42/24-10 EN Rev. 9 Chapter 8: Gas Analyzer Calibration 8-B-5
Validation
Validation Procedure Validation runs in principle just like an automatic calibration. The difference is that
during validation a measurement value deviation from the set point values is not
corrected automatically. Instead the procedure is as follows:
• When the (test gas) measurement values for start and end point are within the
initialized limit values the success of the validation is recorded in the logbook.
• When the (test gas) measurement values for start and end point are outside the
initialized limit values the failure of the validation is recorded in the logbook.
Either the “maintenance request” status is set or a calibration of the sample
component is performed.
Validation Parameters The parameter settings for automatic calibration also apply to validation.
After selecting validation in the Operating mode parameter, it must be set
• If the validation result shall be logged and
• If in case of a validation failure
• the “maintenance request” status shall be set or
• the sample component shall be calibrated.
In the Test gas concentration parameter the start- and end-point limit
values have to be set for each sample component. If these limit values are over-
or undershot the validation is rated as failure.
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