Bedienungsanleitung Velleman DVM1500 (Seite 6 von 104) (Deutsch, Englisch, Holländisch, Französisch, Portugiesisch, Spanisch, Polnisch)

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DVM1500

V. 03  04/11/2013 6 ©Velleman nv

CAT III

A CAT III-rated meter is suitable for measurements in CAT I and

CAT II environments, as well as for measurements on (fixed) mono-

or poly-phased appliances which are at least 10 m apart from a

CAT IV environment, and for measurements in or on distribution

level equipment (fuse boxes, lighting circuits, electric ovens).

CAT IV

A CAT IV-rated meter is suitable for measuring in CAT I, CAT II and

CAT III environments as well as on the primary supply level.

Note that for all measurements on equipment for which the supply

cables run outdoors (either overhead or underground) a CAT IV

meter must be used.

Warning: This device was designed in accordance with EN 61010-1

installation category CAT III 600V / CAT II 1000V. This implies that certain

restrictions in use apply that are related to voltages and voltage peaks which

can occur within the environment of use. Refer to the table above.

This device is suitable for measurements up to 1000 V:

Protected electronic circuits that are not directly connected to mains power,

e.g. electronics circuits, control signals, circuits behind isolating



circuits that are directly connected to mains power, but limited to:

o measurements on mono-phase appliances that are connected to the

mains by means of a plug

o mono-phase appliances and circuits directly connected to the mains in a

normal domestic environment, provided that the circuit is at least 10 m

apart from a CAT III, or 20 m apart from a CAT IV environment.

E.g. household appliances, portable tools, light circuits at more than

10 

This device is suitable for measurements up to 600 V:

measurements in/on low-voltage distribution boards (distribution boards

behind meter box)

measurements on (fixed) mono- or poly-phased appliances and circuits

except in CAT IV environments (e.g. mains outlets, electric ovens, lighting

circuits, bus bars, low-voltage distribution boards and circuit breakers).

This device is NOT suitable for:

Voltages above 1000 V

Measurements on distribution equipment and outdoor installations

including meter boxes and equipment/circuits outside or remote from the

domestic environment e.g. circuits in sheds, garden houses and free-

standing garages, or circuits using underground wiring e.g. garden lighting,

pool-

This device is only suitable for measurements up to 600 V in CAT III

and up to 1000 V in CAT II.

5. Pollution Degree

IEC 61010-1 specifies different types of pollution environments, for which

different protective measures are necessary to ensure safety. Harsher

environments require more protection, and the protection against the

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