{"product_id":"dual-channel-hart-isolator-mtl4544-4-20ma-transmitter","title":"Dual Channel HART Isolator MTL4544 4-20mA Transmitter","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eMTL4544 is a dual-channel intrinsically safe isolator for 2-wire or 3-wire 4–20 mA\/HART transmitters located in hazardous areas. It provides transmitter power and repeats the 4–20 mA signal to the safe area while maintaining full HART transparency.\u003c\/p\u003e\n\u003ch3\u003eKey Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChannels: 2 independent\u003c\/li\u003e\n\u003cli\u003eSignal: 0–24 mA (4–20 mA nominal) with HART\u003c\/li\u003e\n\u003cli\u003eTransmitter supply: 16.5 V at 20 mA per channel\u003c\/li\u003e\n\u003cli\u003eSafe-area load: Up to 450 Ω @ 20 mA class\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±15 µA at 20 °C class\u003c\/li\u003e\n\u003cli\u003ePower dissipation: Approx. 1.4 W @ 24 V DC\u003c\/li\u003e\n\u003cli\u003eMounting: MTL4500 backplane\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual independent HART-compatible channels\u003c\/li\u003e\n\u003cli\u003ePowers and isolates hazardous-area transmitters\u003c\/li\u003e\n\u003cli\u003eFast response for process control\u003c\/li\u003e\n\u003cli\u003eCertified for Zone 0 \/ Div 1 applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels?\u003c\/strong\u003e 2.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHART?\u003c\/strong\u003e Yes, transparent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply?\u003c\/strong\u003e 16.5 V @ 20 mA per channel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMounting Steps\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInstall the module on the MTL4500 backplane.\u003c\/li\u003e\n\u003cli\u003eWire the hazardous-area transmitters and safe-area loads.\u003c\/li\u003e\n\u003cli\u003eConnect system power.\u003c\/li\u003e\n\u003cli\u003eVerify loop current and HART communication.\u003c\/li\u003e\n\u003cli\u003eCheck isolation and status indicators.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eBuying Advice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for dual-channel HART transmitter interfaces.\u003c\/li\u003e\n\u003cli\u003eConfirm load resistance and power budget.\u003c\/li\u003e\n\u003cli\u003eUseful spare for MTL4500 analogue input isolators.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":50404520493194,"sku":"MTL4544","price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/2818\/2154\/files\/MTL4544_2_85c63fd0-e035-4dcf-ba1d-b0a6af0a6a9b.jpg?v=1791613060","url":"https:\/\/www.cambiaplc.com\/products\/dual-channel-hart-isolator-mtl4544-4-20ma-transmitter","provider":"Controlix Automation","version":"1.0","type":"link"}