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  • MF, power frequency meter, really designed for power system use, provides wide input sensing voltage range from 30 V to 600 V, very accurate & stable conversion with a crystal heart, high resolution to 0.01Hz unit. The unit guarantees accuracy & reliable long term stability.
  • True power system designing, the unit specification compliants ANSI-IEEE, IEC, VDE standards providing full protecting for surge & unusual over input.