Specifications

CO
2
Analyzer 2810/2815/2820
Instruction 19-9222
5
2.8 Battery Charge Display
The battery’s remaining charge is displayed by pressing the f
2
button
once. A bar graph in the lower part of this screen shows an approxi-
mation of the battery’s remaining charge. As the charge reduces, the
bar graph decreases in size. Typical operating time from a full charge is
7 hours with the pump running, and 10 hours with the pump off.
2.9 Backlight
To view the LCD in poor ambient lighting conditions, turn on the dis-
play’s backlight by pressing the f
3
button once (with the analyzer on).
The backlight stays on for 5 seconds and then automatically turns off.
2.10 Audible Gas-Level Tone (2815/2820)
An audible tone, which will increase in pitch with increasing CO
2
levels,
is activated by pressing and holding down the f
3
button for 3 seconds.
The tone is turned off by again pressing and holding down the f
3
button
for 3 seconds.
2.11 Fault Condition Warning
The analyzer is capable of alerting the operator of an internal fault
condition (i.e., a sensor failure or blockage in the infrared path). If a fault
occurs, the analyzer’s beeper will sound continuously, and the following
message is displayed until the analyzer is turned off.
If the fault warning is displayed at any time, then the analyzer must be
returned to Bacharach for servicing.
FAULT
= represents low charge= represents full charge
Battery
Level