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HX93A, HX93DA SERIES
15A
RH/Temperature Transmitter
Temperature Display Scaling
Recommended equipment:
• RTD Simulator OMEGA
• Handheld Digital Multi-meter, OMEGA
• Dc Power Supply, OMEGA
For ºF Display
1. Remove enclosure cover
2. Connect the power supply and multimeter as shown in the figure 7.
3. Disconnect the 2-wire Connector "J4" from the main Board.
4. Connect the RTD simulator to the "J4" header on the main board as
shown below.
5. Apply power to transmitter and allow to warm up for 10 min.
6. Set the RTD simulator for 0ºF output. (See figure on page 11.)
7. Adjust potentiometer "ZERO" on the back of the Temp display for a
reading of 0.0ºF
8. Set the RTD simulator for 150ºF output.
9. Adjust potentiometer "GAIN" on the back of the RH display for a
reading of 150.0ºF
10. Repeat steps 6, 7, 8 and 9 as necessary until proper readings are
maintained.
11. Calibration complete.
For ºC Display
12. Remove enclosure cover
13. Connect the power supply and multimeter as shown in the figure 7.
14. Disconnect the 2-wire Connector "J4" from the main Board.
15. Connect the RTD simulator to the "J4" header on the main board as
shown below.
16. Apply power to transmitter and allow to warm up for 10 min.
17. Set the RTD simulator for 0ºC output. (See figure on page 11.)
18. Adjust potentiometer "ZERO" on the back of the Temp display for a
reading of 0.0ºC
19. Set the RTD simulator to the 150ºC output.
20. Adjust potentiometer "GAIN" on the back of the RH display for a
reading of 150.0ºF
21. Repeat steps 6, 7, 8 and 9 as necessary until proper readings are
maintained.
Calibration complete.
12
Model No.: CL510-1
®
®
Model No.: PSU-93
®
Model No.: HHM29
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