Made of fine quality material, practical, easy to operate and use, wide application range, has a long service life. Features: Useful function, fast response, simple operation, anti-burn design. CM83 series digital clamp meter meets different levels of measurement. CM83A function: manual range, 600A AC current, resistance measurement (0-6K), continuity/diode, capacitance measurement, DC voltage 600V, AC voltage 600V, NCV non-contact AC voltage detection, clamp flashlight/backlight, data hold. CM83B function: auto range, 600A AC current, resistance measurement (0-10M), continuity/diode, capacitance measurement, DC voltage 600V, AC voltage 600V, NCV non-contact AC voltage detection, clamp flashlight/backlight, data hold, True-RMS, AUTO-VLoZ, RCD leakage current protection check, variable frequency current measurement. Can be used in a variety of test environments: electromechanical maintenance, air conditioning repairing, electrical maintenance, education and training. 30mm jaw opening, more practical. LCD large screen, digital display, fine quality backlight board with high contrast and full screen backlight design. Specifications: Material: ABS Color: black Model: CM83A, CM83B (optional) AC current (A): CM83A: 0~6A/60A/600A CM83B: 0~1A/10A/100A/600A Accuracy range: 3.0%+6digits AC voltage (V): CM83A: 0~100V/600V CM83B: 0~100V/600V Accuracy range: 1.0%+3digits DC voltage (V): CM83A: 0~100V/600V CM83B: 0~100V/600V Accuracy range: 0.8%+3digits Resistance (): CM83A: 0~6000 CM83B: 0~1K/10K/100K/10M Accuracy range: 1.2%+3digits Capacitance: CM83A: 0~600F/6000F CM83B: 0~600F/6000F Accuracy range: 4.0%+5digits Display counts: CM83A: 6000 counts CM83B: 10000 counts Manual/auto range: CM83A: manual range CM83B: auto range Continuity/diode: CM83A: auto distinguish CM83B: auto distinguish NCV (non-contact): CM83A: yes CM83B: yes Clamp flashlight: CM83A: yes CM83B: yes Backlight: CM83A: yes CM83B: yes Auto power off: CM83A: yes CM83B: yes Data hold: CM83A: yes CM83B: yes True-RMS: CM83A: no CM83B: yes RCD test: CM83A: no CM83B: leakage current switch protection test AUTO-VLoz: CM83A: no CM83B: low impedance voltage measurement VFD: CM83A: no CM83B: variable frequency current test Frequency: CM83A: no CM83B: test frequency with AC current range Working environment: 0~40 (32~104); 80%RH Storage temperature: -10~50 (14~122); 70%RH Battery: 2 * AAA battery (not included) Item weight: 380g / 13.4ounce Package size: 200 * 75 * 35mm / 7.9 * 3.0 * 1.4in Package weight: 440g / 1.0lb Package List: 1 * Clamp Meter 1 * Pair of 10A Probe 1 * Bag 1 * Use Manual