10
OPERATING INSTRUCTIONS
WARNING
: Risk of electrocution. High-voltage circuits, both AC
and DC, are very dangerous and should be measured with great
care.
1. ALWAYS turn the function switch to the OFF position when the
meter is not in use.
2. If “OL” appears in the display during a measurement, the value
exceeds the range you have selected. Change to a higher range.
NOTE
: On some low AC and DC voltage ranges, with the test
leads not connected to a device, the display may show a
random, changing reading. This is normal and is caused by
the high-input sensitivity. The reading will stabilize and give
a proper measurement when connected to a circuit.
AC/DC Current Measurements
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.
3. Press
the
DC ZERO
button
to zero the meter display.
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.
Incorrect
Correct
