Metrix MTX204 Manual De Instrucciones página 26

Alternating current.
Direct current.
AC or DC
Fuse (FUSED)
Capacitor, capacitance
Diode
Resistance
Important instruction.
1.1.2. Definitions of the measurement categories
Measurement category II corresponds to measurements taken on circuits directly
connected to low-voltage installations.
Example: power supply to domestic electrical appliances and portable tools.
Measurement category III corresponds to measurements on building installations.
Example: distribution panel, circuit-breakers, machines or fixed industrial devices.
Measurement category IV corresponds to measurements taken at the source of low-
voltage installations.
Example: power feeders, meters and protection devices.
24