PGM-IR CO Monitor Instruction 3015-9000 2

Operation CO

2

Monitor

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.

WARM UP

After a brief moment the Warm Up screen is displayed along with the front panel ON light (green) blinking.

FIRMWARE

VERSION x.xx

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: Fill the purge-air bag in a clean, fresh-air environment that is at the same 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.

PURGE AIR EMPTY

<ENTER> TO FILL

Press the ENTER button to start the refill process.

RECHARGING PURGE

After the air bag has been filled, the monitor starts or resumes normal operation by displaying the Data Display screen.

AIR...

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

2

gas is currently being detected, and that a peak measurement of 70 ppm has occurred sometime in the past.

To reset the peak value to zero, press the ENTER button.

MEASURE 00070pk

50ppm CO2

PURGE

10 Instruction 3015-9000 Rev 4