Specifications
Instruction 19-9220
CO
2
Monitor 2800
2.0 OPERATION
2.1 Reading Mode
When the instrument is switched on, there will be a 20 second (approxi-
mately) warm up time before the CO
2
level present in the atmosphere
surrounding the user is displayed. The ON/OFF button should be pressed
quickly when switching the unit on and held down for approximately 2
seconds when switching the unit off.
CO2 PPM CO2
MONITOR 300
Whe the uit has bee tured o, a “codece bee” will soud for
0.25 seconds every 30 seconds. This should NOT be interpreted as an
alarm condition. The unit has two preset alarm levels which are normal-
ly set to indicate the presence of Carbon Dioxide in concentrations above
5,000 ppm or 10,000 ppm (factory preset levels). The levels can be factory
set at customer secied levels, or ca be reset usig the BACH-COM
Software (See Section 4.1).
When the CO
2
level rises above the low alarm level:
• The dislay will show the cocetratio ad ash oce er secod.
• The Alarm LEDs will ash oce er secod.
• The beeper will sound intermittently once per second.
When the CO
2
level rises above the high alarm level:
• The dislay will show the cocetratio ad ash oce er secod.
• The Alarm LEDs will be lit continuously.
• The beeper will sound continuously.
3