Hioki DT4251, Instruction Manual

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Checking the Electric Charge (DT4251)
3.11 Checking the Electric Charge
(DT4251)
Whether a power line is energized can be checked easily. If the
power line is energized, it is indicated via a buzzer and display. Use
this function for coated power lines. The detection may not be made
depending on the measurement conditions.
WARNING
To avoid electric shock, do not use the instrument
with test leads
fi xed to the lead holders.
• To check the electric charge properly, do not use the instrument
with test leads wrapped around the instrument. The detection
sensitivity of electric charge measurement deteriorates.
• Check that the detection function operates normally before use.
(p. 41)
1 1
22
1
Select the measurement
function.
2
Move the power line close
to the instrument.
When the detection level is
exceeded, a buzzer sounds and the
red LED lights up.
Reference detection level
Reference detection level for the
power line
80 V AC to 600 V AC