LEM HEME ISO 1000 Manuel D'utilisation page 17

Basic operation

Select the current measurement function by turning the rotary switch to the A
postion. The instrument will go into an autozero mode for- 10 seconds until
the ZERO symbol disappears.
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Clamp around a single current carrying conductor. The instrument displays
the True RMS value of the current and the frequency of any AC component
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Pressing the key cycles the display through the AC and DC components
of the current. The analog bargraph always shows the True RMS (AC+DC)
value
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To activate the LIMIT (alarm) function press the
limit press the key again and use the
key to increment the digit. When in this mode pressing the
turns the lower limit value off completely. To set the higher limit press the
key and use the arrow keys as above. To activate the LIMIT function
press the key again.
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To deactivate the LIMIT (alarm) function turn the rotary switch to a new
position
key. To set the lower
to selects the digit and the
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