EX623 Datasheet, PDF (9/15 Pages) Extech Instruments Corporation. – 400Amp True RMS AC/DC Clamp Meter with IR Thermometer

μA DC/AC Current Measurements
1. Slide the input shutter to the up position.
2. Rotate the function switch to the μA position.
3. Press the MODE button to select AC or DC.
4. Insert the black test lead banana plug into the negative COM jack.
Insert the red test lead banana plug into the positive μA jack.
5. Turn power to the circuit under test off and make a break in the circuit.
6. Insert the meter in series with the circuit;
Touch the black test probe tip to the negative side of the break.
Touch the red test probe tip to the positive side of the break.
7. Turn circuit power on.
8. Read the current value in the display.
Type K Temperature Measurements
1. Slide the input shutter to the down position.
2. Rotate the function switch to the TYPE K temperature position.
3. Press the MODE button to select °F or °C.
4. Insert the Temperature Probe(s) into the T1 and/or T2 type k sockets.
5. Place the temperature probe tip(s) where needed.
6. Read the temperature on the display.
7. Press the T1-T2 button to step through the display combinations:
Upper display
a. T1
Lower display
T2
b. T2
T1
c. T1-T2
T1
d. T1- T2
T2
Note: In case of an open input or a temperature overrange, the meter will display “- - - -” .
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EX623 V2.2 07/08