Additel 680 - Advanced Functions Details; Overpressure Records and Leakage Test; Factory Reset and Automatic Zeroing; Safety Warnings and Precautions

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Overpressure
records
View the 5 most recent over pressure records by inputting pass word “888” in
the Calibration menu, when screen is shown as Figure 2, Page10.
Leakage test
Detect pressure leakage over a period of time. The gauge will auto-record
beginning pressure value, ending pressure value and leakage ΔP.
Factory reset
Reset all the settings back to factory default settings, except for the calibration
parameter.
Additional functions
Automatic zeroing
Once automatic zeroing function is activated, the measured value is less than 0.01%
of full scale, and this situation maintains more than10 seconds, the gauge will
automatically zero.
Tare/Offset reading
This function can be used to subtract a constant value from the measured pressure.
For example: If the tare or offset point is set to 50 psi, and the measured pressure is
80 psi, then 30 psi will be displayed.
Warning
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pressure connection.
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