Ashcroft A Series - N4 Pressure Switch - Manual (Page 10)

A-S ERIES S WITCH S AFETY M ANUAL
I&M009-10210
REV A - 4/19/2013
# Activity Result
Verified
By Date
Verification and Testing
Electrical connections verified and tested
Pneumatic connection verified and tested
SIS logic solver valve actuation test verified
Safety loop function verified
Safety loop timing measured
Bypass function tested
Verification and test results formally reviewed
and suitability formally assessed
Maintenance
Tubing blockage / partial blockage tested
Safety loop function tested