AC/DC Current Clamp with Battery-powered Hall-effect probe measures 1 A to 1000 A, The Fluke i1010 AC/DC current clamp is highly reliable, measures 1A to 1000A and provides accurate current reading without breaking the circuit. This clamp measures both AC and DC current with a large jaw, battery-powered Hall-effect probe that gives access to difficult to reach areas. Compatible with most Fluke multimeters., Operating Temperature: (-10C to +50C) (14F to 122F) . Storage Temperature: (-20C to +60C) (-4F to +140F). Relative Humidity: 0 % to 95 % (0 C to 30 C), 0 % to 75 % (30 C to 40 C), 0 % to 45 % (40 C to 50 C). Operating Altitude: 0 m 2000 m . Non-operating Altitude: 0 m 12000 m . Bandwidth: 10 KHz. Output level(s): 1 mV/A. Safety Rating: CAT III, 600V. Battery Type: 9 V (alkaline) NEDA 1604 IEC 6F22 . Battery life: 60 hrs typical (continuous with alkaline). Warranty: 1 year. Output cable length: 1.6 m. Size: (209 x 78 x 48) mm (3.09 x 8.21 x 1.87) inch. Weight: 0.5 kg.