6.2.4 Number inputting introduction
Highlight shift right
If number incrementing exceeds the maximum display, it will return to 0
Confirm the inputted number
(ESC)Cancel the inputted number
It is recommended that the ADT680 be calibrated annually in a lab traceable to national standards.
We recommend finding a lab that can offer uncertainties 4 times better than the accuracy of the gauge
being tested. We also recommend that, in order to achieve the best calibration results and
prior to calibrate the ADT680, it should be pressurized to full scale and back to zero three times.
7
Calibration
(1) Environment:Temperature: 22℃ ±3℃; Relative humidity: (45-75) %;
Atmosphere pressure: (86~106) kPa.
(2) Equipment: Standard pressure source and indicator have a test uncertainty atio TUR) of 4:1
or better.
Note: Please make sure during calibration the following conditions are met.
units
zero
8
7.1 Calibration conditions
If need to input minus sign "-", push and hold button.
units
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