27
D
E
U
T
S
C
H
The test instrument must only be used for the specified
measurement range.
According to the standard EN 61010-1 the following measure-
ment categories are defined:
Measurement Category CAT II
Measurements on circuits that are electrically connected di-
rectly to the network, via plugs in the home, office and labora-
tory.
Measurement Category CAT III
Measurements on the building installations: Fixed consumer
units, distributor connection, equipment fitted permanently to
the distributor.
Measurement Category CAT IV
Measurements at the source of the low voltage installation:
Meter, primary surge protection, main connection.
Summary of Contents for 185139
Page 2: ...Multimeter 313 Art 185139 Version 1 1...
Page 216: ......
