Lufft XA1000 - Calibrating CO2 Sensor

33 Operating manual – multifunction measuring meter XA1000 / XP200 / XP400 • 08_2015 GB
Calibration CO
2
sensor
Note:
All values are stored in the sensor and are retained
even if the device is exchanged.
A.
146
120
B.
145
148
C.
147
120 Opens the calibration menu (see fig. B.).
Please note that the calibration menu indicated is always that
of the top measurement channel, in this case CO
2
non-averaged (see fig. A.).
CO
2
averaged cannot be calibrated.
145 Current measured value indication
146 Offset:
Use this button to enter an offset value (see fig. C.).
Please observe the limit values.
147 Gain:
Use this button to enter a multiplying factor. The measured
values are adjusted according to the following formula:
y = offset + x * gain
where y is the indicated and x the measured value.
148 Returns to the "Measuring mode" screen.