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4
Operation
Put the gauge in operation.
Warm-up time of the gauge: approximately 1 Minute.
4.1
Calibrating the gauge
The gauge is factory calibrated in "standing upright" position and
is maintenance-free.
Installation position, long time operation and contamination can
lead to a zero drift and a zero adjustment will become
necessary.
Perform a zero adjustment under the same and constant
ambient conditions and in the same mounting orientation, in
which the gauge is normally used.
4.1.1
Zero adjustment
Zero can be adjusted via
• The Zero button on the gauge, or
• The digital input "Remote Zero Adjust": Apply the supply
voltage to pin 7 (pulse → 7).
BG 5140 BEN
(2017-09)
If the gauge is operated via a controller, the zero of the
whole measuring system has to be adjusted on the
controller: first, adjust the zero of the gauge and then,
the zero of the controller.
17
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