Hioki CM4371 - Measurement Categories

7
Safety Notes
Measurement categories
This instrument conforms to the safety requirements for CAT III 1000 V, CAT IV 600 V
measuring instruments.
T
Outlet
Internal wiring
Distribution panel
Service entrance
Service drop
CAT IV
(≤600 V)
Power meter
CAT III
(≤1000 V)
Fixed installation
CAT II
(≤1000 V)