B-H90.0.0X.DK2-2.1
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G 1910 series
Operation and maintenance | 5
2-point calibration at 0 ppm and an arbitrary point are both possible. Refer to the oper-
ating manual for the 2-point calibration!
For automatic calibration, open the
Calibration
menu.
–
The product is switched on.
–
Clean ambient air or test gas for gradient correction
–
Gas extraction device, if applicable
1.
Press the
Function key
for 4 seconds to start the calibration.
[ONF
appears in the
display first, then
[AL
.
2.
1-point or 2-point calibration is started. This depends on what was adjusted in the
Expanded settings
menu.
3.
[.SL
appears in the display for 1-point calibration.
4.
The product determines a stable value first. If the measured value is outside of
the value range integrated in the product, the display flashes briefly and an
acoustic signal is issued every 10 s.
5.
If the display flashes briefly, an acoustic signal sounds and the bar display blinks,
a stable correct value has been achieved.
