{"product_id":"spxcdulnrfd-honeywell-sensepoint-xcd-fixed-gas-detector-transmitter","title":"SPXCDULNRFD Honeywell Sensepoint XCD Fixed Gas Detector Transmitter","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eEngineered for hazardous industrial environments, the \u003cstrong\u003eSPXCDULNRFD\u003c\/strong\u003e transmitter represents a core variant of the \u003cstrong\u003eSensepoint XCD\u003c\/strong\u003e series by \u003cstrong\u003eHoneywell\u003c\/strong\u003e. Designed for remote flammable gas detection, this \u003cstrong\u003eSPXCDULNRFD\u003c\/strong\u003e unit operates reliably under extreme conditions ranging from \u003cstrong\u003e-40 °C to +65 °C\u003c\/strong\u003e. Built within a rugged epoxy-painted LM25 aluminum alloy housing rated at \u003cstrong\u003eIP66\u003c\/strong\u003e, it delivers precise 4-20 mA current outputs and robust relay integration to protect critical facility infrastructure.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specification Matrix\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eEngineering Parameter\u003c\/th\u003e\n\u003cth\u003eOperational Specification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand \/ Manufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eHoneywell\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSPXCDULNRFD\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eSensepoint XCD\u003c\/strong\u003e Gas Detection Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDevice Classification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFixed Gas Detector Transmitter (Remote Flammable Detector)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e16 to 32 VDC\u003c\/strong\u003e (\u003cstrong\u003e24 VDC\u003c\/strong\u003e nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Power Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e5 W\u003c\/strong\u003e (Max over range current up to \u003cstrong\u003e22.0 mA\u003c\/strong\u003e)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Output Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSink or source, \u003cstrong\u003e4-20 mA\u003c\/strong\u003e (\u003cstrong\u003e0-22 mA\u003c\/strong\u003e extended range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelay Configurations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 x Form C relays (\u003cstrong\u003e5 A at 250 VAC\u003c\/strong\u003e), programmable NO\/NC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure \u0026amp; IP Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEpoxy painted blue LM25 aluminum alloy, \u003cstrong\u003eIP66\u003c\/strong\u003e rating\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\u003cstrong\u003e-40 °C to +65 °C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHumidity Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eContinuous \u003cstrong\u003e20-90% RH\u003c\/strong\u003e; Intermittent \u003cstrong\u003e0-99% RH\u003c\/strong\u003e (Non-Condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal \u0026amp; Conduit Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18 x screw terminals (20AWG to 14AWG), 3 x \u003cstrong\u003e3\/4\" NPT\u003c\/strong\u003e entries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Pressure Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e90 to 110 kPa\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhysical Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4.4 lbs\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical Installation Protocol\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the \u003cstrong\u003eSPXCDULNRFD\u003c\/strong\u003e transmitter securely onto vertical structural supports or walls using robust brackets within classified hazardous zones.\u003c\/li\u003e\n\u003cli\u003eRoute field wiring through the three \u003cstrong\u003e3\/4\" NPT\u003c\/strong\u003e conduit entries, terminating individual conductors into the 18 screw terminals supporting \u003cstrong\u003e20AWG to 14AWG\u003c\/strong\u003e wire sizes.\u003c\/li\u003e\n\u003cli\u003eVerify that the DC power supply maintains a steady voltage between \u003cstrong\u003e16 to 32 VDC\u003c\/strong\u003e prior to energizing the unit.\u003c\/li\u003e\n\u003cli\u003eEnsure enclosure sealing gaskets remain undamaged to preserve the \u003cstrong\u003eIP66\u003c\/strong\u003e environmental protection rating against moisture and dust ingress.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommissioning and Operational Maintenance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfigure the onboard programmable relays for normally open (NO) or normally closed (NC) operational logic depending on your emergency shutdown scheme.\u003c\/li\u003e\n\u003cli\u003eMonitor 4-20 mA loop feedback signals to verify that calibration gas responses align correctly with expected sensor output scaling.\u003c\/li\u003e\n\u003cli\u003eInspect terminal blocks and conduit seals periodically during routine plant turnarounds to prevent environmental corrosion.\u003c\/li\u003e\n\u003cli\u003eStore spare units within the safe temperature bracket of \u003cstrong\u003e-25 °C to +65 °C\u003c\/strong\u003e when not deployed in active service loops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSystem Compatibility and Integration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFully compatible with standard industrial control systems and safety PLCs accepting \u003cstrong\u003e4-20 mA\u003c\/strong\u003e analog current loops.\u003c\/li\u003e\n\u003cli\u003eInterfaces seamlessly with remote alarm panels and emergency ventilation systems via its three high-capacity \u003cstrong\u003e5 A\u003c\/strong\u003e relays.\u003c\/li\u003e\n\u003cli\u003eDesigned for direct integration into existing brownfield or greenfield gas monitoring safety architectures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFulfillment, Warranty, and Logistics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e One \u003cstrong\u003eSPXCDULNRFD\u003c\/strong\u003e gas detector transmitter unit and installation manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Coverage:\u003c\/strong\u003e Backed by an exhaustive \u003cstrong\u003e12-month\u003c\/strong\u003e replacement and repair warranty covering manufacturing flaws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Services:\u003c\/strong\u003e Rapid worldwide fulfillment within \u003cstrong\u003e24-48 hours\u003c\/strong\u003e via \u003cstrong\u003eFedEx\u003c\/strong\u003e, \u003cstrong\u003eUPS\u003c\/strong\u003e, and \u003cstrong\u003eDHL\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTarget Industrial Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUpstream oil and gas extraction platforms and downstream refining complexes.\u003c\/li\u003e\n\u003cli\u003eChemical processing plants handling combustible solvent vapors.\u003c\/li\u003e\n\u003cli\u003eWastewater treatment biogas generation and distribution facilities.\u003c\/li\u003e\n\u003cli\u003eHeavy manufacturing plants utilizing flammable industrial gases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvanced Diagnostic Architecture\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eContinuous internal health monitoring tracks loop integrity and flags abnormal power consumption anomalies.\u003c\/li\u003e\n\u003cli\u003eOver-range current capability up to \u003cstrong\u003e22.0 mA\u003c\/strong\u003e provides distinct diagnostic status differentiation from standard operational gas readings.\u003c\/li\u003e\n\u003cli\u003eSolid-state protection features safeguard against electrical surges and transient voltage spikes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the SPXCDULNRFD transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSPXCDULNRFD\u003c\/strong\u003e serves as a fixed gas detector transmitter designed for remote monitoring of combustible and flammable gases in harsh industrial environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow are external alarm devices connected to this transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe unit features three programmable onboard relays rated at \u003cstrong\u003e5 A and 250 VAC\u003c\/strong\u003e, which can be wired as normally open (NO) or normally closed (NC) to trigger external horns or strobes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this transmitter operate in sub-zero outdoor conditions?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, it features an operating temperature range extending from \u003cstrong\u003e-40 °C to +65 °C\u003c\/strong\u003e, making it fully suitable for cold outdoor industrial climates.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat wire gauges are compatible with the terminal blocks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe internal terminal strip includes 18 screw terminals engineered to accept wire sizes ranging from \u003cstrong\u003e20AWG to 14AWG\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should I consider when selecting a gas transmitter for explosive atmospheres?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen purchasing safety instrumentation, always verify that the housing material (such as epoxy-painted LM25 aluminum), IP rating (\u003cstrong\u003eIP66\u003c\/strong\u003e), and power supply tolerances (\u003cstrong\u003e16 to 32 VDC\u003c\/strong\u003e) match the exact hazardous area classification of your plant site.\u003c\/p\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight \u0026amp; Field Experience\u003c\/h3\u003e\n\u003cp\u003eDeploying fixed gas detectors like the \u003cstrong\u003eSPXCDULNRFD\u003c\/strong\u003e in offshore oil and gas facilities often presents severe challenges regarding salt-spray corrosion and electrical interference. During a recent compressor station safety upgrade, our engineering team encountered erratic signal fluctuations on a long analog cable run. Investigation revealed that ungrounded conduit shields were picking up high-frequency electromagnetic noise from nearby variable frequency drives. By isolating the shield properly at the controller end and ensuring the transmitter housing maintained a solid earth ground through its mounting bolts, we eliminated loop noise and stabilized the \u003cstrong\u003e4-20 mA\u003c\/strong\u003e output, securing continuous compliance for the plant's \u003cstrong\u003eSIL\u003c\/strong\u003e safety loop.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/SPXCDALMO1.png?v=1782378610\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":47534076985526,"sku":"SPXCDULNRFD","price":325.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/SPXCDALMO1_25c264a7-62c8-41cf-a898-9573dfdc7335.jpg?v=1789888579","url":"https:\/\/www.plcsparehub.com\/products\/spxcdulnrfd-honeywell-sensepoint-xcd-fixed-gas-detector-transmitter","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}