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Oxygen Monitor System
4. (B) Disconnect the zero gas from the sensor.
5. (A) If necessary, proceed to the previous or next procedure. Otherwise, press
RUN to place the instrument in the analysis mode.
4.4.2 Span Calibrating a Channel Module
NOTE: To accomplish the following task, two
are needed. Operator one at the Control Unit
operator two at the probe. Both operators are
in the calibration process. They must be in
communication, by phone or other means.
(A) = Operator One at the Control Unit
(B) = Operator Two at the probe
1. (A) At the Front Panel of the Channel Module to be calibrated:
a. Press SELECT.
b. Use the right or left arrow key to highlight the SPAN option.
c. Press ENTER.
Result: Alarms are deactivated and the SPAN display option flashes.
2. (B) Introduce span gas into sensor. Select span gas that is 80 to 90 % of the
upper limit of the range of interest.
3. (A) After the reading stabilizes:
a. Press the up or down arrow key until the display reads the value that
corresponds to the % O
b. Press ENTER.
4. (B) Disconnect the span gas from the sensor.
5. (A) If necessary, proceed to the previous or next procedure. Otherwise, press
RUN to place the instrument in the analyze mode.
4.4.5 Using the "1MAN" Calibration Option
The two following calibration procedure can be performed by one
technician.
4.4.5.1 Z
S
ERO AND
PAN
1. Start by flowing gas that is less than 1% O2 to the
probe. Then, at the Front Panel of the Channel Module
Teledyne Analytical Instruments
5 Failure and Error Codes
of the certified span gas used.
2
C
C
ALIBRATING A
HANNEL
M
ODULE
operators
and
involved
constant
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