8-24 Chapter 8: Calibration
SHB_U14
Pressure detector initial calibration
When should an
initial calibration be
performed?
• If a pressure correction is made
• After changing the pressure sensor
Accessories Pressure detector calibration can be performed using the keypad on the
device or with a PC and the test and calibration software. Both methods are
based on the same calculation and evaluation.
For calibration with a PC:
• PC with serial port
• Advance Optima - TCT test and calibration software
• Serial port connecting cable, item no. 0743091
• Pressure gauge for ambient air pressure
Preparation • Establish electrical connections
• The analyzer should be installed at the site at which it is to be used and should
be protected against vibration
• Set the test gas flows between 30 and 60 l/h and maintain stable +/-5 l/h.
• Connect the PC to the analyzer module
• Start the calibration and test software
Test • Test all detectors (the measured values should appear and be regularly
updated)
• Status message 0 for all detectors
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