6 | Operation INFICON
60 / 108 XL3000flex-Operating-instructions-jina83en1-07-(2105)
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6.3.4 Calibrating the device
6.3.4.1 Time and general preferences
NOTICE
Incorrect calibration because of operating temperature that is too low
If the instrument is calibrated immediately after power-on, it may provide incorrect
measurement results.
► For optimum accuracy the device should have been turned on at least 20 minutes
previously.
The device only needs to be calibrated once per shift for the desired gas. Thereafter
you can switch between the different flows without re-calibrating.
Calibration is also required after the following actions:
• Sniffer line replacement
• Filter change of the sniffer line
• Prompt for calibration by the system
Switching off the
preamplifier test
The device tests the installed preamplifier during calibration. You can switch off of
the amplifier test. This increases the speed of the calibration, but reliability drops off.
0 OFF
1 ON
Control unit Main Menu > Settings > Set-up > MS-module > Preamplifier
> Test > Preamplifier test with CAL
LD protocol Command 370
ASCII protocol Command *CONFig:AMPTest (ON,OFF)
Enabling calibration
request
If Calibration request is enabled, the device will prompt the operator to perform a
calibration 30 minutes after it has been switched on and in case of temperature
changes greater than 5°C.
0 OFF
1 ON
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