The Greenlee CMT-90 (50121235) True-RMS AC Automatic Clamp Meter, 600A AC, 1000V AC/DC, is a hand-held testing device with the following measurement capabilities: AC and DC voltage, AC current, and resistance. It also verifies continuity. The CMT-90 is a true RMS-reading meter.
The CMT-90 has data hold capability. It automatically determines measurement function based on input. Its display automatically illuminates for easy viewing in dark areas.