The Fluke 312 economical 1000 A digital AC clamp meter features triple current ranges with ultra-fine 0.01 A resolution for both light-load leakage and heavy equipment current tests. With average responding measurement, it is designed for routine pure sine mains power circuits in residential and property maintenance. Equipped with full basic multi-meter functions including 750 V AC / 1000 V DC voltage, 4 kΩ resistance, continuity and diode test, plus 1 ms peak capture and Min/Max logging to quickly record transient surge currents. The standard 36 mm jaw fits most wiring inside distribution cabinets, with CAT II 1000 V high-voltage safety protection. Powered by a single 9 V battery for long runtime, rugged construction and 1-year factory warranty, it is the ideal basic AC tester for entry-level electricians and property maintenance technicians.