{"product_id":"ge-pqm-t20-c-a-pqm-ii-series-industrial-power-quality-meter","title":"GE PQM-T20-C-A PQM II Series Industrial Power Quality Meter","description":"\u003ch2\u003eGE PQM-T20-C-A PQM II Power Quality Meter\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGE PQM-T20-C-A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePQM-T20-C-A\u003c\/strong\u003e Power Quality Meter, operates as a dedicated hardware component for electrical parameter monitoring and harmonic distortion capture within SCADA and energy management platforms. The unit processes 32-bit digital signal sampling across 90 to 600 V L-L potential inputs and 0.1 to 20 A current inputs, executing real-time calculation of power factor, demand, and harmonic spectrum up to the 50th order.\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-T20-C-A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE\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\u003e3.0 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e96 x 96 x 75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eApproximately 20 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Class\u003c\/td\u003e\n\u003ctd\u003e0.5S accuracy class\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Power Supply\u003c\/td\u003e\n\u003ctd\u003e20 to 60 VDC or 20 to 48 VAC (50\/60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Input Range\u003c\/td\u003e\n\u003ctd\u003e90 to 600 V L-L via VT scaling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Input Range\u003c\/td\u003e\n\u003ctd\u003e0.1 to 20 A via CT scaling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Inputs\u003c\/td\u003e\n\u003ctd\u003e1 channel (4-20 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Outputs\u003c\/td\u003e\n\u003ctd\u003e4 isolated channels (programmable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Inputs\u003c\/td\u003e\n\u003ctd\u003e4 discrete switch inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Outputs\u003c\/td\u003e\n\u003ctd\u003e4 programmable output relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Interface\u003c\/td\u003e\n\u003ctd\u003eRS-485 Modbus RTU (rear) \/ RS-232 (front)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Interface\u003c\/td\u003e\n\u003ctd\u003eModbus TCP\/IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaveform Memory\u003c\/td\u003e\n\u003ctd\u003e10,000 event log buffer with disturbance capture\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 \u0026amp; Firmware Flash Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe GE PQM-T20-C-A utilizes deterministic Modbus TCP\/IP and RS-485 Modbus RTU protocols to ensure rapid data transmission across industrial communications buses. The internal micro-controller executes real-time harmonic analysis and waveform capture without introducing latency to control output relays or analog telemetry loops. Field-upgradable firmware flash compatibility ensures continuous protocol harmonization across updated SCADA software revisions, while maintaining high I\/O density scaling through integrated discrete inputs and isolated analog outputs.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the PQM-T20-C-A capture rapid line voltage disturbances and harmonics?\u003c\/p\u003e\n\u003cp\u003eA: The meter continually digitizes incoming voltage and current waveforms, storing up to 10,000 timestamped disturbance events and calculating Total Harmonic Distortion (THD) and Total Demand Distortion (TDD) up to the 50th order.\u003c\/p\u003e\n\u003cp\u003eQ: What auxiliary supply voltage must be supplied to power the PQM-T20-C-A unit?\u003c\/p\u003e\n\u003cp\u003eA: The internal power supply board requires a control voltage source rated between 20 to 60 VDC or 20 to 48 VAC at 50\/60 Hz, consuming roughly 20 VA during active operation.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 4-20 mA analog outputs be mapped directly to power parameters?\u003c\/p\u003e\n\u003cp\u003eA: Yes, all four onboard isolated analog outputs can be independently configured in software to retransmit measured parameters such as real power, phase current, or frequency to downstream control systems.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the PQM-T20-C-A into a standard DIN 96 x 96 mm panel cutout, tightening the side-mounting brackets securely against the enclosure door. Ensure adequate rear clearance for terminal block wiring and RS-485\/Ethernet communication cables.\u003c\/p\u003e\n\u003cp\u003eWire current transformer (CT) secondary leads using twisted-pair wiring shorting blocks to prevent open-circuit high-voltage hazards during maintenance. Connect the metal enclosure shield wire to a single-point low-impedance earth ground stud to prevent common-mode noise interference on sensitive analog input and output loops.\u003c\/p\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":43876836016227,"sku":"PQM-T20-C-A","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/227_a1136e55-0eb0-4bf1-95aa-7ae2d96e2f07.jpg?v=1765177153","url":"https:\/\/www.autocontrolglobal.com\/products\/ge-pqm-t20-c-a-pqm-ii-series-industrial-power-quality-meter","provider":"AutoControl Global","version":"1.0","type":"link"}