Product Description Completely safe clamp Ergonomic, over-molded housing provides comfortable one-handed operation Large, easy-to-read display with 0.1A resolution Accurate readings with True RMS: 600/1000A auto-ranging Long battery life: Safety Standard: IEC 61010-1 CAT IV 300V / CAT III 600V Specifications Operates as follows: 600.0/1000A (auto-ranging) AC V: 600.0V DC V: 600.0V 32Ω 600.0Ω/6.000kΩ (auto-ranging) Continuity test buttons: 600Ω (beeper sounds below 90Ω) Conductor size: Max. 33mm diameter Applicable Standards: IEC 61010-1 CAT IV 300V, CAT III 600V Pollution Degree 2 IEC 61010-031, IEC 61010-2-032, IEC 61010-2-033, IEC 61326-2-2 (Electromagnetic Compatibility) International Standard, IEC 60529 IP40 Standard, EN 50581 (Restriction of Hazardous Substances) Standard Power Source: R03/LR03 (AAA) (1.5V) × 2 Continuous measurement time: Approx. 170 hours (when using R03) (Automatic power saving: Approx. 10 minutes) Dimensions: 204 (L) × 81 (W) × 36 (D) mm Weight: Approx. 220g (including batteries) Included Accessories: 7066A (Test leads) 9079 (Carrying case) R30 (AAA) × 2, Instruction Manual