Show how a dial-type calliper is read, and demonstrate how to zero a digital calliper or switch from metric to imperial. Vernier Calliper - of the calliper, Explain the main of a vernier calliper using slide PowerPoint slide 16 resolution / accuracy No. 16 or illustration in booklet. Learner workbook pp. 24-28 Point out the resolution of the instrument and the PowerPoint slides 17 & 18 limits of its accuracy. Use slide No.18 to illustrate a typical measurement. Measuring using the vernier Explain how to interpret the main and vernier scales in Reading the vernier measurements order to arrive at the final measurement. Care of Callipers Suitable components Learner workbook pp. 30-40 Individual student activity - complete Activities 2, 3 Workshop, activity measuring Activity 2,3 and 4 and 4. components and recording results Monitor student progress. Assess level of knowledge through inspection of Review vernier Callipers answers / oral questioning / class discussion. Micrometers Types of micrometers, application, parts, Describe the function, types and typical applications PowerPoint slides 19 & 21 reading micrometers. for micrometers.
Sliding-Jaw Callipers Activity 2,3 and 4 Extension of concept of measuring with Callipers- types (dial, digital, vernier), resolution and accuracy, and care of instruments. Versatility and applications Show 12 and display different sliding jaw Callipers. Emphasise the improved accuracy of these types, and the need for greater care in using them. Discuss care requirements, and demonstrate their versatility, measuring internal / external lengths, diameters, heights and depths. PowerPoint slides 12 & 13 Learner workbook pp. 20 Dial type Callipers Digital Callipers Demonstrate adjusting a sliding-jaw calliper for correct “feel”. Show how a dial-type calliper is read, and demonstrate how to zero a digital calliper or switch from metric to imperial. PowerPoint slides 14 & 15 Learner workbook pp. 21-23 Vernier Calliper - of the calliper, resolution / accuracy Measuring using the vernier Reading the vernier measurements Care of Callipers Workshop, activity measuring components and recording results Review vernier Callipers Explain the main of a vernier calliper using slide No. 16 or illustration in booklet. Point out the resolution of the instrument and the limits of its accuracy. Use slide No.18 to illustrate a typical measurement. Explain how to interpret the main and vernier scales in order to arrive at the final measurement. Individual student activity - complete Activities 2, 3 and 4. Monitor student progress. Assess level of knowledge through inspection of answers / oral questioning / class discussion. PowerPoint slide 16 Learner workbook pp. 24-28 PowerPoint slides 17 & 18 Suitable components Learner workbook pp. 30-40 Micrometers Types of micrometers, application, parts, reading micrometers. Describe the function, types and typical applications for micrometers. PowerPoint slides 19 & 21
AURT225667A_TG_parts_1&2_Word.docx