BSDIE ACM24 Smart Mini AC Digital Clamp Meter Electronic Tester Meter BSDIE Smart AC Digital Clamp Meter With NCVFeatures:The instrument shall be re-calibrated at an interval of one year under the conditions of 18 -28 and relative humidity of less than 75%.Specifications:The instrument is designed to automatically select measurement functions and measuring ranges.Full range overload protection.Allowable max voltage between terminal to be measured and ground:600V DC or 600V ACWorking weight: Max. 2000mDisplay unit: LCDMax display value: 6000 numbersPolarity indication: automatic indication.-indicates negative polarity.Over range indication:0L or -0LSampling rate: approximately 3 times per secondUnit display: to display functions and electric quantityAutomatic shut-down time:10 minutesPower supply: 1.5V AAA battery 2Battery under-voltage indication: LCD display symbolTemperature coefficient: less than0.1x accuracy/Working temperature:18 28Storage temperature:-10 50