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4.4.3 Calibration of the supply pressure module
Calibrate the air intake and vent sensors inside the calibrator through an internal pressure control
module, to rectify pressure drift caused by long-term operation of internal sensors. During execution,
the pressure outlet shall be sealed.
4.4.4 Calibration of the barometric pressure module
The calibrator provides single-point or two-point calibration for the internal barometric pressure
module.
Single-point calibration
Input the external atmospheric pressure as standard pressure value. Confirm and click the "Save"
button to complete calibration.
Two-point calibration
1) Provide a pressure connection
Connect the calibrator as shown in Figure 4-2.
2) Set the calibration points
The default calibration point is a calibration point used in the last calibration.
The calibration point can be modified. Please ensure that the input set value of calibration point
is within the range of internal barometric pressure module, and the value of point 1 is less than
that of point 2.
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