Omega Vehicle Security CL3512A manual CL3152A Calibration Procedure, Input Funtion Calibration

5.0 CL3152A Calibration Procedure

Note: The following calibration procedure should be performed only by qualified technicians who have access to the items as following items:

Equipment: 1) A very accurate millivolt source.

2)A TRC III ICE Point Reference or ice bath with type K thermocouple.

Input Funtion "Calibration"

1.Before turning on the meter, turn the RANGE knob to position "INPUT" and then move the jumper to the upper two pins of J5 which is at the left upper of the PCB.

2.Input DCV 25.60mV to the T1. After the display is stabilized, then press

key and "0.1" is displayed.

3.Input DCV 74.00mV. After the display has stabilized, then press key and "OL" is displayed.

4.Input 0°C (K-type, use a K thermocouple on an ice bath, or thermocouple calibrator). After the display has stabilized then press key.

5.Do Not press any key. The meter will turn off automatically after 10 seconds. Move the jumper to the lower two pins of J5.

6.Turn the meter back on then input 0°C (K-type). The meter will be calibrated if the display reading reads 0°C.

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