Sampling with a DDL CIS Hygrometer & Bottled Gas Dryer Application Note
Hygrometer Pre-Sample Validation Test on “Zero” Gas On receiving the analyser a dry gas check should be performed to confirm the “zero” reading of the sensor prior to commencement of testing. a) Connect a regulated low flow of nitrogen or (oil-free) instrument air to the inlet port of the MCM Bottled Gas Dryer (BGD) and ...