{"product_id":"8444-1091-mfr300-measuring-transducer-woodward","title":"8444-1091 MFR300 Measuring Transducer Woodward","description":"\u003cp\u003eThe \u003cstrong\u003eWoodward 8444-1091\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e8444-1091\u003c\/strong\u003e Multifunction Relay and Measuring Transducer, operates as a dedicated hardware component for single-phase and three-phase power monitoring within MFR300 Series platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e8444-1091\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eWoodward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e273.6 mm x 214.1 mm x 59.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +70 deg C (-4 deg F to +158 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMaximum 5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Input\u003c\/td\u003e\n\u003ctd\u003e12\/24 VDC (8 to 32 VDC operational range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Inputs\u003c\/td\u003e\n\u003ctd\u003e3 true RMS voltage input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Inputs\u003c\/td\u003e\n\u003ctd\u003e3 true RMS current input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\/Current\/Freq Accuracy\u003c\/td\u003e\n\u003ctd\u003eClass 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\/Energy Accuracy\u003c\/td\u003e\n\u003ctd\u003eClass 1 (Real and Reactive)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocols\u003c\/td\u003e\n\u003ctd\u003eCANopen, Modbus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eActuator Loop Feedback Response and Thermal Dissipation Profiles\u003c\/h3\u003e\n\u003cp\u003eOperating across a wide 8 to 32 VDC power supply range, the 8444-1091 samples 3 true RMS voltage and 3 true RMS current channels to provide Class 0.5 precision across electrical variables. Onboard digital signal conditioning minimizes latency to preserve rapid actuator loop feedback response and load-sharing dynamics in engine and generator control loops. Internal board components consume a maximum of 5 W, optimizing thermal heat sink dissipation profiles within the compact 273.6 mm x 214.1 mm x 59.2 mm enclosure across the extended -20 deg C to +70 deg C operating range.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What power supply range is supported by the 8444-1091 auxiliary power input?\u003c\/p\u003e\n\u003cp\u003eA: The module operates on a nominal 12\/24 VDC supply with a wide input tolerance window of 8 to 32 VDC.\u003c\/p\u003e\n\u003cp\u003eQ: What measurement accuracy classes apply to the voltage, current, and power telemetry?\u003c\/p\u003e\n\u003cp\u003eA: Voltage, current, and frequency measurements adhere to Class 0.5 accuracy, while real and reactive power\/energy readings meet Class 1 standards.\u003c\/p\u003e\n\u003cp\u003eQ: Which fieldbus protocols are integrated for supervisory data access?\u003c\/p\u003e\n\u003cp\u003eA: The hardware natively supports CANopen and Modbus communication protocols for telemetry and protection management.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify that all DC power feeds and high-voltage AC sense lines are fully de-energized prior to connecting wiring to the unit.\u003c\/li\u003e\n\u003cli\u003eShort-circuit all secondary current transformer (CT) leads before disconnecting field wiring to prevent dangerous inductive high-voltage hazards.\u003c\/li\u003e\n\u003cli\u003eUtilize twisted-shielded pair conductors for CANopen and Modbus communication buses, routing them clear of high-current power cables.\u003c\/li\u003e\n\u003cli\u003eAttach the module ground conductor directly to the primary panel earth ground bar using short, low-impedance grounding connections.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":50730126115068,"sku":"8444-1091","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/8444-1109.jpg?v=1785203760","url":"https:\/\/www.electronicplc.com\/products\/8444-1091-mfr300-measuring-transducer-woodward","provider":"Electronic PLC","version":"1.0","type":"link"}