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.
MAGNEHELIC Â® INSTALLATION 5. To zero the gage after installation Set the indicating pointer exactly on thezero mark, using the external zero adjustscrew on the cover at the bottom. Note thatthe zero check or adjustment can only bemade with the high and low pressure tapsboth open to atmosphere.peration Positive Pressure:Connect tubing fromsource of pressure to either of the two highpressure ports. Plug the port not used. Ventone or both low pressure ports to atmos-phere.Negative Pressure: Connect tubing fromsource of vacuum or negative pressure toeither of the two low pressure ports.