Panel Meter Size:72 *72 Frequency Panel Meter 1.Accuracy: class 1.5 2.Voltage: 110V,220V,380V,415V,440V 72 Frequency Meter (analog meter)(1)Accuracy: class 0.5 or class 1.0(2)Voltage: 110V,220V,380V,415V,440V(3)Frequency: 45-55Hz,45-65Hz,55-65Hz,47-53Hz,57-63Hz,450-550Hz,450-650Hz,550-650Hz zhejiang wenzhou moving coil ammeter meter Panel Meter Size:72 *72 Frequency Panel Meter