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Calibrating the Pressure T
ransmitter
3-19
IM CA700-01EN
1
2
3
4
5
6
7
Index
Saving the Data before Adjustment
3.
Press
As Found (F3)
.
A screen for monitoring the pressure applied to the pressure switch appears.
Pressure when the switch opened
Pressure when the switch closed
Difference between the pressure when the switch
opened and that when the pressure switch closed
Resistance when the switch closed
Pressure applied to the pressure switch
Switch condition
4.
Slowly increase the pressure to the pressure switch until it opens. Then, slowly decrease the
pressure switch until it closes.
When the pressure that opened the pressure switch, the pressure that closed the pressure
switch, the difference between the two pressures, and the resistance when the pressure switch
closed are measured, F5 changes to Done on the function menu.
The measured results are displayed.
5.
Press
Done (F5)
. The data is saved to a file, and the calibration display of step 2 appears.
If you press ESC, the data is not saved, and the calibration display of step 2 appears.
Adjusting the Pressure Switch
6.
In the calibration display, press
Adjust (F4)
.
A screen for monitoring the pressure applied to the pressure switch appears.
7.
While monitoring the pressure applied to the pressure switch, adjust it.
8.
Press
Adjust Done (F5)
or
ESC
.
The calibration display of step 2 appears.
3.6 Calibrating a Pressure Switch