TE-WILBUR OPERATIONS MANUAL REV 002.15 06/11/2015
Tisch Environmental 1-TSP-AND-PM10 firstname.lastname@example.org www.tisch-env.com Page 97 of 183
Leak checks can be performed by following these keystrokes:
NOTE: If the pressure sensor is failed, leak checks will not be available and
the following box will appear, disabling the leak check feature.
11.2 External Leak Check
To perform an external leak check, perform the following steps:
1. Insert a clean filter (designated the “leak check filter”) into a filter
cassette with a screen and insert the cassette into the sampler filter
NOTE: Leak check filters should never be used for subsequent
sampling. The same filter may be used for the leak check that
was used for the flow rate verification check.