1.General Information
This digital multi-meter is designed and manufactured in compliance with
IEC-61010 safety requirements on electronic measuring instruments and
hand-held digital multi-meters. It is compliant with IEC-61010 requirements
pertaining to 600V CAT.Ⅲ and requirements on pollution degree 2. Please
read carefully this Operation Manual and pay attention to safety guidelines
before operating this meter.
1.1 Safety information
1.1.1 Safety instructions
* Before operating this meter, the operator must observe all standard safety
procedures in the two respects below:
A. Safety procedures against electric shock
B. Safety procedures against unintended use
* To ensure your personal safety, please use the test lead that accompanies
the meter. Before operating this meter, ensure that the test lead is flawless.
1.1.2 Safety considerations
* When the meter is used in the vicinity of the equipment that produces
strong electromagnetic interferences, the reading on the meter will grow
unstable and even produce serious errors.
* Don't operate the meter or pen-shaped meter whose appearance is
damaged.
* The safety function of the meter will become null if the meter is not
properly operated.
* The meter must be operated with great care when working in the vicinity of
an exposed conductor or bus line.
* The meter is prohibited from being used in the vicinity of any explosive gas,
vapor or dust.
* The measurement must be made with correct input terminals and functions
and within the allowable measuring range.
* To prevent the meter from being damaged, the value to be input shall not
exceed the extremes allowed by each measuring range.
* When the meter has already been connected to the line being measured,
the operator is prohibited from touching the input terminal that is not in
service.
* When the voltage measured exceeds 60Vdc or 30Vac (valid value), the
operator shall be careful enough to avoid electric shock.
* When making measurement with a test lead, place your fingers behind its
protective ring.
* When switching to another measuring range, be sure that test lead has
already been taken off the measured circuit.
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