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MSM/MSN
   
    Features
 
  • True process frequency/ rpm/ speed tate monitor
  • Wide input sensitivity range, 10 mV to 100 V - MSM
  • High accuray of 0.05%
  • 12 V exciting voltage provided
  • 3-4 digits of maximum 9999 conunts
  • Display with wuper rate LED
 
 
 
Specification
  • Accuracy (23 + 3°C) :
    • 0.05% fs + 2 count for model MSM
    • 0.25% fs + 1 count for model MSN
  • Stability :
    • Temp. coeff. < 25 ppm per degree C, long term draft < 0.002% per year for MSM
    • Temp. coeff. < 60 ppm per degree C, long term draft < 0.1% per year for MSN
  • Digits & Display : 0.56" super rate LED, 9999 counts for MSM, 3999 counts for MSN
  • Exciting voltage : 12 Volt with load capability of 25 mA maximum for MSM
  • Response time : Sample rate 1 of per sec. typically
  • Input signal :
    • MSM-Waveform : unipolar or bipolar, & open collector for MSM
    • MSN DC or AC rms, span minimum 100 mV to maximum 1000V
  • Input over : Maximum 250 vrms or 2 time rated which ever great
  • Noise rejection : Cmrr > 120 db, Nmrr > 100 db for MSN vdc input
  • Common mode voltage : 2 KVrms/ 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