XNX Universal Transmitter

XNX Universal Tansmitter Honeywell

Universal Transimtter that supports a wide range of sensors

The XNXTM Universal Transmitter from Honeywell supports the widest range of sensors including: toxic, oxygen and combustible on a common platform and offers a modular choice of inputs and outputs (saving customers time and money).

There are three versions of the XNX available: Electrochemical, Infrared and Catalytic Bead. (The IR and Electrochemical versions require the purchase of a compatible sensor separately)

Featuring:

  • Flammable gas detection 0 to 100% LFL/LEL
  • Flexible operation options
  • Minimal training required
  • Material: LM25 aluminum, painted (SS316 painted optional)
  • Temperature: -40° to +65°C / -40° to +150°F (sensor dependent)
  • Humidity: 20 to 90% RH (non-condensing) 
  • Explosion Proof Transmitters

 

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XNX's advantage comes from it's simple-to-use, low-maintenance universal platform that works with other safety equipment on a digital bus system, including Honeywell Analytics’ own Searchline Excel, Optima or other gas detectors, industry standard PLCs and third-party gas monitoring controllers. 

Honeywell's XNX - Electrochemical, Infrared and Catalytic Bead gas monitors use standard 4-20mA wiring and HART; options include Modbus, Fieldbus (pending) up to three relays and a local Hart Adapter for configuration and diagnostics using existing HART handheld devices.  

With 200+ unique configurations the XNX satisfies Class 1 / Class 2 intrinsically safe, explosion-proof requirements in upstream/downstream oil, chemical, wastewater and other industries. 

The enclosure is available in stainless steel or aluminum, with a marine-grade coating. Five threaded ports, available in metric or NPT versions, and ruggedised mounting options provide ultimate installation flexibility. 

Instrumentation built on various sensing technologies can be attached locally to the transmitter or remotely with the appropriate accessories.

Options
Sensors
Specifications
Accessories
Downloads

Electrochemical

  • Proven electrochemical sensing technology
  • Surecell™ electrochemical cells are ideal for hot and humid environments
  • Long life sensing cells (typical >2 years)
  • Patented ‘Reflex’ sensing element verification diagnostics
  • Sensor recognition software auto configures transmitter
  • Plug and play factory configured sensors
  • Intrinsically safe sensor connection permits hot swap, reducing down time

Catalytic Bead

  • Supports Honeywell Analytics 705, 705HT, Sensepoint, Sensepoint HT and MPD sensors
  • Fast response to wide range of hydrocarbons and flammables

Infrared (Open Path IR, Point IR, IR Cell)

  • Supports Honeywell Analytics Searchline Excel, Searchpoint Optima Plus
  • Failsafe operation
  • Fast speed of response
  • Reduced routine maintenance
  • Immune to catalytic poisons
  • Long operating life
  • Works in inert atmospheres

XNX Transmitter by Honeywell available Sensors

General Specifications for the XNX Universal Transmitter

For more detailed specifications download the Specificaiton Sheet in Downloads

Material LM25 Aluminum, painted (optional SS 316 painted also available)
Cable Entries  5 conduits/cable entries - (2 right, 2 left, 1 bottom) Available in 3/4" NPT, or M25
Termination Cage Clamp pluggable Terminal Blocks with retaining screws, 0.5 to 2.5mm (12-28 AWG)
Mounting  Integral cast mounting tabs provide secure mounting to surfaces and channel. Can be mounted to 2" to 6" pipe or ceiling with corresponding mounting kit (optional)
User Interface Standard Custom Backlit LCD 2.5" High Resolution DOT Matrix Display. Discrete Alarm adn Status indication. Reliable Non-Intrusive 4 button interface magnet wand access.
Signal 2 - 22mA analog current loop output with HART (version 6) compatible standard. Optional relay or Modbus
Temperature -40°c to +65°c (sensor dependent)
Humidity 20 to 90% RH non-condensing
IP Rating NEMA 4X IP66
Operating Voltage
18 - 24 VDC Nominal (EC & mV units 16 - 32 VDC; IR units 18-32 VDC [Class 2 supply required])
Power Consumption
XNX used with: electrochemical sensor: 6.2 watts, millivolt (catalytic bead or IR cell)" 6.5 watts: point infrared sensor (Searchpoint Optima): 9.7 watts; open-path Infrared (Searchline Excel): 13.2 watts
Hazardous Area Approvals
(Transmitter/Sensor Dependent)
UL, cUL classified: UL 1203 and 913 Seventh edition; CSA, CSA 22.2 No. 30, CSA 22.2 No. 157
Class 1, Division 1, Groups B, C, D / Class 1, Zone 1, Groups IIB + H2 T4 Tamb -40c to 65c
DEMKO* IEC 60079-0, 4th ED; IEC 60079-15th Ed; IEC 60079-11 5th Ed. NCC INMETRO
Type Approval: EX [ia]d IIB + H2 T4 Tamb -40c to 65c

 

 

XNX Transmitter Duct Mounting Kit from Honeywell

XNX Duct mounting kit for Series 3000 and XNX EC toxic sensors

XNX Transmitter Remote Mounting Kit from Honeywell

XNX Remote mounting kit for Series 3000 and XNX EC Toxic sensors

 

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