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Select the “calibration settings” icon in the main menu interface of
the detector, click the middle button to enter the password input
interface (Figure 14), follow the navigation bar prompts to set the
operation, and enter “1111” to enter the customer calibration
interface (Figure 15).
The customer calibration interface includes five functional options:
zero calibration, zero drift, concentration calibration, one-key zero
calibration, and factory reset (Figure 15).
Zero point calibration
: Calibrate the gas zero point. The user
zero point interface (as shown in Figure 16) will continue to pass in
gas suitable for zero point calibration for a certain period of time.
After the value is stable, click the middle button to confirm and
save. There will be a corresponding prompt on the screen when
the save succeeds or fails (Figure 17).
Zero drift
: After the sensor is used for a long time, the zero point is
offset, and the display is not zero in the clean air, and it can be
returned to zero through the zero point translation (Figure 18).
Concentration calibration
: enter the corresponding
concentration gas, and perform concentration calibration on the
gas.
One-key zeroing
: zeroing all the gases in use in the detector.
Factory reset
: restore all configuration information of the sensor
module before leaving the factory.
Note: A series of operations such as zero point calibration have
been carried out before the detector leaves the factory, and the
user can directly use it normally. If the user does not operate
without the manufacturer's guidance, all the consequences shall
be borne by himself.
