INFICON 2020ComboPRO Portable Photoionization Detector - Manual (Page 79)

72 ISP-074-575-P1D 72
Operational Check List
Before beginning field work, set up and calibrate the 2020ComboPRO for your
particular application.
To ensure the instrument is in working order before heading into the field:
1. Ensure the battery pack is fully charged. If you are unsure about the
status of the battery, replace the battery pack with one that is fully
charged. See battery charging on page 39.
2. After calibration is complete, sample the calibration gas and the bag of
zero air to ensure the 2020ComboPRO has been calibrated correctly.
3. Select the correct operating mode. See Section regarding Operation
Modes page 50.