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MRF
   
    Features
 
  • True process frequency/rpm/speed rate monitor
  • Wide input sensitivity range from 10 mV to 100V
  • Rangeable of display scale for 4 digital rate setting
  • High accuracy of 0.02%
  • 12 or 24V exciting voltage provided
  • 4 digits of maximum 9999 counts
  • Display with super rate LED
 
 
 
Specification
  • Accuracy (23 + 3°C) : 0.05% fs + 1 count
  • Stability : Temperature coefficient < 40 ppm per degree °C, long term draft<0.002% per year
  • Digits & Display : 0.56" super rate LED, maximum 9999 counts
  • Configuration : Programmable rate function of 4 digital resolution 0.0001 to 0.9999
  • Exciting voltage : Selectable 12 & 24 voltages with load capability of 25 mA maximum
  • Response time : Sample rate 1 of per sec typically
  • Input Signal :
    • Sensitivity : 10mV to 100V
    • Waveform : periodical of unipolar or bipolar of voltage type or open collector.
  • Input discriminator : 10mV to 5V adjustable
  • Input over : Maximum 250 Vrms for voltage input
  • Com. made voltage : 2KVrms / 1 minute, 50 / 60 Hz
  • Operating condition : -10 to 55°C, 0-99% RH non-condensed
  • Storage condition : -25 to 70°C
  • Auxiliary power : AC + 5% < 3.5 VA, DC + 20% < 5 watts