{"product_id":"xnx-amsv-nnnnn-honeywell-universal-transmitter-mv-sensor-interface","title":"XNX-AMSV-NNNNN Honeywell Universal Transmitter mV Sensor Interface","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMSV-NNNNN Honeywell\u003c\/strong\u003e\u003c\/span\u003e Universal Transmitter delivers reliable field performance for continuous flammable gas monitoring in hazardous industrial plants. Encased in a painted 316 stainless steel housing, this transmitter serves as a heavy-duty millivolt (mV) sensor interface for Sensepoint HT, Model 705, and MPD catalytic detector assemblies. It provides standard analog 4-20mA current loop output embedded with digital HART protocol to support remote diagnostics and seamless Integration into central safety shutdown systems.\u003c\/p\u003e\n\u003ch3\u003eConfiguration Architecture 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 Rating [A]:\u003c\/strong\u003e ATEX \/ IECEx Explosion-Proof Hazardous Location Certified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEntry Ports [M]:\u003c\/strong\u003e 5 x M25 Threaded Cable Entries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing Construction [S]:\u003c\/strong\u003e Marine-Grade Painted 316 Stainless Steel (6.8 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Interface [V]:\u003c\/strong\u003e Millivolt (mV) Input (Sensepoint HT, Model 705, MPD)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Option [N]:\u003c\/strong\u003e No Relays \/ No Bus Options Installed (Base Output Architecture)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocal Interface [N]:\u003c\/strong\u003e Standard Casing (No External Local HART Port Installed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Range [NNN]:\u003c\/strong\u003e Base Transmitter Assembly (Sensor Module Sold Separately)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications \u0026amp; Operating Boundaries\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eEngineering Parameter\u003c\/th\u003e\n\u003cth\u003eField Specification Detail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eHoneywell\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFull Part Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMSV-NNNNN\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eHoneywell XNX Universal Gas Transmitter\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 Transducers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Communication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-20mA Analog Signal with Integrated HART Digital Protocol\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 Gland Entries\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 Weatherproof and Dust-Tight Enclosure Protection\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 Housing Rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmbient Humidity Window\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 99% RH Non-Condensing Operating Limits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Air Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80 kPa to 120 kPa Absolute Pressure Standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUnit Net Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.8 Kg (Heavy-Duty 316 Stainless Steel Enclosure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatible Hardware \u0026amp; Operational Deployments\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 \u0026amp; 705HT\u003c\/strong\u003e\u003c\/span\u003e Catalytic Bead Sensing Elements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eMPD Series Cartridges\u003c\/strong\u003e\u003c\/span\u003e (Combustible Catalytic Bead and Infrared mV Variants).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget Industrial Facilities:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-ambient heat zones such as turbine enclosures, exhaust ducts, and furnace rooms (via remote HT sensors).\u003c\/li\u003e\n\u003cli\u003eOffshore drilling rigs, FPSO vessels, and marine terminals requiring 316SS corrosion immunity.\u003c\/li\u003e\n\u003cli\u003ePetrochemical refineries and hydrocarbon storage skids linked to central Safety Instrumented Systems (SIS).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDiagnostic \u0026amp; Predictive Self-Monitoring Capabilities\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMSV-NNNNN Honeywell\u003c\/strong\u003e\u003c\/span\u003e transmitter features built-in self-testing routines that continuously evaluate microprocessor memory integrity, bridge circuit baseline drift, internal voltage stability, and sensor filament continuity. If a open-circuit sensor coil fault or supply drop occurs, the system immediately shifts its 4-20mA signal to a dedicated fault current (≤2.0mA), broadcasting precise diagnostic codes over the HART link to inform operators before unexpected system trips happen.\u003c\/p\u003e\n\u003ch3\u003eModel Selection Comparison \u0026amp; Engineering Recommendation\u003c\/h3\u003e\n\u003cp\u003eMatching the correct internal personality interface, casing material, and secondary output hardware is essential for plant safety. Below is a technical comparison between the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMSV-NNNNN\u003c\/strong\u003e\u003c\/span\u003e transmitter and the alternative \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/xnx-amse-rhnnn-honeywell-universal-transmitter-electrochemical-sensor-hart-relay\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMSE-RHNNN\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e configuration:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSelection Specification\u003c\/th\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMSV-NNNNN\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.plcsparehub.com\/products\/xnx-amse-rhnnn-honeywell-universal-transmitter-electrochemical-sensor-hart-relay\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMSE-RHNNN\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Personality Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e'V' Personality (mV Bridge for Catalytic Bead \/ MPD)\u003c\/td\u003e\n\u003ctd\u003e'E' Personality (Electrochemical Toxic \/ O2 with IS Barrier)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTarget Gas Category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCombustible Hydrocarbons \/ Flammable Vapors\u003c\/td\u003e\n\u003ctd\u003eToxic Gases (H2S, CO, NH3) and Oxygen Depletion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInternal Hardware Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Base Unit (No Internal Relays Installed)\u003c\/td\u003e\n\u003ctd\u003e3 x SPCO Mechanical Relays Included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLocal Diagnostic Access\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Casing (Internal HART Access)\u003c\/td\u003e\n\u003ctd\u003eIntegrated External Local HART Connection Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePainted 316 Stainless Steel (6.8 kg)\u003c\/td\u003e\n\u003ctd\u003ePainted 316 Stainless Steel (6.8 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eEngineering Advice:\u003c\/strong\u003e Specify the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMSV-NNNNN\u003c\/strong\u003e\u003c\/span\u003e when monitoring flammable hydrocarbon gases in high-temperature environments using millivolt catalytic sensors where all trip logic and relay contacts are handled centrally by an external Safety PLC or DCS. Choose the \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/xnx-amse-rhnnn-honeywell-universal-transmitter-electrochemical-sensor-hart-relay\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMSE-RHNNN\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e when measuring toxic gases or oxygen levels, when local electromechanical relay interlocks (beacons, alarms) must be switched directly from the field unit, or when external plug-in HART access is necessary.\u003c\/p\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eOn a gas turbine retrofitting project, field engineers encountered high thermal stress that degraded standard integral electronics when mounted directly adjacent to exhaust plenums. Replacing those units with the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMSV-NNNNN Honeywell\u003c\/strong\u003e\u003c\/span\u003e transmitter paired with remote-mounted Sensepoint HT sensors completely solved thermal degradation issues. The heavy 316 stainless steel housing provided a sturdy thermal buffer in harsh ambient conditions, while running the 4-20mA HART line back to the main control room ensured continuous real-time diagnostic visibility without requiring extra junction boxes.\u003c\/p\u003e\n\u003ch3\u003eWarranty Terms, Logistics \u0026amp; Fast Shipping\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Condition:\u003c\/strong\u003e 100% Brand New and Original Equipment Supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Guarantee:\u003c\/strong\u003e Standard 12-Month Quality Warranty from dispatch date\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrder Processing Time:\u003c\/strong\u003e Fast handling, shipping within 24 to 48 hours post-payment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpress Global Logistics:\u003c\/strong\u003e Express door-to-door delivery via FedEx, UPS, and DHL networks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Selection \u0026amp; Operational FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of selecting a transmitter configured without internal relay options?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSelecting the 'N' option under hardware reduces internal power consumption, lowers overall module heat generation, and simplifies wiring when all alarm logic, safety interlocks, and voting schemes are executed within a central SIS or Safety PLC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I connect this 'V' personality unit to an electrochemical toxic sensor cartridge?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 'V' personality board provides a millivolt bridge circuit specifically designed for catalytic bead and MPD sensors. Toxic and oxygen electrochemical cells require an 'E' personality board with built-in intrinsically safe galvanic isolation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do technicians perform zero and span calibrations without opening the flameproof enclosure?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUsing a magnetic wand tool against the front glass display window allows operators to navigate calibration menus, perform zero adjustments, and apply span gas non-intrusively in hazardous locations without issuing a hot-work permit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are 5 x M25 entry ports provided on this base model configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFive cable ports allow flexible field wiring strategies, such as separate gland entries for main power, 4-20mA loop signaling, remote sensor cabling, and daisy-chained HART loop connections without using external junction boxes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does HART protocol access work on this model since it lacks an external local HART port?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTechnicians access HART digital communications by clipping an intrinsically safe handheld communicator directly onto the loop signal wires inside the control room junction panel or across field termination blocks.\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":45384090190006,"sku":"XNX-AMSV-NNNNN","price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/XNX-AMSE-NNNNN_2bb14081-478e-4e38-a1a5-a87165aa5e73.jpg?v=1787724623","url":"https:\/\/www.plcsparehub.com\/products\/xnx-amsv-nnnnn-honeywell-universal-transmitter-mv-sensor-interface","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}