SF-80 Frequency Meter Accuracy:Class 0.5 or class 1.0 Voltage:110V,220V,380V,415V,440V Frequency:45-55Hz,45-65Hz...550-650Hz

SF-80 Frequency Meter

1. Accuracy: class 0.5 or class 1.02. Voltage: 110V,220V,380V,415V,440V3. Frequency: 45-55Hz,45-65Hz,55-65Hz,47-53Hz,57-63Hz,450-550Hz,450-650Hz,550-650Hz.

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80 Frequency Meter