Industrial gas detection and safety Inquiry: (8610) 13241121312 · james.liu@gzion.com

Honeywell XNX universal transmitter

Honeywell XNX universal transmitter, compatible with electrochemical, catalytic/MPD, and infrared (Optima Plus/Searchline Excel). Standard …

Honeywell XNX universal transmitter
Honeywell · Fixed gas detector

Honeywell XNX universal transmitter

Honeywell XNX universal transmitter, compatible with electrochemical, catalytic/MPD, and infrared (Optima Plus/Searchline Excel). Standard …

ModelXNX Universal Transmitter
BrandHoneywell
CategoryFixed gas detector
PlatformUniversal transmitter for Honeywell toxic, oxygen and flammable sensing technologies
Personality / inputEC (electrochemical) / mV (catalytic, MPD, Sensepoint, 705) / IR (Optima Plus, Searchline Excel, generic 4-20mA)
Display & operationLarge backlit LCD (bar/numeric/icons), 8 languages incl. Chinese; magnetic wand one-man non-intrusive setup
OutputsStandard 4-20mA + HART; optional relays (×3), Modbus RTU, Foundation Fieldbus; optional local IS HART port
Ingress protectionIP66 / NEMA 4X
Operating temperature-40°C ~ +65°C
Power & consumptionEC/mV: 16–32 VDC; IR: 18–32 VDC (nominal 24 VDC); typical ~6.2–6.5 W (by config)
Housing5-coat painted LM25 aluminium or 316 stainless steel
Cable entries5 entries: ATEX/IECEx M25; UL/CSA 3/4" NPT
WeightAluminium ~2.8 kg; stainless steel ~5 kg
ApprovalsATEX / IECEx / UL / CSA etc.; functional safety up to SIL 2 (by assessed variant)

Product details

Honeywell XNX™ Universal TransmitterUnified multiple gas sensing technologies on a single platform: compatible electrochemistry (toxic gas/oxygen), catalytic combustion and MPD (catalytic/infrared), as well as spot infrared Searchpoint Optima Plus and open-circuit infrared Searchline Excel. Modular input/output and standard HART® communication facilitate integration with gas alarm controllers or industrial PLCs, reducing the variety of extra junction boxes, relays, and spare parts.

Product features

  • Three types of personalities: EC / mV / IR, selecting the best sensing technology based on the site
  • Standard 4-20mA HART; Optional relays (2 alarms, 1 fault), Modbus RTU, Foundation Fieldbus
  • Optional local intrinsic HART port supports hot connection with handheld configurators
  • Large screen backlit LCD (column/number/icon), supports 8 languages including Chinese
  • Magnetic rods can be configured individually without opening the lid, calibrated and tested; Automatically suppresses output during maintenance
  • Electrochemical oxygen/toxic gas sensors are hot-swappable; MPD catalytic/infrared detection units can be replaced on site
  • Integrated installation base plate, optional duct installation, ceiling, and duct installation; 5 cable inlets
  • LM25 aluminum alloy or 316 stainless steel housing, IP66 / NEMA 4X, certified temperature -40°C~65°C

Main technical parameters

  • Power supply: EC/mV version 16–32 VDC; IR version 18–32 VDC (nominal 24 VDC)
  • Power consumption (typical): EC approximately 6.2 W; mV approximately 6.5 W (IR and Optima Plus combo depending on configuration)
  • Cable inlet: ATEX/IECEx is 5×M25; UL/CSA is 5×3/4" NPT
  • Weight: Aluminum alloy approximately 2.8 kg; Stainless steel about 5 kg; Dimensions are approximately 160×197×114 mm
  • Certifications: ATEX, IECEx, UL, CSA, etc.; Functional safety up to SIL 2 (according to evaluation version)

Typical applications

  • Offshore oil and gas production platforms, exploration and extraction, and onshore oil and gas terminals
  • Refinery, petrochemical, gas transportation, and power plants
  • New or renovated projects that require a unified transmitter platform compatible with multiple sensor technologies

Ordering code selection guide

  • Order number form as follows XNX-AMAE-NNNNN: Authentication/Entry/Material/Personality Output options Local HART sensor code
  • Personality:E= Electrochemistry,V= mV (catalytic / MPD),I= Infrared (Optima/Excel)
  • Example:XNX-AMSV-NNCB1 = ATEX M25 stainless steel mV MPD catalytic combustion sensor
  • For installation accessories, EC sensor boxes, MPDs, and optional boards, please refer to this page under "Order Number Selection Reference"

Product information, reliable special invoices, and one-year warranty, supporting spare parts supply and technical disclosure. Welcome to inquire for a quote, model selection, and quotation.

Sensing & gas overview

XNX personalities support electrochemical, catalytic/MPD and IR (point/open-path). Table lists common gases and sensor codes; ask us for full selection.

Gas / technologyTypical rangeSensor code
Oxygen O₂25.0%VolXNXXSO1SS
Hydrogen sulfide H₂S10–500 ppm (ranges)XNXXSH1/2SS
Carbon monoxide CO100–500 ppmXNXXSC1SS
Sulphur dioxide SO₂5–50 ppm (ranges)XNXXSS1/2SS
Ammonia NH₃50–1000 ppm (ranges)XNXXSA1/2SS
Nitrogen dioxide NO₂5–50 ppmXNXXSN1SS
Hydrogen H₂1000 / 10000 ppmXNXXSG1/2SS
Flammable (catalytic / MPD)20–100%LELMPD-AMCB1
Flammable (MPD IR)20–100%LEL / CH₄ %VolMPD-AMIF1 / IV1
Carbon dioxide CO₂ (MPD IR)1–5%VolMPD-AMIC1
Point IR flammable (Optima Plus)Flammable %LELvia XNX IR
Open-path IR (Searchline Excel)LEL·mvia XNX IR

Part number selection

Part format: XNX-(approval/entry/material/personality)-(output)(local HART)(sensor). Personality: E=EC, V=mV (catalytic/MPD), I=IR (Optima/Excel). Output: N=none / R=relay / M=Modbus; local HART: N=none / H=yes. Confirm valid combinations before ordering.

CategoryPart numberDescription
Transmitter configurationXNX-AMAV-NNNNNATEX/IECEx, M25, aluminium, mV personality (catalytic/MPD), no output options
Transmitter configurationXNX-AMAV-NHNNNATEX/IECEx, aluminium mV, with local HART port
Transmitter configurationXNX-AMAV-NRNNNATEX/IECEx, aluminium mV, with relay option
Transmitter configurationXNX-AMAV-NMNNNATEX/IECEx, aluminium mV, with Modbus option
Transmitter configurationXNX-AMAE-NNNNNATEX/IECEx, M25, aluminium, EC personality (toxic/O2), no options
Transmitter configurationXNX-AMAE-NHNNNATEX/IECEx, aluminium EC, with local HART port
Transmitter configurationXNX-AMAE-NRNNNATEX/IECEx, aluminium EC, with relay option
Transmitter configurationXNX-AMAE-NMNNNATEX/IECEx, aluminium EC, with Modbus option
Transmitter configurationXNX-AMAI-NNNNNATEX/IECEx, M25, aluminium, IR personality (Optima/Excel/generic 4-20mA)
Transmitter configurationXNX-AMAI-NHNNNATEX/IECEx, aluminium IR, with local HART port
Transmitter configurationXNX-AMAI-NRNNNATEX/IECEx, aluminium IR, with relay option
Transmitter configurationXNX-AMAI-NMNNNATEX/IECEx, aluminium IR, with Modbus option
Transmitter configurationXNX-AMSV-NNCB1ATEX/IECEx, 316SS, mV, with MPD catalytic flammable sensor
Transmitter configurationXNX-AMSV-NNIF1ATEX/IECEx, 316SS, mV, with MPD IR hydrocarbon (propane)
Transmitter configurationXNX-AMSV-NNIV1ATEX/IECEx, 316SS, mV, with MPD IR methane 0–5%Vol / LEL
Transmitter configurationXNX-AMSV-NNIC1ATEX/IECEx, 316SS, mV, with MPD IR CO2
Transmitter configurationXNX-UTAV-NNNNNUL/CSA, 3/4" NPT, aluminium, mV personality
Transmitter configurationXNX-UTAV-NHNNNUL/CSA, aluminium mV, with local HART
Transmitter configurationXNX-UTAV-NRNNNUL/CSA, aluminium mV, with relays
Transmitter configurationXNX-UTAV-NMNNNUL/CSA, aluminium mV, with Modbus
Transmitter configurationXNX-UTAE-NNNNNUL/CSA, 3/4" NPT, aluminium, EC personality
Transmitter configurationXNX-UTAE-NHNNNUL/CSA, aluminium EC, with local HART
Transmitter configurationXNX-UTAE-NRNNNUL/CSA, aluminium EC, with relays
Transmitter configurationXNX-UTAE-NMNNNUL/CSA, aluminium EC, with Modbus
Transmitter configurationXNX-UTAI-NNNNNUL/CSA, 3/4" NPT, aluminium, IR personality
Transmitter configurationXNX-UTAI-NHNNNUL/CSA, aluminium IR, with local HART
Transmitter configurationXNX-UTAI-NRNNNUL/CSA, aluminium IR, with relays
Transmitter configurationXNX-UTAI-NMNNNUL/CSA, aluminium IR, with Modbus
Transmitter configurationXNX-UTSV-NNNNNUL/CSA, 316SS, mV personality
Transmitter configurationXNX-UTSE-NNNNNUL/CSA, 316SS, EC personality
Transmitter configurationXNX-UTSI-NNNNNUL/CSA, 316SS, IR personality
Accessory1226A0358Pipe mount kit (Ø50–150 mm / 2–6")
Accessory1226A0355Ceiling mount bracket kit
AccessoryS3KRMKRemote EC sensor mounting kit (up to ~15 m)
AccessoryS3KDMKDuct mount kit (for EC sensors)
Accessory1226A0382MPD duct interface adapter (use with S3KDMK)
AccessoryS3KCALCalibration gas flow adapter (XNX EC)
Accessory1226A0411Calibration gas flow adapter (MPD)
AccessorySPPPCCCollecting cone for lighter-than-air gases
Accessory1226A0354Remote gassing / bump-test kit
Accessory02000-A-1640Weatherproof cap (MPD / Sensepoint)
Sensor / MPDXNXXSO1SSReplacement sensor: oxygen O2 25%Vol
Sensor / MPDXNXXSH1SSReplacement sensor: H2S low range (default ~15 ppm)
Sensor / MPDXNXXSH2SSReplacement sensor: H2S high range (default ~100 ppm)
Sensor / MPDXNXXSC1SSReplacement sensor: CO (default ~300 ppm)
Sensor / MPDXNXXSS1SSReplacement sensor: SO2 low range
Sensor / MPDXNXXSS2SSReplacement sensor: SO2 high range
Sensor / MPDXNXXSA1SSReplacement sensor: NH3 low range
Sensor / MPDXNXXSA2SSReplacement sensor: NH3 high range
Sensor / MPDXNXXSL1SSReplacement sensor: chlorine Cl2
Sensor / MPDXNXXSN1SSReplacement sensor: NO2
Sensor / MPDXNXXSG1SSReplacement sensor: hydrogen H2 1000 ppm
Sensor / MPDXNXXSG2SSReplacement sensor: hydrogen H2 10000 ppm
Sensor / MPDXNXXSY1SSReplacement sensor: HCN
Sensor / MPDXNXXSE1SSReplacement sensor: ethylene oxide ETO
Sensor / MPDMPD-AMCB1MPD catalytic bead flammable (%LEL)
Sensor / MPDMPD-AMIF1MPD IR hydrocarbon (propane, %LEL)
Sensor / MPDMPD-AMIV1MPD IR methane (%LEL / %Vol)
Sensor / MPDMPD-AMIC1MPD IR carbon dioxide CO2
Option board / portXNX-RELAYField-installable relay option board (2 alarm + 1 fault)
Option board / portXNX-MODBUSField-installable Modbus RTU option board
Option board / portXNX-HART-PORTOptional local IS HART port

How to order

For model selection, calibration accessories or bulk quotes, call (8610) 13241121312 or use the inquiry form.

Related products