User manual

SOP-RTS-002-0008-v01 Title: Operation and Maintenance of Bacharach CO2
Analyzer
Print ID Number:
Original Effective Date: 10/5/2011
Current Version Effective Date:
Page 3 of 4
Form rev. 2/18/2011
8.6.4. “BattLow” message indicates the analyzer must be recharged using the
battery charger.
8.6.4.1. Switch the analyzer off.
8.6.4.1.1. Plug the supplied charger into the appropriate AC wall
socket.
8.6.4.1.2. Plug the charger’s output connector into the analyzer’s
charging socket.
8.6.4.2. Charging time is ~ 2 hrs at 22ºC.
8.6.4.3. The word “charging” appears while the battery is being
charged. The word “charged” appears when the battery is
fully recharged and the analyzer will also emit a beeping
tone for 30 secs.
8.6.4.4. Unplug charger and remove its output connector from the
analyzer.
8.7. Calibration
8.7.1. The analyzer can be sent to a vendor for calibration OR
8.7.2. The RTS tech may follow the air calibration/ N2 calibration listed below.
This calibration is recommended at the beginning of each work day or
each time the instrument is switched OFF/ON.
8.7.3. These procedures assume you are using the Bacharach calibration kit.
8.7.4. N
2
Calibration
8.7.3.1 100% N2 or fresh ambient air can be used
8.7.3.2 Switch the analyzer on; allow analyzer to sample fresh air
for 5 mins with its internal pump turned OFF.
8.7.3.3 Press and hold down the f2 button until the USER CAL
screen is displayed.
8.7.3.4 Wait until the analyzer automatically switches to its N
2
/Gas
screen.
8.7.3.5 Attach a 100% N
2
cylinder to the inlet of the analyzer then
adjust the regulator attached to the gas cylinder for an
outlet pressure of 2 psi.
8.7.3.6 If N
2
is unavailable, turn ON the analyzer’s pump and allow
it to draw in fresh air for at least 30 sec before proceeding.
8.7.3.7 Press the f1 button to zero the analyzer using the 100% N
2
or fresh air.
8.7.3.8 If the zero procedure was successful, the display will show
OK; if unsuccessful, the message will read failed.
8.7.3.9 If this happens, retry the zero procedure, ensuring the
analyzer is only exposed to either 100% N
2
or fresh air.
8.7.3.10 If still unsuccessful, the analyzer must be sent out for
repair.
8.7.4 CO
2
calibration
8.7.4.1 Ensure pump is off
8.7.4.2 Press and hold down the f2 button until User Cal screen is
displayed.