Chauvin Arnoux C.A 5233 Notice De Fonctionnement page 31

English
MEASUREMENT CATEGORIES
Definitions of the measurement categories according to standard IEC
61010-1:
CAT I: Circuits not directly connected to the network and specially
protected.
Example: protected electronic circuits.
CAT II: Circuits directly connected to the low-voltage installation.
Example: power supply to household electrical appliances and
portable tools.
CAT III: Power supply circuits in the installation of the building.
Example: distribution panel, circuit-breakers, fixed industrial
machines or devices.
CAT IV: Circuits supplying the low-voltage installation of the building.
Example: power lines, meters, and protection devices.
Français ....................................................................................... 2
Deutsch ........................................................................................ 57
Italiano .......................................................................................... 84
Español ........................................................................................ 111
31 - 138