a. Set the rotary switch at appropriate AC range.
b. Press the trigger to open the jaw and fully enclose the conductor
to be measured. No air gap is allowed between the two half jaws.
c. Read the ACA value from the LCD display.
d. If
Δ
button is pressed in the ACA function, the symbol of “
Δ
” is
displayed to indicate relative measurement
Note: If users select AC/DC 400 or 1000A range to measure a
current
greater than 100A, it could
cause greater residual magnet retained within
the jaws. If users then select DC 4 or 40A for subsequent measurement,
the residual reading might be larger than usual. Users can press the
ZERO(
Δ)
button to remove the residual value.
Note: Only for the first measurement after power on, it would take around
one minute to display the first measurement result if the measurement
value is under 5 counts.
3.2 Frequency (Hz) Measurement
a. Set the rotary switch at appropriate ACA range.
b. Press the trigger to open the jaw and fully enclose the conductor
to be measured. Enclose only one line of the line source and make
sure there is current flowing.
c. press the Hz button
d. Read the frequency (Hz) value from the LCD display.
Note: Make sure there is at least 0.08A for 4A AC range (0.4A for 40A AC
range, 4A AC for 400A range and 40A AC for 1000A range) following
through the conductor for frequency (Hz) measurement.
3..3 Relative (
Δ
) Reading Measurements
The zero (
Δ
) button also can be used to make a relative measurement in
the ACA function. Once the button is pushed, the current reading is set
to zero and a zero (
Δ
) symbol shall be displayed on LCD. All the
subsequent measurement shall be displayed as a relative value with
respect to the value being zeroed. Press the zero (
Δ
) button for 2
seconds to return to normal mode.
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