The Gossen Metrawatt profitest prime AC is a test instrument for testing the effectiveness of protective measures in electrical installations per IEC 60364-6, machines and systems per IEC 60204-1, low-voltage switchgear and control gear assemblies per IEC 61439-1, PV systems per DIN EN 62446-1 and electric charging stations per DIN EN 61851-1.

Combined RCD test with continuously rising ramp, time to trip, tripping current
Insulation measurement up to 1000 V with rising ramp
Testing of RCMs and IMDs
Measurement of leakage and differential current
Measurement of temperature and humidity