{"product_id":"xnx-amsv-rnnnn-honeywell-xnx-gas-transmitter-316ss-relay-atex","title":"XNX-AMSV-RNNNN Honeywell XNX Gas Transmitter 316SS Relay ATEX","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMSV-RNNNN Honeywell\u003c\/strong\u003e\u003c\/span\u003e Universal Transmitter delivers robust, multi-gas sensing coverage engineered specifically for high-temperature and combustible gas detection environments. Built with a painted 316 stainless steel housing, this unit operates as a high-reliability interface for millivolt (mV) sensor inputs, including Sensepoint HT, Model 705, and Multi-Purpose Detector (MPD) assemblies. It integrates directly into safety shutdown loops via dual-output architectures: standard 4-20mA with HART protocol and three fully configurable internal SPCO relays.\u003c\/p\u003e\n\u003ch3\u003eProduct Architecture \u0026amp; Configuration Breakdown\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eHoneywell XNX Series Platform\u003c\/strong\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproval Type [A]:\u003c\/strong\u003e ATEX \/ IECEx Hazardous Area Certified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Entry [M]:\u003c\/strong\u003e 5 x M25 Threaded Entries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing Material [S]:\u003c\/strong\u003e Marine-grade Painted 316 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Personality [V]:\u003c\/strong\u003e mV Input Interface (Sensepoint HT, Model 705, MPD)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Option [R]:\u003c\/strong\u003e 3 x Form \"C\" SPCO Alarm\/Fault Relays Installed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocal Interface [N]:\u003c\/strong\u003e No Local External HART Port Installed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Range [NNN]:\u003c\/strong\u003e Base Transmitter Assembly (Sensor Sold Separately)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Specifications Matrix\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eTechnical Parameter\u003c\/th\u003e\n\u003cth\u003eField Specification Standard\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand \u0026amp; Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eHoneywell XNX Universal Transmitter\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFull Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMSV-RNNNN\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Signal Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMillivolt (mV) Bridge Signal for Catalytic Bead and IR Sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Output Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-20mA Analog Signal with Integrated HART Protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSecondary Relay Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 Form \"C\" SPCO Contacts (2 Alarm, 1 Fault) @ 250VAC 5A \/ 24VDC 5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–100% LEL \/ Target Sensor Specific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1% LEL Digital Communication Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLinearity \u0026amp; Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLinear 4-20mA Output; T90 Response Time Sensor Dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNoise Immunity (EMC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEN 50270 Industrial Electromagnetic Compatibility Standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIngress Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP66 Enclosure Rating (NEMA 4X equivalent)\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-40°C to +65°C (-40°F to +149°F) Base Transmitter Rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 99% RH non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80 kPa to 120 kPa Absolute Pressure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhysical Unit Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.8 Kg (Solid Stainless Steel Housing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatible Hardware \u0026amp; Field Application Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Sensor Hardware:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eSensepoint High Temperature (HT)\u003c\/strong\u003e\u003c\/span\u003e Combustible Gas Sensors\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eModel 705\u003c\/strong\u003e\u003c\/span\u003e High-Temperature Catalytic Bead Detectors\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eMPD Series\u003c\/strong\u003e\u003c\/span\u003e Catalytic and Infrared Millivolt Cartridges\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget Industrial Applications:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eTurbine enclosures, exhaust ducting, and high-ambient heat zones up to 150°C (via remote HT sensors).\u003c\/li\u003e\n\u003cli\u003eOffshore FPSOs, drilling rigs, and coastal LNG regasification terminals requiring 316SS corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eStandalone safety isolation skid systems leveraging direct relay contact interlocks without external PLCs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDiagnostic \u0026amp; Predictive Monitoring Capabilities\u003c\/h3\u003e\n\u003cp\u003eThe internal diagnostic engine on the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMSV-RNNNN Honeywell\u003c\/strong\u003e\u003c\/span\u003e transmitter actively continuously samples internal supply voltage, memory checksums, sensor loop continuity, and bridge zero stability. In the event of a damaged sensor filament, low voltage condition, or signal drift, the unit instantly forces the 4-20mA signal into a dedicated fault state (≤2.0mA) and drops the dedicated internal Fault Relay contact, allowing control room operators to intercept failures before process safety trip thresholds are breached.\u003c\/p\u003e\n\u003ch3\u003eModel Selection Comparison \u0026amp; Engineering Recommendation\u003c\/h3\u003e\n\u003cp\u003eSelecting the correct model configuration is critical for long-term field stability. Below is a side-by-side comparison between the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMSV-RNNNN\u003c\/strong\u003e\u003c\/span\u003e and the alternative \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/xnx-amav-nhnnn-honeywell-aluminum-transmitter-best-price\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAV-NHNNN\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e transmitter configuration:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSelection Feature\u003c\/th\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMSV-RNNNN\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.plcsparehub.com\/products\/xnx-amav-nhnnn-honeywell-aluminum-transmitter-best-price\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAV-NHNNN\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePainted 316 Stainless Steel (6.8 kg)\u003c\/td\u003e\n\u003ctd\u003ePainted LM25 Marine-Grade Aluminum (2.8 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelay Capability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 x Mechanical SPCO Relays Included\u003c\/td\u003e\n\u003ctd\u003eNo Relays Installed (Loop-Powered Only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLocal Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Housing (No External HART Port)\u003c\/td\u003e\n\u003ctd\u003eIntegrated Local External HART Port Included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Entry Access\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 x M25 Threaded Entries\u003c\/td\u003e\n\u003ctd\u003e5 x M25 Threaded Entries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eEngineering Advice:\u003c\/strong\u003e Choose the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMSV-RNNNN\u003c\/strong\u003e\u003c\/span\u003e for severe corrosive atmospheres (such as marine spray zones or acid vapor exposure) or when local electromechanical interlocks (horns, beacons, automatic valve closures) must be driven directly by the transmitter. Conversely, select the \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/xnx-amav-nhnnn-honeywell-aluminum-transmitter-best-price\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAV-NHNNN\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e if weight reduction is crucial, local hand-held HART technician access is preferred on the unit exterior, and all alarm processing is handled entirely by a central DCS\/PLC system.\u003c\/p\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eDuring a retrofit commissioning project on a gas turbine enclosure, our automation team encountered persistent signal trip faults on a competitor's transmitter due to high ambient heat radiation breakdown. Replacing the standard assemblies with the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMSV-RNNNN Honeywell\u003c\/strong\u003e\u003c\/span\u003e combined with a remote-mounted Sensepoint HT sensor resolved the false tripping completely. The heavy 316 stainless steel casing acts as an excellent thermal buffer, and utilizing the 5th M25 cable gland for auxiliary relay wiring simplified the local shutdown wiring loop significantly without needing an extra junction box.\u003c\/p\u003e\n\u003ch3\u003eWarranty, Logistics \u0026amp; Ordering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Condition:\u003c\/strong\u003e 100% Brand New and Original Factory Supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Coverage:\u003c\/strong\u003e Comprehensive 12-Month Quality Guarantee from dispatch date\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrder Processing Time:\u003c\/strong\u003e Ships within 24 to 48 hours post-payment verification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpress Global Logistics:\u003c\/strong\u003e Direct fast shipping via FedEx, UPS, and DHL Express networks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Selection \u0026amp; Application FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary advantage of choosing an 'mV' personality transmitter over an Optima interface model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 'V' (mV) personality is specifically tailored to process analog bridge resistance signals from high-temperature catalytic beads and MPD sensors, allowing you to monitor harsh areas (up to 150°C) where standard electronic optical transmitters cannot physically survive.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this unit include the local external HART socket on the bottom of the housing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The model code designates 'N' under Local HART, meaning it does not feature the external plug-in port. HART protocol remains fully accessible internally across the main 4-20mA field wiring terminals or handheld device interface clips.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the internal relay contacts to trigger a local beacon and horn directly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 'R' option provides three SPCO contacts rated for 250VAC 5A \/ 24VDC 5A, allowing direct switching of power to local alarm horns or strobe lights without requiring external interposing relays.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of having 5 x M25 cable entry ports on this enclosure?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHaving 5 ports accommodates incoming main power, analog 4-20mA loop signaling, relay output wiring multi-core cables, and direct connections to remote sensors without needing separate external explosion-proof junction boxes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I perform routine zero and span gas calibrations on this transmitter model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUse the magnetic wand tool on the front glass display glass face to navigate the internal LCD menu. This allows field technicians to execute non-intrusive zero and span adjustments in hazardous zones without opening the flameproof 316SS enclosure.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/XNX.png?v=1787714324\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45384027504822,"sku":"XNX-AMSV-RNNNN","price":217.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/XNX-AMSE-NHNNN_3ea01096-4d5c-44a3-84a2-d2014a09a3e6.jpg?v=1787715197","url":"https:\/\/www.plcsparehub.com\/es\/products\/xnx-amsv-rnnnn-honeywell-xnx-gas-transmitter-316ss-relay-atex","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}