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6.2 Zero Adjustment
To conduct zero adjustment of the flowmeter, the fluid in the detector pipe must be held still.
There are three different ways to start the zero adjustment:
(1) Pressing a combination of control keys for the model with LCD display
See 8.2.14 “Still Water Zero Adjustment”
(2) Sending a command signal from a HART communications device (a communication
device such as hand-held terminal AF900 is required)
See the instruction manual of hand-held terminal you use.
(3) PROFIBUS communication (a communication device for PROFIBUS is required)
See the instruction manual of communication device you use.
Note 1: If the detector pipe is not filled with the fluid to be measured, the flow rate will be
indefinite and unable to be measured. Before using the flowmeter, be sure to fill the
detector pipe the fluid to be measured.