{"product_id":"allen-bradley-81000-632-51-r-rtd-sensor-cable-6ft","title":"Allen-Bradley 81000-632-51-R RTD Sensor Cable 6ft","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e81000-632-51-R\u003c\/strong\u003e is a \u003cstrong\u003ePT100 RTD temperature sensor cable assembly\u003c\/strong\u003e manufactured by \u003cstrong\u003eAllen-Bradley (Rockwell Automation)\u003c\/strong\u003e. It provides a \u003cstrong\u003e6-foot (1.8 meter) shielded connection\u003c\/strong\u003e between a PT100 resistance temperature detector and the control system input card. With \u003cstrong\u003e±0.15°C accuracy\u003c\/strong\u003e and a \u003cstrong\u003e-40°C to +150°C\u003c\/strong\u003e sensing range, this assembly delivers precise temperature measurement for process control, motor bearing monitoring, and HVAC applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e PT100 RTD (Resistance Temperature Detector)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Length:\u003c\/strong\u003e 6 feet (1.8 meters)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e -40°C to +150°C (-40°F to +302°F)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±0.15°C (±0.27°F)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResponse Time:\u003c\/strong\u003e \u0026lt; 5 seconds (in moving air)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Construction:\u003c\/strong\u003e Shielded, multi-conductor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e Terminal block or connector (per configuration)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Temperature monitoring in industrial control systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Precision PT100 Element:\u003c\/strong\u003e ±0.15°C accuracy exceeds typical thermocouple performance for critical temperature loops.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Cable Assembly:\u003c\/strong\u003e Pre-wired 6-foot cable eliminates field splicing and reduces installation errors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShielded Construction:\u003c\/strong\u003e Braided or foil shield minimizes EMI pickup from motors, drives, and welders.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Temperature Span:\u003c\/strong\u003e -40°C to +150°C range covers freezing, ambient, and elevated process temperatures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Compatibility:\u003c\/strong\u003e Designed for direct connection to Allen-Bradley RTD input modules.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between a PT100 RTD and a thermocouple?\u003c\/strong\u003e\u003cbr\u003eA: A \u003cstrong\u003ePT100 RTD\u003c\/strong\u003e uses platinum resistance that changes predictably with temperature, offering higher accuracy and stability than thermocouples. Thermocouples measure wider ranges but with lower precision.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many wires does the 81000-632-51-R cable assembly have?\u003c\/strong\u003e\u003cbr\u003eA: PT100 assemblies typically use \u003cstrong\u003e3-wire or 4-wire configurations\u003c\/strong\u003e to compensate for lead resistance. Verify your specific part number suffix or connector type.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I extend the cable beyond 6 feet?\u003c\/strong\u003e\u003cbr\u003eA\u0026gt; Cable extension is possible using \u003cstrong\u003eshielded RTD extension cable\u003c\/strong\u003e of the same gauge. For 3-wire RTDs, maintain equal length and gauge on all three conductors to preserve accuracy.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMount the RTD probe in a \u003cstrong\u003ethermowell or direct immersion\u003c\/strong\u003e point with adequate thread sealant.\u003c\/li\u003e\n  \u003cli\u003eRoute the shielded cable away from \u003cstrong\u003ehigh-voltage AC power cables\u003c\/strong\u003e to prevent induced noise.\u003c\/li\u003e\n  \u003cli\u003eConnect the RTD leads to the \u003cstrong\u003eRTD input module terminals\u003c\/strong\u003e, matching wire colors to module labels.\u003c\/li\u003e\n  \u003cli\u003eGround the cable shield at \u003cstrong\u003eone end only\u003c\/strong\u003e (typically at the PLC chassis) to avoid ground loops.\u003c\/li\u003e\n  \u003cli\u003eVerify temperature reading against a \u003cstrong\u003ecalibrated reference thermometer\u003c\/strong\u003e at a known temperature point.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProbe Style:\u003c\/strong\u003e Select spring-loaded, bayonet, or threaded probe styles based on your thermowell or mounting hole geometry.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWire Configuration:\u003c\/strong\u003e Use 4-wire RTDs for highest accuracy in laboratory or custody-transfer applications. Use 3-wire for standard industrial control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Length:\u003c\/strong\u003e The 6-foot length suits most cabinet-to-process distances. For longer runs, specify custom cable lengths or use junction boxes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImmersion Depth:\u003c\/strong\u003e Ensure the probe tip extends at least 10× the probe diameter into the process fluid for accurate sensing.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53993615524024,"sku":"81000-632-51-R","price":134.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/81000-632-51-Rr270_3dcc2ac4-bc3d-4a70-ab1b-ca63e0eeb6e8.png?v=1787814534","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-81000-632-51-r-rtd-sensor-cable-6ft","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}