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MW/MK
   
    Features
 
  • True power system design complaints ANSI-IEEE, IEC & VDE standards
  • High over capability to assure reliable operation
  • Available of 3-3/4 & 4-1/2 digits
  • High accuracy of 0.5% & 0.25%
  • Distorted waveform signal measurement
  • Display with super rate LED
 
 
 
 
 
Specification
  • Accuracy (23 + 3°C)
    • 0.5% fs or 5 cts. which ever great:MWX, MWY,MWZ, MWQ,MKX,MKY,MKQ(3-3/4 digits)
    • 0.25% fs + 1 count: MWX4,MWY4,MWZ4,MWQ4,MKY4,MKZ4,MKQ4 (4-1/2 digits)
  • Stability
    • Temperature coefficient < 60 ppm per degree °C
    • Long term draft < 0.2% per year
  • Digits & counts
    • 3-3/4 digits 3999 counts maximum, 4-1/2 digits 19999 counts maximum
  • Display
    • 0.56" super rate LED
  • Response time
    • Sample rate 1 pf per sec typically
  • Input over
    • Current input: 3 time rating-continuous, 10 time rating-30sec, 25 time rating-3sec
    • Voltage input: maximum continuous 750V or 1.5 rating which ever great
  • Frequency
    • Watt version norminal + 5Hz
    • Var version norminal + 0.5 hz < 0.2% change for 0.1 Hz deviated of center frequency
  • Creat factor
    • Normally < 3, MW.. series only
  • Waveform
    • 3rd 30% for watt version only
  • Dielectric strength
    • 2.5 KV rms / 1 minute, all terminals to reference ground (case)
    • 2 KV rms / 1 minute, input terminals to power terminals
  • Surge test
    • ANSI C37.90.1/1989, IEC 255-3 (1989)
  • impulse voltage
    • Impulse voltage 1.2 * 50 us 4 KV
    • Oscillation Wave 0.5us-100KHz 3KV or 1MHz-0.25 ms 2.5 KV
  • Operating condition
    • Operating temperature range -10 to 55°C, 0-99% RH non-condensed
  • Storage condition
    • Storage -25 to 70°C, 20-99% RH non-condensed
  • Auxiliary power
    • AC + 15% < 6 VA, DC + 20% < 6 watts