The following operations remain the same for the H 2 S, CO, and
NO 2 sensors:
•
sensor missing alarm
•
sensor setup
•
calibration
•
TWA
•
STEL.
NO 2 , H 2 S or any toxic sensor cannot be interchanged to a
different location within the instrument; otherwise, improper
operation will result.
The NO 2 Sensor:
•
must be placed in the black sensor holder
•
gasket is also black.
Figure 2-5. Instrument in NO 2 Gas Alarm (NO 2 Versions Only)
2-10
" CAUTION