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Woodward 8271-391

Product Name: Real Power Sensor (High-Precision Type)

Product Introduction: A high-accuracy three-phase real power sensor for generator load monitoring and control. It measures voltage and current to produce a 4–20 mA signal proportional to kilowatt load, designed for use with Woodward 2301D and 505D controllers.

Detailed content

Technical Specifications:
  • Power Supply: 95–130 VAC or 190–260 VAC, 50/60 Hz
  • Voltage Input: 80–150 VAC or 160–300 VAC
  • Current Input: 5 A CT secondary
  • Output Signal: 4–20 mA (kW proportional)
  • Accuracy: ±0.2% full scale
  • Power Factor Range: 0.2 leading to 0.2 lagging
  • Operating Temperature: -40 °C to +85 °C
  • Weight: 1.5 kg

    Functional Features:

  • Precision three-phase real power (kW) measurement
  • 4–20 mA isolated output for load monitoring and control
  • Compatibility with leading/lagging power factors (0.2–1.0)
  • Internal power supply eliminates external DC needs
  • Compact design for panel mounting
  • High noise immunity for industrial environments

    Application Scenarios:

  • Generator load monitoring and metering
  • Steam/gas turbine power control systems
  • Industrial generator set protection systems
  • Marine propulsion power management
  • Oil and gas field power generation monitoring

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