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電力轉換器

LPA-Metal Case

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LP系列傳感器設計為高精度和出色的長期穩定性。
對於公用事業而言，該裝置非常有用，包括工業界和實驗室，用於高磁場抗擾度和有功功率測量失真波形。

LPA單相平均電流轉換器帶AO輸出。
  • 最高精度可達0.1% ro
  • 優異的長時間穩定性
  • 出色的性能及溫度特性
  • 寬範圍輸入及輸出選擇
  • 符合ANSI C37.90（1989）和BEAMA No. 219 測試  
  • Accuracy ( 23 ± 3 °C ) : 0.1% RO
  • Maximum output load :
    • DC current mode : maximum 10V drop
    • DC voltage mode : maximum 5mA drive
  • Dielectric strength : AC 2KV 1 minute between terminals; AC 2.6KV 1 minute / terminals to case
  • Surge and impulse test : ANSI C37.90 / 1989, IEC 255-3 (1989) 4KV 1.2 x 50us
  • Maximum input over : Current related input
    • 1A / 5A 
      • 4 x rated / continuous
      • 10 x rated / 10 seconds
      • 50 x rated / 1 second
      • 80 x rated / 0.5 second
    • 10A
      • 2 x rated / continuous
      • 25 x rated / 1 second
      • 50 x rated / 0.5 second
  • Input burden : less 0.2 VA
  • Response time & ripple :
    • ≦ 400 ms for step change 0-99%
    • ripple less 0.5% ro peak to peak
  • Frequency : 45 ~ 400 Hz
  • Stability : Temperature range ( 20 to 30°C ) , long term stability / year
    • Maximum 60 ppm / °C , less 0.2% draft / year typically
  • Storage condition : Temperature range -25 to 70°C , RH 20 to 95% non condensed
  • Operating condition : Temperature range -20 to 65°C , RH 0 to 99% non condensed
  • Magnetic field effect : < 0.01% under 100 ampere turns at 1M center
  • Power dissipation : Maximum 3.5 VA 

認證

  • CE
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