Description : Mastech MS8268 AC DC Ohm Frequency Auto Range Digital Multimeter Brand Name : MASTECH Model Number : MS8268 Measuring Voltage Range : 400 mV ~ 750 V Measuring Capacitance Range : 4 nF ~ 200 μF Measuring Current Range : 400 μA ~ 10 A Measuring Resistance Range : 400 Ω ~ 40 MΩ Operating Temperature : 0 ~ 40 C (32 ~ 104 F) General Specifications : Display: 3 3\/4 digits LCD with 4000 counts Sampling Rate: approx. 3 times \/ second Test Leads: 1KV 10A Safety Standards: IEC1010-1, CAT. III 600V & CAT. II 1000V Operating Temperature: 0 ~ 40 C (32 ~ 104 F) Operating Humidity: below 80% RH, less than 10 C non-condensing Storage Temperature: -10 ~ 60 C (14 ~ 140 F) Storage Humidity: below 80% RH Power: 3 x 1.5V AAA batteries (included) Dimensions: 195 mm x 92 mm x 55mm (7.68' x 3.62' x 2.17' inch) Weight: Approx.380g (including battery) (13.40oz) Electrical Specifications : Accuracy is ± (percentage of reading + number of digit) at (18 ~ 28) C, 0 ~ 75% RH. DC Voltage Range Accuracy Resolution 400 mV ± (0.7% + 2d) 0.1 mV 4 V 1 mV 40 V 10 mV 400 V 100 mV 1000 V ± (0.8% + 2d) 1 V Input impedance : 10 MΩ Max. input voltage : 1000 V DC or 750 V AC rms AC Voltage Range Accuracy Resolution 400 mV ± (3.0% + 3d) 0.1 mV 4V ± (0.8% + 3d) 1 mV 40 V 10 mV 400 V 100 mV 750 V ± (1.0% + 3d) 1 V Input impedance : 10 MΩ Frequency response : 4 V range : 40~200 Hz; other range : 40Hz ~ 1kHz Max. input voltage : 1000 V DC or 750 V AC rms Response : average, calibrated in rms of sine wave DC Current Range Accuracy Resolution 400 μA ± (1.2% + 3d) 0.1 μA 4000 μA 1 μA 40 mA 0.01mA 400 mA 0.1mA 10 A ± (2.0% + 5d) 10 mA Overload protection : 10A range : F 10A \/ 250V fuse, μA and mA range : Resettable fuse(F400mA \/ 250V) Max input current : 10A range : 10A DC or 1