Meter Description; Control Buttons - Extech Instruments EX623A Quick Start Manual

METER DESCRIPTION

1. Non-contact voltage (NCV)
detector.
2. Current clamp.
3. NCV indicator.
4. Clamp trigger.
5. Function switch.
6.

Control buttons.

7. Backlit LCD.
8. Thermocouple inputs.
9. Negative test lead jack.
10. Positive test lead jack.
11. Input shutter switch.
Battery compartment, IR lens, and la-
ser pointer lens on back of meter.
CONTROL BUTTONS
Press and hold to display the temperature of the targeted spot.
Data Hold. Short press to freeze/unfreeze the reading.
Long press to switch the backlight on or off.
Peak: Short press to show/hide the measured current's signal
peak.
Low Pass Filter (LPF): Long press to engage or remove the low
pass filter, for AC voltage measurements.
#NAS100185; r. AE/96702/98047; en-US
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