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Honeywell Explosion-Proof XNX Universal Transmitter XNX-AMSV-NNIF1

Honeywell Explosion-Proof XNX Universal Transmitter XNX-AMSV-NNIF1


XNX-AMSV-NNIF1—XNX transmitter, HART over 4-20m output, ATEX/IEC approved, 5 x M25 entries, painted 316 stainless steel, including MPD IR flammable (propane) sensor 0-100%LEL


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Honeywell Explosion-Proof XNX Universal Transmitter XNX Gas Detector XNX-AMSV-NNIF1

XNX Stainless Steel Transmitter ATEX/IEC with MPD IR Hydrocarbon (Propane) Sensor 0-100%LEL

XNX-AMSV-NNIF1—XNX transmitter, HART over 4-20m output, ATEX/IEC approved, 5 x M25 entries, painted 316 stainless steel, including MPD IR flammable (propane) sensor 0-100%LEL.

XNX is an extremely flexible gas transmitter that can be configured to accept an input from any of the Honeywell Analytics range of gas sensor technologies.

A key feature is that it comes with HART over 4-20mA as standard. This enables users to have a single type of interface to all their gas detection needs, even when different types of detectors are employed.

Supports the widest range of sensors on a common platform and offers a modular choice of inputs and outputs (saving customers time and money).

Features & Benefits

  • Flammable gas detection 0 to 100% LFL/LEL
  • Flexible operation options
  • Minimal training required

Quick Specs

  • 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)


Product Overview
XNX’s advantage comes from a 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.

XNX supports Electrochemical, Infrared and Catalytic Bead gas monitors and uses 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, 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 ruggedized mounting options provide ultimate installation flexibility. 


Popular Accessories
We have a multitude of accessory items to go with your monitor

XNX Calibration cup
Calibration cup (flow adapter) for Series 3000 and XNX EC toxic sensors

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

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


Additional information


LM25 Aluminum, painted (SS316 painted optional)

Cable Entries

5 conduits/cable entries – (2 right, 2 left, 1 bottom) Available in ¾” NPT, or M25


Cage Clamp pluggable Terminal Blocks with retaining screws, 0.5 to 2.5mm (12-28 AWG)


-40°C to +65°C / -40°F to +150°F (sensor dependent)


20 to 90% RH non-condensing

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