INFICON 2020ComboPRO Portable Photoionization Detector - Manual (Page 99)

92 ISP-074-575-P1D 92
Instrument
over range High concentrations of
gases will saturate the
detector and electronics. Wait until the display returns
to normal. PIDs are designed
to detect relatively low levels
of gases.
The detector has become
saturated. Move the 2020ComboPRO to
a location where it can sample
clean air. Sample clean air
until the readings stabilize at a
low level.
Detector has been short-
circuited by foreign matter
in the cell. Contact INFICON.