Omega Speaker Systems HX93DA Temperature Display Scaling Recommended equipment, For ºF Display

15A	HX93A, HX93DA SERIES
	RH/Temperature Transmitter

Temperature Display Scaling

Recommended equipment:

•RTD Simulator OMEGA® Model No.: CL510-1

•Handheld Digital Multi-meter, OMEGA® Model No.: HHM29

•Dc Power Supply, OMEGA® Model No.: PSU-93

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.

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