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Operation
AC Current Measurements
WARNING: To avoid electric shock, disconnect the test leads from the meter before making current
measurements.
1. Set the Function switch to the 4, 40, 100, or 400A AC range.
2. Press the Trigger to open the clamp jaw.
3. Clamp onto a single conductor (fully enclosing it). Do not allow a gap between the two halves of
the jaw.
4. Read the ACA value on the LCD.
DC Current Measurements
WARNING: To avoid electric shock, disconnect the test leads from the meter before making current
measurements.
1. Set the Function switch to the 40 or 400A DC range.
2. Press the DCA zero key to null the meter display.
3. Press the Trigger to open the current sense Jaw.
4. Fully enclose a single conductor to be measured. Do not allow a gap between the two halves of
the jaw.
5. Read the DCA value on the LCD.
Frequency Measurements
1. Ensure that at least 0.1A AC is detectable before measuring Frequency.
2. Set the Function switch to the Hz position.
3. Press the Trigger to open the jaw and fully enclose one conductor.
4. Read the Frequency measurement on the LCD in Hz.
MIN, MAX Function
Pressing the MIN/MAX key allows the meter to display ONLY the highest and the lowest readings
encountered. Press the MIN/MAX key once to view the minimum reading, press it again to view
the maximum reading. The LCD will toggle between the MIN and MAX values. Press and hold
MIN/MAX button for more than 2 seconds to return to normal operating mode. Zero function will
be disabled when MIN/MAX is enabled. MIN/MAX is not available in Hz mode.
Data Hold
To freeze the displayed reading on the LCD, press the Data Hold key (the HOLD icon will appear on
the display). To release the Data Hold function and return the meter to normal operation, press the
Data Hold key again (the HOLD icon will switch off).
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