Sonel CMM-11 Manual De Uso página 41

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WARNING
 Connecting wrong or damaged leads may cause
electric shock.
 The meter must not be connected to the voltage
source when it is set to current or resistance meas-
urement or to diode test. Failure to observe this pre-
caution may damage the meter!
When using the meter, be sure to:
 discharge capacitors in the tested power sources,
 disconnect the power supply when measuring the resistance and
diode tests,
 turn off the meter and disconnect test leads before removing the
back cover to replace the battery or fuses.
WARNING
Do not use the meter if the cover of battery and/or fuse
compartment is removed.
It is possible that in certain low ranges of AC or DC volt-
age, when the meter is not connected to the leads, the
screen will show random and variable readings. This is a
normal phenomenon, which results from the input sensitivi-
ty with high input resistance. When connected to a circuit,
the read-out will stabilize and the meter will provide the cor-
rect value.
CMM-11 – USER MANUAL
39
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