dynasonics TFX Ultra User Manual

6. Click Calibrate and the following screen should now be visible. Make sure that the Calibrate Both RTDs at same temperature
box is checked and then enter the temperature to the nearest 0.1° C in the box labeled Reference Temp (deg C).
DAC Value:
Calibrated Temp (deg C):
Calibrated Temp (deg F):
First Cal Point
Reference Temp (deg C):
RTD 1
RTD 2
Calibrate RTD 1, or select the checkbox below to calibrate both RTDs at the same
temperature. Make sure that the RTD is at a known temperature and enter this
temperature below:
Calibrate Both RTDs at same temperature
RTD Calibration (Step 1 of 2)
OK
Cancel
1
0.0 °C
32.0 °F
3
0.0 °C
32.0 °F
Figure 64: RTD calibration (Step 1 of 2)
7. Click Next.
The procedure for step 2 of 2 is similar to step 1 except the second water bath is used.
8. Insert both RTD temperature sensors and the laboratory grade thermometer into the second water bath and allow about
20 minutes for the sensors to come up to the same temperature.
9. Make sure that the Both RTDs at same temperature box is checked and then enter the temperature to the nearest 0.1° C in
the Temp (deg C) box.
DAC Value:
Calibrated Temp (deg C):
Calibrated Temp (deg F):
Second Cal Point
Reference Temp (deg C):
RTD 1
RTD 2
Calibrate RTD 1, or select the checkbox below to calibrate both RTDs at the same
temperature. Make sure that the RTD is at a known temperature and enter this
temperature below:
Calibrate Both RTDs at same temperature
RTD Calibration (Step 2 of 2)
OK
Cancel
1
0.0 °C
32.0 °F
3
0.0 °C
32.0 °F
Figure 65: RTD calibration (Step 2 of 2)
10. Click OK.
11. Click Download on the System Conguration screen to save the calibration values to the transmitter. After the download is
complete, cycle the transmitter power o and on to make the newly downloaded values take eect.
If the calibration points are not separated by at least 40° C or if either one or both of the RTDs are open, the following error
message will be displayed:
Calibration points are too close. Calibration not usable.
UltraLINK
OK
!
Figure 66: Calibration point error
In-Field Calibration of RTD Temperature Sensors
Page 93 May 2016 TTM-UM-00136-EN-06

dynasonics TFX Ultra Specifications

General

Brand	dynasonics
Model	TFX Ultra
Category	Measuring Instruments
Language	English