
Using ProLink
®
Software with Micro Motion
®
Transmitters
83
Configure Menu: Characterize
continued
Temperature factor for RFT9739
Configure Menu:
Transmitter Outputs
Configure Menu:
Transmitter Information
Configure Menu: EventsView Menu: Status
Configure Menu:
Characterize
Configure Menu:
Transmitter Variables
• The digits before the placeholder "T" represent the slope of the linear
output.
• The digits after the placeholder "T" represent the temperature offset,
or the difference between the actual flow tube temperature and the
temperature indicated by the output when T
measured
indicates a
temperature of 0°C.
The procedure for characterizing the flowmeter for temperature involves
calculating the slope and offset of the corrected linear output
representing flow tube temperature, and completely recalibrating the
flowmeter for flow and density measurement. During temperature
characterization, write values in the appropriate Transmitter
Configuration Worksheet, shown in
Appendix E
, page 183.
Temperature characterization is not recommended, and will require
complete recalibrating of the flowmeter for flow, density, and
viscosity measurement.
Refer to
Section 14.5
, page 148. To
characterize the flowmeter for temperature manually:
1. Ensure the value shown in the TempCal text box reads
"1.00000T0000.0".
2. Pump a process fluid through the sensor at the lowest temperature
measured during the application. Wait approximately five minutes for
the flow tube temperature to stabilize.
3. Use a thermometer, temperature sensor, or another device to
establish the reference temperature of the process fluid. Write the
reference temperature as T
1
in the appropriate Calibration Record in
Appendix F
, page 189.
4. Open the View menu, choose Process Variables to read the flow
tube temperature. Write the indicated temperature as T
2
.
5. Pump a process fluid through the sensor at the highest temperature
measured during the application. Wait approximately five minutes for
the flow tube temperature to stabilize.
6. Using the same temperature measurement device used in step 3,
establish the reference temperature of the process fluid. Write the
reference temperature as T
3
.
7. Use the Process Variables window to read the flow tube temperature.
Write the indicated temperature as T
4
.
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