TESTBOY Pocket Bedienungsanleitung Seite 45

Protection class (according
to IEC 60529)
Overvoltage category (ac-
cording to IEC61010-1)
Testing standard
Contamination degree
Measurement categories indicate in which areas the device can
withstand a transient load from a power circuit without suffering
damage.
Measurement Category CAT II:
Measurement Category CAT III: Circuits in a building's instal-
Measurement Category CAT IV: Circuits at the source of the
®
Testboy Pocket
IP 40
CAT III 300V
IEC/EN 61010-1
2
Electrical circuits with a direct
electrical connection to the
low voltage network, eg.
mains sockets.
lation like wiring cabinets and
fuse boxes.
low-voltage installation like
the home electricity service
connection point for example.
Technical data
45