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

4.3.10. Detection of phase sequence indication 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. 13: Use of instrument for phase sequence indication with 1 wire
1. Select the "
2. Insert the red lead into V/ jack
3. Connect the red terminal to the L1 phase conductor (see Fig. 13 – left part). If
necessary use the rubber test lead holster and insert the red test lead
4. When an input voltage >80V is detected the buzzer sounds and the symbol "PH" is
shown on the main display. Don't press any key and keep the test lead connected to L1
phase cable.
5. After about one second "MEASURING" appears on the display indicating that the
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instrument is ready to execute the first measurement (see Fig. 13 – left part)
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 symbol "
If the input voltage value is < 80V the instrument doesn't show "PH" symbol
and it's not possible to execute the phase rotation detection
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CAUTION
1
" will appear on the secondary display
PH
CAUTION
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