Operating Instructions; Switch On; Auto Zero; Current Measurement - GMC-I PRO SyS CP 41 Manual De Instrucciones

4. OPERATING INSTRUCTIONS

4.1 Switch On

Move the switch from OFF position to either DC or AC
to select the required mode of operation.

4.2 Auto Zero

When in DC mode the display zero may change due to
thermal shifts and other environmental conditions. To
null the display reading depress the Auto Zero button
>2s. Ensure that the clamp meter is away from the
current carrying conductor whilst the display reading is
being nulled.

4.3 Current Measurement

Select DC or AC option as required using the switch.
Zero the display reading using the Auto Zero button.
Clamp the jaws round the conductor ensuring a good
contact between the closing faces of the jaws.
Observe and take measurements as required. Positive
output indicates that the current flow is in the direction
shown by the arrow on the probe.

4.4 Data Hold

To activate the Data Hold press the Hold button once.
The last reading will be held on the display. Press the
hold button again to go back to the normal operation.

4.5 Auto Power OFF

In order to save battery life, the clamp meter will
automatically switch itself off after approximately 10
minutes. To disable the Auto power off function, Switch
Off the probe and Switch On whilst pressing the auto
zero button.

4.6 Battery Replacement

SAFETY WARNING

Before removing the battery cover,
make sure that the probe is remote
from any live electrical circuit.
When the Low Battery symbol is illuminated in the
display the minimum battery voltage has been reached.
Refer to Fig 1 and use the following procedure to
replace the battery.
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