Edwards Barocel 7025, Instruction Manual

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Page 20
W602100880_A - Operation
3. Push the <ZERO> button again:
Note:
If the <ZERO> button is released for more than 5 seconds, the gauge returns to the
measurement mode.
The <RUN> LED flashes if the signal output is negative (< -20 mV).
Switching Functions
The two switching functions can be adjusted to any pressure within the measurement range.
The current setpoint setting:

Is output at the D-Sub connector instead of the measurement signal and can be
measured with a voltmeter after the <SP> button is pressed.
If the pressure is lower than the setpoint, the corresponding LED is lit (<1> or <2>) and the
corresponding relay is energized.
1. Keep the pin depressed
Fine adjustment within 0 to 3 seconds: The zero adjustment value changes by one unit
(push <ZERO> button in 1 second intervals)
Change of direction within 3 to 5
seconds:
The zero adjustment changes its direction (the
flashing frequency of the <RUN> LED changes
briefly)