Voltmeter:1>Measuring the alternative voltage with frequency ranging from 15Hz to 100Hz. 2> these meters indicate true RM

Voltmeter

     Specifcation:

Name:  Moving Iron AC VoltmetersType:   SD-670Size(mm): 71X61Accuracy:  2.5 Specification:  3V 5V 10V 15V 20V 25V 30V 50V 75V 100V 120V 150V 200V 250V 400V 450V 500V Note:  450V-450KV use external Voltage Transformer with secondary voltage is 100V or 110V.Mounting:  Surface mounting and Bezel mounting.

   The series of Voltmeter indicate true RMS values and are substantial independent of system wave form. They are accurate, clear-scaled, durable, and safe-using.

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Moving Iron Instrments AC Voltmeter