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EX710 Datasheet, PDF (7/12 Pages) Extech Instruments Corporation. – 800 Amp Clamp Meters
Operation
NOTES: Read and understand all Warning and Caution statements in this operation manual prior to using
this meter. Set the function select switch to the OFF position when the meter is not in use.
AC/DC Current Measurements (DC Current on Model EX730 only)
WARNING: Ensure that the test leads are disconnected from the meter before making current clamp
measurements.
1. Set the Function switch to the 800A,
400A, or 40A range. If the approx.
range of the measurement is not known,
select the highest range then move to
the lower ranges if necessary.
2. Use the MODE button to select AC or
DC (EX730 only).
3. Press the DC ZERO button to zero the
meter display (EX730, DC only).
4. Press the trigger to open jaw. Fully
enclose only one conductor. For
optimum results, center the conductor in
the jaw.
5. The clamp meter LCD will display the
reading.
Correct
Incorrect
AC/DC Voltage Measurements
1. Insert the black test lead into the negative COM terminal and the
red test lead into the positive V·Ω·CAP·TEMP·Hz· terminal.
2. Set the function switch to the V Hz position.
3. Use the MODE button to select AC or DC Voltage.
4. Connect the test leads in parallel to the circuit under test.
5. Read the voltage measurement on the LCD display.
V
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EX700 Series Version 3.0 1/05