... +86 1500 133 6788General Description: MT-921 is 3 1/2 digital clamp meter with steady performance, safety and reliability, full ... , the rest input through the test lead, all ranges are auto-ranging and can test AC Voltage,DC Voltage,Resistance,Diode ... /200~400A(Auto Range) ±(3%+20)/ ±(2%+5)AC Voltage600V(Auto Range)±(1.0%+3)DC Voltage600V(Auto Range)±(1.0%+2)Resistance20MΩ(Auto Range)±(1 ...