... , high overload, low power consumption, long life , high stablity. the meter is very popular by customers. Type and meaning Type and ... .5, Potential action: the ammeter's rotor turns without exceeding one cycle when its line has no electric current and the ... ,peak value:6kV, no damage permitted under 10 times test. meter can withstand 2kV(circuit to earth, under 45~65Hz,1 ...