Emerson Rosemount Reference Manual page 34

Operation and maintenance
September 2019
Fast Keys
Procedure
1. Assemble and power the entire calibration system including the gauge, Field
2. From the Home screen, select 2: Configure.
3. Select 2: Manual Setup.
4. Select 1: Measurements.
5. Select 1: Dial/Pressure.
6. Select 1: Verify/Calibrate.
7. Follow the on-screen instructions to complete the adjustment of the lower value.
8. Repeat the procedure for the upper value.
Performing a digital zero trim
Devices are factory-calibrated. Once installed, it is recommended to perform this step to
eliminate potential error caused by mounting position or static pressure. Instructions for
using a Field Communicator are listed below.
Procedure
1. Vent the device.
2. Connect the Field Communicator.
3. From the HOME screen, enter the HART
4. Follow the commands to perform the procedure.
4.3.4 Dial adjustment
Dial adjustment can be used to adjust the dial above or below zero and allows for
adjustments up to 13 percent of span. Dial adjustment only impacts needle position and
does not impact sensor.
Note
Dial adjustment adjusts the position of the factory dial calibration. It is possible to degrade
the performance of the gauge if the operation is done improperly or inaccurately.
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Communicator or AMS Device Manager, power supply, pressure input source, and
readout device.
Note
Select pressure points so that lower and upper values are equal to or outside the
expected process operation range.
Note
The applied pressure must be within five percent of the selected pressure points
when performing sensor trim.
Fast Keys 1, 8
2, 2, 1, 1, 1
®
Fast Key sequence.
Reference Manual
00809-0100-4145
Emerson.com/Rosemount