Vibrating Reed Frequency Meter Vibrating Reed Frequency MeterVibrating Reed Frequency Meter Volt.:50V,100V,220V,380V,440V Frequency:45~55Hz,45~65Hz,55~65Hz,47~53Hz,57~63Hz,44~56Hz......Vibrating Reed Frequency Meter1. Model1) One Row of reed Model: SD-R96, SD-R72> Frequency meters with one row of horizontal reeds are used to measure frequencies ranging from 45Hz to 65Hz. Vertical arrangement is ...