Inject Cal Gas - Ametek Thermox Series 2000 WDG-IV User Manual

Inject Cal Gas

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5-18 | Thermox Series 2000 WDG-IV / IVC / IVCM
Manually adjust the pressure and flow of your calibration gases (pressure
of calibration gas cylinders and flow into sensor) by cycling through the
solenoid valves on the RCU. No calibration or verification data is collected
while in this menu option. See the "Mechanical Installation" section in
Chapter 2 for recommended calibration gas pressure and flow require-
ments.
This menu option requires that an auto cal card and RCU are in-

stalled.
NOTE
Connect the span and zero gas cylinders to the RCU.
From the Calibrate key menu, select the Inject Cal Gas menu option.
The following message will appear on your display, indicating that the
RCU has introduced the span gas to the sensor:
You will be prompted to press Enter when you have manually set the
pressure and flow for the span gas:
When you have adjusted the pressure and flow for the span gas to the
desired levels, press Enter.
The following message will appear on your display, indicating that the
RCU has now switched the solenoid valves and has introduced the zero
gas to the sensor:
Adjust the pressure and flow for the zero gas to the desired levels. If
you don't have the combustibles option, press the Cancel key to end
the cycle.
Then, if you specified a recovery time, the system will display the recov-
ery time remaining:
Span gas is flowing
ENTER for next Gas.
CANCEL to quit.
Zero gas is flowing
CANCEL to quit
Recovery xx:xx