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three phases at will, and the remaining one should be grounded.
V. Notes
1. When the meter is stored you should pay attention to
environment temperature and moisture. The meter should be place
in dry and ventilated environment and should be shielded from dust,
humidity, vibration, acid, soda and corrosive gas damage.
2. When the measured object is charged, you should
disconnect the power before starting the measurement. Otherwise,
that may endanger safety of your body and the device! The DC
voltage between the “E” terminal and “L” terminal is high after
turning on the high voltage. Make sure any parts of your body
should not touch the terminals during measuring.
3. This meter uses AC and DC power supply. When connect to
AC power supply, the meter will prior use AC power supply; when
not connect to AC power supply, battery will power meter.
4. “←” appearing on the top left corner of the screen says
battery voltage is low and you should replace a new battery. If the
meter will not be used for a long time, all batteries should be
removed to prevent meters from corrosion.
