Display Screens; Initial Power Up; Filling The Purge-Air Bag; Data Display Screen - Bacharach PGM-IR Operation And Maintenance

Operation

2.9 Display Screens

2.9.1 Initial Power Up

When the monitor is first powered up, all front panel lights turn ON and a
splash screen appears showing the monitor's current firmware revision level.
After a brief moment the Warm Up screen is displayed along with the front
panel ON light (green) blinking.
The monitor requires 5 minutes to warm up; after which, the ON light glows steadily and the Data Display screen
is displayed.
If the monitor is turned OFF and then turned back ON, the latter warm-up time may be less than 5 minutes
depending on the temperature of the IR detector.

2.9.2 Filling the Purge-Air Bag

IMPORTANT:
temperature and humidity as the area being checked for gas. DO NOT fill the bag in an area that is
contaminated with gas.
The following message is displayed and an audible alarm is sounded when the
monitor's purge-air bag is empty. This message appears immediately after
warm-up, and approximately every 40 minutes during normal operation.
Press the ENTER button to start the refill process.
After the air bag has been filled, the monitor starts or resumes normal operation by displaying the Data Display
screen.

2.9.3 Data Display Screen

During normal operation, the Data Display screen shows when the monitor is performing the following two
functions.
MEASURE indicates that the monitor is actively measuring gas. In the screen
shown to the right, 50 ppm of CO
peak measurement of 70 ppm has occurred sometime in the past.
To reset the peak value to zero, press the ENTER button.
10
Fill the purge-air bag in a clean, fresh-air environment that is at the same
gas is currently being detected, and that a
2
CO Monitor
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Instruction 3015-9000 Rev 2