Uni-T UT233 [6/50] Rules for safe operation

Model UT233: OPERATING MANUAL

Safety Information

international electrical symbols used on the Meter and

in this Operating Manual are explained on page 6.

Rules For Safe Operation

Warning

This Meter complies with the standards IEC61010: in

pollution degree 2, overvoltage category (CAT. III 600V,

CAT IV 300V) and double insulation.

CAT. III: Distribution level, fixed installation, with smaller

transient overvoltages than CAT. IV.

CAT IV: Primary supply level, overhead lines, cable

systems.

Use the Meter only as specified in this operating manual,

otherwise the protection provided by the Meter may be

impaired.

In this manual, a Warning identifies conditions and

actions that pose hazards to the user, or may damage

the Meter or the equipment under test.

A Note identifies the information that user should pay

attention to.

To avoid possible electric shock or personal injury,

and to avoid possible damage to the Meter or to the

equipment under test, adhere to the following rules:

Before using the Meter inspect the case. Do not

use the Meter if it is damaged or the case (or part

of the case) is removed. Look for cracks or

missing plastic. Pay attention to the insulation

around the connectors.

Inspect the test leads for damaged insulation or

exposed metal. Replace damaged test leads with

identical model number or electrical specifications

before using the Meter.

Do not apply more that the rated voltage, as

marked on the Meter.

When measurement has been completed,

disconnect the connection between the test leads

and the circuit under test, remove the testing