Sonel CMM-40, User Manual

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CMM-40
– USER MANUAL
43
WARNING:
The CMM-40 meter may be operated solely by qualified and
properly authorised personnel for work at electric installa-
tions. Using the meter by unauthorised personnel may lead
to its damage and constitutes a source of a serious risk for
the user.
2 Safety
In order to guarantee proper operation and correctness of the
obtained results it is necessary to observe the following recommen-
dations:

Before commencing operation of the meter please acquaint
yourself thoroughly with the present manual,

The instrument should be operated solely by properly qualified
personnel, who also must be trained regarding the industrial
safety regulations,

Use great care when making measurements if the voltages are
greater than 20VAC rms or 40VDC. These voltages are consid-
ered a shock hazard,

Before use for non-contact AC voltage measurements, always
test the voltage detector on a known live circuit to verify proper
operation,

Set function switch to the appropriate position before measur-
ing,

When measuring volts do not switch to current/resistance
modes,

Do not exceed the maximum allowable input range of any func-
tion,

Do not apply voltage to meter when resistance function is se-
lected,

When changing ranges using the selector switch always dis-
connect the test leads from the circuit under test,

Do not exceed the maximum rated input limits,

It is prohibited to operated the meter: