Omega Speaker Systems HH303 manual Calibration Procedure

Calibration Procedure

Model No. HH302 & HH303

Environmental: 23 ± 5 ℃

Date	JUN./06/2002
Page	1 of 1

K,J Thermometer (HH302) calibrate procedure

1.Hold REL+AVG+TIMER then press power , release all button ,press HOLD +C/F in 5 seconds, LCD will show “CAL 1”.

2.Input 52.418 mV via copper wire , press REL button when LCD display a stable value(about 14,000 count). Then LCD will display “CAL 2”

3.Input 33.290 mV via copper wire, press REL button when LCD display a stable value(about 18,000 count), Then LCD will display “CAL 3”

4.Input 0 C via thermocouple wire, press REL button when LCD display a stable

value(less then 1000 count),

Now , press REL button again to finish calibrating .

K,J Thermometer (HH303) calibrate procedure

1.Hold REL+AVG+ T1-T2 then press power , release all button ,press HOLD +C/F in 5 seconds, LCD will show “CAL 1”.

2.Input 52.418 mV via copper wire , press REL button when LCD display a stable value(about 14,000 count). Then LCD will display “CAL 2”

3.Input 33.290 mV via copper wire, press REL button when LCD display a stable value(about 18,000 count), Then LCD will display “CAL 3”

4.Input 0 C via thermocouple wire, press REL button when LCD display a stable value(less then 1000 count),

Now , press REL button again to finish calibrating .

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