HT208A Clamp Meter Portable Digital Current Voltage Tester for Electrical Maintenance Item Type: Clamp Meter Model: HT208A Material: ABS Battery: 3 x 1.5V AAA batteries (battery not included) Purpose: Suitable for laboratory, field measurement, household and high current measurement. Safety: IEC 61010-1, pollution class 2 IEC 61010-2-032: CAT III 1000V / CAT IV 600V IEC 61010-2-033: CAT III 1000V / CAT IV 600V Altitude Work: Approx. 2000m / 6561.7ft Working Environment Temperature and Humidity: 0-40°C (<80%RH, <10° non-condensing) Storage Environment Temperature and Humidity: -10-60℃ (relative humidity 70%, take out the battery) Temperature Coefficient: 0.1x accuracy/℃ (<18℃ or >28℃) Display: 6000 counter reading automatically displays the unit symbol function according to the measured displacement Out of Range Indication: "OL" is displayed. Input Polarity Indication: automatically display "—" Maximum Size of Jaws: Approx. 40mm / 1.6in Automatic Power Off: about 15 minutes Technical Index Range Accuracy DC Voltage 600mV/6V/60V/600V/1000V ±(0.5%+3) AC Voltage 600mV/6V/60V/600V/750V ±(0.8%+3) Alternating Current 60A/600A/1000A ±(2.5%+5) Resistance 600Ω/6kΩ/60kΩ/600kΩ/6MΩ/60MΩ ±(0.8%+3) Capacitance 10nF/100nF/1uF/10uF/100uF/1mF/10mF/100mF ±(3.0%+3) Frequency 10Hz/100Hz/1kHz/10KHz/100KHz/1MHz/10MHz ±(0.5%+5) Temperature -40℃~1000℃ ±(1.0%+2) -40°F~1832°F ±(1.0%+2) Maximum Count 6000 counting Automatic/Manual Mileage Manual/automatic Continuity Test (Acousto-Optic Prompt) √ Diode Test (Buzzer Prompt) √ Data Retention √ NCV Non-Contact Voltage Detection (Acousto-Optic Prompt) √ Back Light √ Flashlight √ DCA ZERO Function √ Low Voltage Indication √ Automatic Shut-Down √ True Effective Value √ VFD Function √ INRUSH Function √ Maximum/MIN Value Measurement √ REL (Relative Value) Measurement √ LowZ √  Duty  Ratio 1%~99% ±(1.0%+2)