Phase Detection With 1 Wire Method - HT HT4020 Manual De Instrucciones

4.3.10.2. Phase detection with 1 wire method

 The maximum Voltage input is 600V. Do not attempt to take any voltage
 During this measurement the instrument must be always held in the
Fig. 15: Use of instrument for phase detection indication with 1 wire
1. Select the "
2. Insert the red plug into V/ jack
3. Connect the red terminal to the L1 phase conductor (see Fig. 15). If necessary use the
rubber cup to insert red test lead
4. When an input voltage >80V is detected the buzzer emits a sound and the symbols
PH
" " is shown on the main display
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measurements exceeding the limits indicated in this manual. Exceeding
the limits could cause electrical shock or damage to the instrument
operator's hand and the test lead cable must not be in contact with or near
to any voltage source that, due to instrument sensitivity, can abort the
measurement
" position

The detected voltage is NOT the phase to neutral voltage, but the
voltage between the conductor and the operator who is holding the
instrument. This value can be lower than the phase to neutral voltage.
DON'T TOUCH THE PHASE CABLE IF YOU AREN'T SURE THAT
ANY VOLTAGE IS PRESENT.

If the operator is insulated from the ground (e.g. insulated floors, shoes
with thick rubber, etc.) the instrument may not measure correctly. We
recommend repeating test at least twice due to verify the rightness of the
obtained result.
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CAUTION
CAUTION
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