Chemical pollution happens when certain compounds are improperly disposed of. This can affect the environment by disrupting the processes of the ecosystem. Chemical pollution happens when certain compounds are improperly disposed of. This can affect the environment by disrupting the processes of the ecosystem.
Options + NIST Calibration Certificate Order Code: /C - NIST (National Institute of Standards and Technology) Certification of Calibration states that the pressure gauge was tested at multiple test points and is within its stated tolerance of accuracy. Gauge is shipped with a sticker on the side of the gauge noting the certification number and date, and NIST certificate. Dual Scale Dials US Gauge offers most pressure ranges in dual scale, such as psi & kPa, psi & BAR, psi & kg/cm2, or single scale metric such as kPa, kg/cm2, or BAR.
Nitrogen Purging Regulator 500 PSI. Nitrogen regulator and flowmeter in one; Purge, Braze, and Pressure Test with ONE unit. All settings are PRESET (Purge, Braze, Test) 2 models available: - 250 PSI Test Pressure (VN-250) - 500 PSI Test Pressure (VN-500) No tools necessary to install; Easy to read cylinder content gauge; 1 year warranty; Proudly made in the USA