{"product_id":"mtl-mtl5581-millivolt-thermocouple-isolator","title":"MTL MTL5581 Millivolt\/Thermocouple Isolator","description":"\u003cp\u003eThe \u003cstrong\u003eMTL MTL5581\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eMTL5581\u003c\/strong\u003e Isolator, serves as the primary \u003cstrong\u003eMTL5581\u003c\/strong\u003e Millivolt\/Thermocouple Isolator utilized to execute electrical isolation and signal conditioning of low-level analog potentials across hazardous and safe area barriers. It passes microvolt-tier sensor voltages natively at the termination tier to communicate thermal telemetry parallel to master control network 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\u003eMTL5581\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eMTL Instruments (Eaton)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited Kingdom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.25 lbs (Approx. 0.11 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e1-Channel Millivolt \/ Thermocouple Isolator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Range\u003c\/td\u003e\n\u003ctd\u003e0 to 50 mV DC input \/ output range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSource Compatibility\u003c\/td\u003e\n\u003ctd\u003eAny DC millivolt source or thermocouple type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Resistance\u003c\/td\u003e\n\u003ctd\u003e60 ohm internal output resistance profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Loop\u003c\/td\u003e\n\u003ctd\u003e20 to 35 VDC supply voltage range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Width\u003c\/td\u003e\n\u003ctd\u003e16 mm compact enclosure footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Configuration\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN-rail mounting stability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Network \u0026amp; Barrier Integration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntrinsic Safety (Ex i) Barriers and Galvanic Separation:\u003c\/strong\u003e The isolator is built with strict intrinsic safety (Ex i) barriers that isolate hazardous area field terminals from safe area control loops. This galvanic separation restricts fault energy from transferring into volatile process zones, preventing sparks or thermal failure modes from breaching field enclosures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN-Rail Mounting Stability and High Packing Density:\u003c\/strong\u003e The 16 mm wide housing ensures rigid DIN-rail mounting stability within standard Marshalling panels. This compact design allows multiple modules to snap side-by-side, maximizing rail space and keeping the signal conditioning layout tightly grouped.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurge Voltage Protection Limits and Low Noise Retention:\u003c\/strong\u003e The internal power and signal paths have specific surge voltage protection limits to block line transients. By filtering high-voltage spikes, the module protects low-level 0 to 50 mV loops from electromagnetic noise interference, preserving signal integrity across long sensor wire runs.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MTL Instruments","offers":[{"title":"Default Title","offer_id":45133404307571,"sku":"MTL5581","price":410.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-06-25_11-16-10.png?v=1782358011","url":"https:\/\/www.dcssupplier.com\/products\/mtl-mtl5581-millivolt-thermocouple-isolator","provider":"DcsSupplier Limited","version":"1.0","type":"link"}