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Digital frequency meter-tachometer
The EFC-3 cosφ meter is manufactured by Entes and is generally designed for the measurement of the cosφ of networks, which are dependent in industrial plants. On the other hand, the frequency meter is designed to look into the frequency value of the networks in industrial plants.The models under the series do not have a 0 - 1 individual capacity but could work with 20 - 400 Hz power.