Ametek Thermox WDG Insitu, Руководство пользователя

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Calibration | 5-13
Inject Cal Gas
Manually adjust the pressure and flow of your calibration gases (pressure of
calibration gas cylinders and flow into sensor) by cycling through the sole-
noid 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 requirements.
This menu option requires that an auto cal card and RCU are in-
stalled.
1. Connect the span and zero gas cylinders to the RCU.
2. 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:
Span gas is flowing
You will be prompted to press Enter when you have manually set the
pressure and flow for the span gas:
ENTER for next Gas.
CANCEL to quit.
3. 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:
Zero gas is flowing
4. 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.
CANCEL to quit
Then, if you specified a recovery time, the system will display the recov-
ery time remaining:
Recovery xx:xx
The system returns to monitoring process readings.
NOTE
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