Specifications

CO
2
Analyzer 2825/2830/2835
12 Instruction 19-9320
Release the f
2
button and perform an air calibration as described in
Section 3.7
WARNING! Failure to perform an air calibration after reset-
ting the analyzer to its factory settings may cause incorrect
gas readings to be displayed.
3.6 Battery Charging
When the ‘BattLow’ message is displayed (refer to Section 2.9), the ana-
lyzer must be recharged using the supplied battery charger.
Important! The battery has a long shelf life, but it is recom-
mended that the battery be recharged once a month if
left unused. Batteries that have not been charged for several
months should be given at least two charge/discharge cycles
before using the analyzer.
As with all rechargeable batteries, there are guidelines that should be
observed: The battery should normally be charged at room temperature.
Charging at temperatures below 54°F (12°C) should be avoided since this
may cause a false indication of when the battery is charged, and could
also damage the battery.
Before beginning the charging process, rst ensure that the analyzer is
switched OFF. Next, plug the supplied charger into the appropriate AC
wall socket (an optional 12 VDC vehicle charger is also available). Then
plug the charger’s output connector into the analyzer’s charging socket
(Figure 1, Item H).
The word ‘CHARGING’ appears while the battery is being charged.
Charging time is approximately 2 hours.
Note: If the battery is deeply discharged, the display will
remain blank for a few minutes before the battery begins
charging.
Once the battery is fully recharged, the analyzer will emit a beeping tone
for 30 seconds and display the word ‘CHARGED’. At this time unplug
the charger and remove its output connector from the analyzer.
CHARGING
>>>>>>>>
CHARGED