Extech Instruments 422324 User Manual download pdf (Page 10)

Note: voltage VCC to GND is 16V Maximum, 5V Minimum.

GND

≦

SYNC

≦

VCC

Example :

High Alarm= 1300.5

℃

Low Alarm= -50.5

℃

If LCD reading

≧

1300.5

℃

Result : High Alarm output reading approx 5V

Low Alarm output reading approx 0V

If LCD reading

≦

-50.5

℃

Result : Low Alarm output reading approx 5V

High Alarm output reading approx 0V

Example :

Hi alarm= 25.5

℃

Lo alarm= 25.5

℃

If LCD reading = 25.5

℃

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Extech Instruments 422324 User Manual Page 10