8444-1091 woodward DCS Measuring Transducer

• Brand
  woodward
• Model
  8444-1091
• Product Name
  MFR300 Series Industrial Multifunction Measuring Transducer
• Place of Origin
  United States
• HS Code
  8543709990
• Dimensions
  146 mm × 128 mm × 50 mm
• Weight
  0.3 kg
• Operating Temperature
  -40 °C to +85 °C
• Storage Temperature
  -40 °C to +125 °C
• Power Supply
  24VDC
• Warranty
  12 MONTH
• Product Status
  NEW AND ORIGINAL

Voltage & Current Specifications of Woodward 8444-1091 (MFR300)

1. Power Supply Parameters

Operating power supply: 85–264 V AC / 90–150 V DC

Power frequency: 47–63 Hz

Maximum power consumption: ≤ 15 W

2. Voltage Measuring Input

Rated phase-ground voltage: 150 V AC / 600 V AC (dual range)

Rated phase-phase voltage: 120 V AC / 690 V AC

Maximum continuous phase-phase voltage: 150 V AC / 862 V AC

Measuring linear range: 1.3 times rated voltage

Input resistance: 0.21 MΩ / 0.7 MΩ (by range)

Measurement accuracy: Class 0.5

3. Current Measuring Input

Standard rated input current: 1 A / 5 A (selectable)

Measuring linear range: 3 times rated current

Loop burden: ＜0.15 W per channel

Measurement accuracy: Class 0.5

4. Surge Withstand

Rated surge withstand voltage: 2.5 kV / 4.0 kV  

Woodward 8444-1091 Complete protection function

Overvoltage/undervoltage protection 

Overfrequency/Underfrequency Protection 

Voltage asymmetry protection 

Overload protection

Forward/reverse load protection 

Load imbalance protection 

Phase shift protection 

Overcurrent protection 

Frequency change rate protection 

Ground fault protection

Voltage reactive power linkage monitoring (QV monitoring)

Voltage surge monitoring

Time series undervoltage monitoring can be freely configured to adapt to fault ride through (FRT) scenarios

Woodward 8444-1091 Product functional characteristics

Equipped with 3 channels for true RMS voltage acquisition and 3 channels for true RMS current acquisition

The measurement accuracy of voltage, frequency, and current reaches level 0.5

The accuracy of active power, reactive power, and electric energy measurement is level 1

Trip and control action thresholds support custom settings

The independent delay time of each alarm can be adjusted, with a range of 0.02~300.00 seconds

Equipped with 4 customizable conversion relay outputs

Reserve one dedicated relay for equipment readiness status

Relay action logic switchable configuration

Built in 2 sets of active energy metering counters, with a maximum measuring range of 10 ¹ ² kWh

Built in 2 sets of reactive energy metering counters, with a maximum measuring range of 10 ¹ ² kWh

Supports CANopen and Modbus dual communication protocols

Provide multiple configuration interfaces: CAN bus RS-485、 Debugging service port (USB/RS-232)

Working power supply specification: DC 24V

• 
  8444-1091 woodward datasheet PDF
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