Made of fine quality material,practical,easy to operate and use,wide application range,has a long service life. ・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 (0-6KΩ),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 (0-10MΩ),continuity/diode,capacitance measurement,DC voltage 600V,AC voltage 600V,NCV non-contact AC voltage detection,clamp flashlight/backlight,data hold,True-RMS,AUTO-LoZ,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,high-definition digital display,fine quality backlight board with high contrast and full screen backlight design Specifications: ・Material: ABS ・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 (Ω): ・CM83A: 0~6000Ω ・CM83B: 0~1KΩ/10KΩ/100KΩ/10MΩ ・Accuracy range: ±1.2%+3digits ・Capacitance: ・CM83A: 0~600μF/6000μF ・CM83B: 0~600μF/6000μF ・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 Celsius Degree (32~104 Fahrenheit); ＜80%RH ・Storage temperature: -10~50 Celsius Degree (14~122 )Fahrenheit; ＜70%RH ・Battery: 2 * AAA battery (not included) ・Item weight: 380g/13.4ounce Package included: ・1 x Clamp Meter ・1 x Pair of 10A Probe ・1 x Bag ・1 x English and Chinese User Manual