UT151F is a stable,high reliability handheld 3 1/2 digital multimeter, the circuit design is based on the double integral A/D conversion of large scale integrated circuit, full function overload protection and unique appearance design, which can test DC and AC voltage, current, resistance, capacitance, diode, battery ,open circuit and access . Moreover, the series mA slot using automatic recovery fuse, even if the wrong operation, users do not need to replace the fuse. It is suitable for measurement of smelting, communication, manufacturing, petroleum, national defense, electric power, chemical industry and other industries. Its an ideal tool for the maintenance and repair of the circuit , power equipment. Features Display Count 1999 Manual Range Diode Test Tansistor Auto Power Off Continuity Buzzer Low Battery Indication Data Hold Input Impedance for DCV 10M