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電力轉換器

SPV-Metal Case

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HC SP系列設計使用堅固的鋼製外殼，具有良好的抗電磁干擾能力及較高的電氣過載能力。是具有穩定可靠的量測單元，適用於現場操作及實驗室。

SPV電壓轉換器具有自供電源模式，無須額外配置電源。適用於一個電壓的平均均方根轉換輸出。
  • 自供電模式
  • 0 to 1 mAdc 標準輸出
  • 精確為0.25% 讀值 + 0.02% 範圍值
  • 具有抗高磁場干擾能力 
  • 符合IEEE SWC 測試標準
  • Accuracy : 0.25% RD + 0.02%RO / 23 ± 3 °C
  • Input ( each element ) :
    • Range : Effective voltage 0 - 165V ; nominal voltage 120V
    • Over capability : 200V continuous 250V ... 10sec / hour; 300V ... 5sec / hour
    • Burden : Voltage < 3VA at 120V input
    • Frequency : 50 - 70Hz
    • Protection : Full protection for SURGE, EMI & RFI
  • Output ( isolated with input ) :
    • Range :
      • Standard DC 0 to + 1mA
      • DC 0 to +1mA calibration vs 0 to 150V
    • Output load : Maximum 10Kohm for 0 to 1 mA output
    • Output impedance > 30 Mega ohm
    • Response time < 400 ms from 0 to 99% RO at operating
    • Ripple < 0.5% P-P RO
    • Long term stability < 0.1% RO per year ( typically )
    • Temperature stability < 0.01% per degree C, from 0 to 55°C
    • Adjustment : Span ±5% / 10% on request ; zero ... none
    • Protection : No damage ... open or short; full protection for SURGE, EMI, & RFI
    • Magnetic effect < 0.04% at center 400 A-T / M
  • Operation condition
    • Temperature Environment : -5 ~ 60 °C
    • Humidity : 20~99% RH non condensed
    • Elevation : Under 3000 meters
    • Magnetic Field : 500 A-T / M
    • Waveform : Sinusoidal
    • Dielectric strength : 4KV AC rms 1 minute between input / output / power / case; fulfills IEC688 standards
    • Impulse Test: ANSI C37.90 / 1989, IEEE 587 / 1983, IEC255-3, 6KV (1.2 * 50 us), 3KA (8 * 20 us) ..... current only
    • Surge Test (ring wave) : IEEE 587 / 1983 (3KV - 0.5 us / 100 KHz), IEC255-3 (2.5KV - 0.25ms / 1MHz)
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