The Compliance West GF-30AC is a production line workhorse. This GF-30AC delivers a constant AC current while checking impedence. This unit protects product under test as internal current limiting prevents over-current excursions. The test results are indicated by red and green LED's, audible buzzer on failure V=IRtual voltage sense circuit compensates for any resistance in both the test leads and AC power cord. This unit is ideal for TUV, NEMKO and CE production line testing.