{"product_id":"allen-bradley-2085-irt4-analog-input-module-reliable-delivery","title":"2085-IRT4 | Allen-Bradley Micro850 4-Channel Thermocouple\/RTD Input Module (Isolated, TC\/RTD)","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"0\" data-end=\"451\"\u003eThe Allen-Bradley 2085-IRT4 is a Micro850 expansion input module designed for temperature measurement using thermocouple and RTD sensors. It provides four input channels with isolation between the field wiring and the controller, ensuring safe and stable signal acquisition. Featuring built-in digital filtering and multi-type sensor compatibility, the 2085-IRT4 delivers accurate temperature data for industrial monitoring and control applications.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLCs\/Machine Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2085-IRT4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExpansion I\/O Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermocouple\/RTD Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRTD \u0026amp; Thermocouple (TC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported TC Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eB, C, E, J, K, L, N, R, S, T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported RTD Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePt100\/Pt200 (0.00385 \u0026amp; 0.003916), Ni618\/Ni672, Cu427\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003emV Input Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–100 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResistance Input Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–500 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannel Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRTD: ±0.2–0.6°C; TC: ±0.5–3°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannel Update Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12–500 ms per enabled channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;10 MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 V (reinforced) channel-to-system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBus Current Draw (5 VDC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e160 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBus Current Draw (24 VDC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e–20 to +65°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e–40 to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5–95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVibration Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 g, 10–500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShock (Operating)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShock (Non-Operating)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 g (panel) \/ 35 g (DIN rail)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHealth Indicator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 green LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.75 × 3.54 × 3.42 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About 2085-IRT4\u003c\/h4\u003e\n\u003cp data-start=\"590\" data-end=\"1074\" class=\"\"\u003eThe 2085-IRT4 is part of the Allen-Bradley Micro850 series of expansion modules, engineered to add high-resolution temperature sensing capability to Micro800 controllers. The module supports multiple thermocouple types—including B, C, E, J, K, L, N, R, S, and T—as well as a wide range of RTD types such as Pt100, Pt200, Ni618, Ni672, and Cu427. While each channel is individually configurable, the module does not provide channel-to-channel isolation, though reinforced isolation from the system ensures electrical protection. Typical applications include thermal process control, equipment monitoring, environmental regulation, and precision temperature feedback for OEM machine designs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"1085\" data-end=\"1102\"\u003eKey Features:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFour Temperature Inputs: Supports RTD and thermocouple inputs with 16-bit resolution.\u003c\/li\u003e\n\u003cli\u003eIsolated Field Interface: Reinforced isolation between module wiring and the controller.\u003c\/li\u003e\n\u003cli\u003eWide Sensor Compatibility: Accepts multiple TC types (B, C, J, K, T, etc.) and RTD types (Pt, Ni, Cu).\u003c\/li\u003e\n\u003cli\u003eDigital Filtering: Provides noise rejection for stable temperature measurements.\u003c\/li\u003e\n\u003cli\u003eHigh Accuracy: RTD accuracy ±0.2 to ±0.6°C; TC accuracy ±0.5 to ±3°C depending on type.\u003c\/li\u003e\n\u003cli\u003eFlexible Ranges: Includes mV and resistance input capability for specialty sensors.\u003c\/li\u003e\n\u003cli\u003eCompact DIN-Rail Design: Small footprint for Micro850 panel installations.\u003c\/li\u003e\n\u003cli\u003eIndustrial Environment Ratings: Withstands shock, vibration, and –20 to +65°C operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 2085-IRT4 delivers the reliability and precision required for multi-channel temperature monitoring in Micro850 automation systems.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":47597635567914,"sku":"2085-IRT4","price":417.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/2085-IRT4.webp?v=1708960922","url":"https:\/\/iqelectro.com\/products\/allen-bradley-2085-irt4-analog-input-module-reliable-delivery","provider":"IQElectro","version":"1.0","type":"link"}