REED CLAMP METER, AC/DC, TRMS   True RMS measurements 3-3/4 digit LCD with high-speed, 42-segment bar graph Features: Max/Min and Data Hold functions Peak Hold function Frequency measurement Diode and continuity test with beeper Polarity and overload indications Auto or manual ranging Auto power-off Low battery indication Conforms to EN61010 1000V Cat. II, 600V Cat. III What's Included: TL-88-1 test leads, 6AM6X battery and CA-05A carrying case Specifications: Functional Specifications Current Range: 40A, 400A, 1000A AC/DC Resolution: 0.01A, 0.1A, 1A AC/DC Accuracy: AC: ±(1.9% rdg. +5 dgt.); DC: ±(2.5% rdg. +10 dgt.) Voltage Range: AC: 400V, 750V; DC: 400V, 1000V Resolution: 0.1, 1V AC/DC Accuracy: AC: ±(1.5% rdg. +5 dgt.); DC: ±(1% rdg. +2 dgt.) Resistance Range: 400Ω, 4000Ω Resolution: 0.1Ω, 1Ω Accuracy: ±(1% rdg. +3 dgt.) Frequency Range: A & V: 4kHz, 10kHz Resolution: 1Hz, 10Hz Accuracy: A-Hz: ±(0.1% rdg. +1 dgt.) (20Hz-10kHz); V-Hz: ±(0.1% rdg. +1 dgt.) (10Hz-10kHz) Continuity Range: < 100Ω Test Current Range: 1.7 mA max. General Specifications Power Supply: Single 9V battery Battery Life: Approx. 100 hours Jaw Opening: 40mm Dimensions: 242 x 66 x 36mm (9.5 x 2.6 x 1.4") Weight: 400g (10 oz)