{"product_id":"pqm-ii-ge-power-quality-meter","title":"PQM-II GE Power Quality Meter","description":"\u003cp\u003eThe \u003cstrong\u003eGE PQM-II\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePQM-II\u003c\/strong\u003e Power Quality Meter, operates as a dedicated hardware component for power monitoring, current\/voltage waveform analysis, and system metering within electrical distribution automation systems.\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\u003ePQM-II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE \/ GE Multilin\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\u003e3.56 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e90-300 VDC \/ 70-265 VAC (50\/60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Type\u003c\/td\u003e\n\u003ctd\u003e40 Character Alphanumeric Display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003ePanel Mountable Enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMetering Inputs\u003c\/td\u003e\n\u003ctd\u003e3-Phase Voltage and Current Measurement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocols\u003c\/td\u003e\n\u003ctd\u003eSerial RS485 Modbus RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity and Firmware Flash Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe PQM-II integrates internal microprocessor control to process high-speed line sampling, phase angles, and total harmonic distortion metrics. Communication interfaces route data across serial networks to feed master control automation systems without degrading processing throughput. Onboard microcode maintains strict firmware flash compatibility across network nodes, ensuring stable register polling and preventing packet queueing latencies during transient power disturbance logging.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What power supply range does the PQM-II support for control power?\u003c\/p\u003e\n\u003cp\u003eA: The internal universal power supply operates from 90-300 VDC or 70-265 VAC at 50\/60 Hz.\u003c\/p\u003e\n\u003cp\u003eQ: Can the PQM-II be replaced or serviced while the primary current loops are energized?\u003c\/p\u003e\n\u003cp\u003eA: No. Secondary CT (current transformer) leads must be shorted using standard shorting blocks before disconnecting terminal wiring from the back of the unit to prevent lethal high-voltage open-circuit conditions.\u003c\/p\u003e\n\u003cp\u003eQ: How are power quality metrics displayed locally on the meter unit?\u003c\/p\u003e\n\u003cp\u003eA: Local real-time data, fault indications, and system parameters are displayed on the front-panel 40-character alphanumeric display.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eCut the designated mounting opening in the switchgear panel door and insert the PQM-II enclosure from the front.\u003c\/li\u003e\n\u003cli\u003eSecure the mounting brackets to the sides of the meter casing and torque the retaining screws evenly against the panel door frame.\u003c\/li\u003e\n\u003cli\u003eEstablish a low-impedance connection from the chassis earth ground terminal to the panel ground bus bar using a short 12 AWG copper wire lead.\u003c\/li\u003e\n\u003cli\u003eRoute 90-300 VDC \/ 70-265 VAC control power wiring to the power terminals through a dedicated external circuit breaker or fuse block.\u003c\/li\u003e\n\u003cli\u003eTerminate CT secondary lines to the current measurement terminals, verifying phase sequence (A, B, C) and current transformer polarity markings before powering up.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":53271473684789,"sku":"PQM-II","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/PQM-II.png?v=1786501282","url":"https:\/\/www.5gplc.com\/products\/pqm-ii-ge-power-quality-meter","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}