Omega Speaker Systems HX93DA manual HX93AV Calibration Procedure Temperature Adjustment

15	HX93A, HX93DA SERIES
	RH/Temperature Transmitter

15.Calibration Procedure for HX93AV (all Styles)

Temperature Adjustment

Recommended equipment:

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

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

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

1.Remove enclosure cover

2.Connect the power supply and multimeter as shown in the figure below.

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 to the 0ºF position.

7.Adjust potentiometer “P5” on the main board for a output reading of 0.023 Vdc

8.Set the RTD simulator to the 150ºF position.

9.Adjust potentiometer “P4” for a output reading of 0.901 Vdc

10.Repeat steps 6, 7, 8 and 9 as necessary until proper readings are maintained.

11. Calibration complete.

1 2 3	1 23
TB1	TB2

P5

P4

J4

CL-301

SENSOR HEAD

HHM29

.901 V

10A uAmA COM V

+24V –

PSU-93

Figure 9 - HX93AV Calibration Procedure

Temperature Adjustment

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