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2.
5-6 | Thermox Series 2000 WDG Insitu Analyzer
Select the Auto Calibrate or Auto Verify option. The system will begin
the automatic calibration, and will notify you how long the span gas
will be applied to the sensor from the RCU:
Then the following message will appear on your display:
During this time, the RCU switched the solenoid valves and introduced
the zero gas to the sensor.
When specified, the system will display the recovery time remaining:
The system returns to monitoring process readings and the calibration
or verify operation is complete. You can view the results of the last cali-
bration or verification using the Cal/Verify Data menu option from the
Calibrate key menu.
Remote Calibrate/Remote Verify
To initiate a remote calibration or verification, do the following:
1.
Enter the calibration gas values to match the span and zero calibration
gas cylinders you intend to use to calibrate/verify your system. These
values are referred to in this section as setpoint values .
2.
Select Initiate Cal or Initiate Verify from the Calibrate key menu, de-
pending on whether you want to perform a calibration or verification.
3.
Select Remote Calibrate or Remote Verify.
The following appears on your display:
4.
Press Enter when the O
stabilizes. The reading on the far right of the first display line shows the
setpoint value you entered using the Cal Gas Values menu option. This
setpoint value should match the cal gas cylinder value.
If your O
reading on the far left of the display has stabilized, yet is not near the setpoint
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value on the far right of the display, you should check the cal gas value you entered and
ensure that this value matches the cal gas cylinder for that gas in the RCU.
Span Gas xx:xx
System Calibrating
Zero Gas xx:xx
System Calibrating
Recovery xx:xx
O2 xx.x % Set xx.x %
Press ENTER to Span
reading on the far left of the first display line
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Troubleshooting
