Usted esta en:
UMWH400/UMKH400
   
    Features
 
  • Programmable for PT & CT ratio
  • True power system design compliant : ANSI-IEEE, IEC & VED standards
  • High over capability
  • 7 digits counter
  • High accuracy of 0.2%
  • Distorted waveform signal measurement
  • Display with super rate LED
 
 
 
Specification
  • Accuracy (23 + 3°C) : 0.2% rd / PF (PF = coscØ for WH version;PF = sinØ for VarH version)
  • Output pulse :
    • Photo couple isolator, open collector 300V
    • 150mA maximum for 1 / 10 / 100 pulse / unit
  • Ratio setting :
    • PT ratio, range 1.0 - 5000.0
    • CT ratio, range 1.0 - 5000.0
  • Stability :
    • Temperature range -10 to +50°C, maximum 70ppm/°C
    • Digits & counts : Seven (7) digits 9999999 counts maximum
  • Response time : Conversional rate less 1 sec typically
  • Input burden : 0.2VA maximum per input element
  • Input over :
    • Current input : 2 * rating continuous, 25 * rating - 2 sec, 50 * rating - 1 sec
    • Voltage input : 1.5 * rating continuous
  • Dielectric strength :
    • 2.5KVrms / 1 minute, all terminals to FG
    • 2KVrms / 1 minute, between input / output / power
  • Impulse and surge :
    • ANSI/IEEE C37.90.1 - 1989 (3KV) SWC
    • IEC 61000-4-12 classIII SWC
    • IEC 61000-4-4 classIV SWC
    • IEC 61000-4-5 classIV Impulse
  • Operating condition :
    • Operating temperature range -25 to 60°C, RH 0 to 95% non-condensing
    • Storage temperature range -40 to 80°C, RH 0 to 95% non-condensing
  • Power supply :
    • Lo : DC 20 - 60V
    • Hi : AC 80-260V @40 - 70Hz, DC 80 - 330V, Dissipation maximum : 10 VA for AC and 5 Watt for DC