51
Calibration
Tab. 16 Calibration Kits
1
Balance Air
2
Balance Nitrogen
Flow Rates:
CALKIT1 = 1 liter/min
CALKIT2 = 0.25 liter/min
5.2
Calibration Frequency
The frequency of calibration gas testing depends on the operating time, chemical exposure, and
type of sensor. Especially in new installations or applications, it is recommended that the first
sensors be calibrated more often to establish the sensor performance in this particular environ-
ment.
For this, you typically record the "as found" and "as left" gas values and track the percent adjust-
ment over time. Then, gradually extend calibration intervals until the percent adjustment is greater
than the expected accuracy of the sensor.
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