{"product_id":"xnx-amai-rhcb1-honeywell-xnx-universal-transmitter-gas-detector-in-stock","title":"XNX-AMAI-RHCB1 Honeywell XNX Universal Transmitter Gas Detector In Stock","description":"\u003ch3\u003e\u003cstrong\u003eProduct Summary \u0026amp; Operational Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAI-RHCB1\u003c\/strong\u003e\u003c\/span\u003e is an industrial-grade gas detection transmitter built by \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eHoneywell\u003c\/strong\u003e\u003c\/span\u003e for high-hazard environments.\u003c\/p\u003e\n\u003cp\u003eBelonging to the proven \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX Universal Transmitter\u003c\/strong\u003e\u003c\/span\u003e family, this unit processes combustible gas signals via an integrated catalytic bead sensor cell.\u003c\/p\u003e\n\u003cp\u003eIt integrates direct relay outputs along with a dedicated local HART interface port for field diagnostics and setup.\u003c\/p\u003e\n\u003cp\u003eDesigned for severe industrial exposure, the heavy-duty enclosure features certified explosion-proof construction with M25 entry threads.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIn offshore gas turbine enclosure installations, signal stability under thermal cycling is vital for plant uptime.\u003c\/p\u003e\n\u003cp\u003eDuring a field retrofit, our technicians deployed the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAI-RHCB1\u003c\/strong\u003e\u003c\/span\u003e to replace aging single-purpose gas monitors.\u003c\/p\u003e\n\u003cp\u003eThe local HART port allowed instrument technicians to perform loop checks directly at the sensor head without opening junction boxes.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eConfiguration Breakdown \u0026amp; Model Nomenclature\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eHoneywell\u003c\/strong\u003e\u003c\/span\u003e \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX Universal Transmitter\u003c\/strong\u003e\u003c\/span\u003e Series Architecture:\n\u003cul\u003e\n\u003cli\u003eApproval Class: \u003cstrong\u003eA\u003c\/strong\u003e — ATEX \/ IECEx Explosion-Proof Certified for Zone 1 and Zone 2\u003c\/li\u003e\n\u003cli\u003eConduit Port Threads: \u003cstrong\u003eM\u003c\/strong\u003e — M25 Standard Threaded Entry Ports\u003c\/li\u003e\n\u003cli\u003eEnclosure Housing Material: \u003cstrong\u003eA\u003c\/strong\u003e — LM25 Marine-Grade Epoxy Painted Aluminum\u003c\/li\u003e\n\u003cli\u003ePersonality Interface Board: \u003cstrong\u003eI\u003c\/strong\u003e — Interface for Searchline Excel, Searchpoint Optima, and standard 4-20mA devices\u003c\/li\u003e\n\u003cli\u003eInternal Option Card: \u003cstrong\u003eR\u003c\/strong\u003e — Built-in Relay Option Board (3 programmable relays)\u003c\/li\u003e\n\u003cli\u003eHART Communication Interface: \u003cstrong\u003eH\u003c\/strong\u003e — Equipped with Local HART Port Interface\u003c\/li\u003e\n\u003cli\u003eTarget Sensor Module: \u003cstrong\u003eCB1\u003c\/strong\u003e — Catalytic Bead Combustible Gas Sensor Cell\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications Matrix\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer Brand\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\u003ePart Number \/ Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAI-RHCB1\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\n\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX Universal Transmitter\u003c\/strong\u003e\u003c\/span\u003e Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensing Technology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCatalytic Bead (Pellistor Element)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Measurement Target\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCombustible Flammable Gases (0 to 100% LEL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLocal Interface Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIS-Qualified Front-Facing Local HART Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAuxiliary Output Contacts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 Relays (Alarm 1, Alarm 2, System Fault)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature Scale\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +65°C (-40°F to +149°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIngress Protection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP66 \/ NEMA 4X Environmental Sealing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Unit Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.4 kg (9.7 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eModel Comparison \u0026amp; Engineering Recommendation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eChoosing between variant models depends on required field outputs and local communication protocols:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAI-RHCB1\u003c\/strong\u003e\u003c\/span\u003e: Includes local HART access port plus integrated relay contacts for direct alarm horn control.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.plcsparehub.com\/products\/xnx-amai-nncb1-honeywell-xnx-universal-gas-transmitter-aluminum\" target=\"_blank\"\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAI-NNCB1\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e: Standard 4-20mA configuration omitting local HART port and output relays.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Selection Advice:\u003c\/strong\u003e Select \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAI-RHCB1\u003c\/strong\u003e\u003c\/span\u003e when field instruments require local handheld communicator connections or independent shutdown relays.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTarget Equipment \u0026amp; Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGas Turbine Enclosures \u0026amp; Mechanical Equipment Rooms:\n\u003cul\u003e\n\u003cli\u003eMonitors flammable gas build-up around fuel valves and high-pressure manifold joints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003ePetrochemical Storage \u0026amp; Pump Stations:\n\u003cul\u003e\n\u003cli\u003eDetects hydrocarbon vapors around pipeline pumps, manifold pits, and processing skids.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompressor House Installations:\n\u003cul\u003e\n\u003cli\u003eProvides local audio-visual warning via direct relay activation during gas release incidents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eAdvanced Diagnostic Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eContinuous element health self-checking alerts system operators to catalytic bead poisoning or drift.\u003c\/li\u003e\n\u003cli\u003eBacklit dot-matrix display presents gas concentration readings, fault codes, and calibration prompts.\u003c\/li\u003e\n\u003cli\u003eLocal HART output enables full predictive maintenance tracking using handheld calibrators.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWarranty Clause \u0026amp; Dispatch Logistics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-Month Comprehensive Warranty:\u003c\/strong\u003e Covers operational defects and hardware performance guarantees.\u003c\/li\u003e\n\u003cli\u003eDispatch Lead Time: Ships globally within 24 to 48 hours from order confirmation.\u003c\/li\u003e\n\u003cli\u003eInternational Shipping Options: Express air delivery handled via FedEx, UPS, or DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the operational benefit of selecting catalytic bead sensing over optical infrared?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Catalytic bead sensors detect hydrogen gas efficiently, whereas infrared sensors cannot detect non-infrared absorbing gases like hydrogen.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the local HART port (H option) simplify routinely scheduled maintenance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Technicians plug a HART communicator directly into the exterior port to read diagnostics without opening the main enclosure cover.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the internal relay contacts drive external alarm sirens directly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The onboard relays provide SPDT dry contacts capable of triggering local beacons, horns, or ventilation fans.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What installation step prevents sensor poisoning in catalytic detector cells?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Avoid using silicone sealants or lubricants near the sensor inlet during installation, as volatile silicones permanently deactivate pellistors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How should I determine whether to specify local HART versus standard 4-20mA configurations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Specify local HART if your calibration workflow relies on handheld field communicators at the transmitter junction site.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/XNX_2.png?v=1787714324\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45386731258038,"sku":"XNX-AMAI-RHCB1","price":118.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/XNX-AMSE-NNNNN_2_7d76940f-243e-4cc5-a50c-32b3d0e25052.jpg?v=1787886260","url":"https:\/\/www.plcsparehub.com\/products\/xnx-amai-rhcb1-honeywell-xnx-universal-transmitter-gas-detector-in-stock","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}