HONEYWELL XNX-UTAE-NHNNN Gas Detector Transmitter

Product Description

Honeywell XNX-UTAE-NHNNN is an XNX Universal Gas Transmitter designed for fixed gas detection applications in industrial safety systems. It provides a flexible platform for connecting various Honeywell gas sensor technologies, including electrochemical, infrared, and catalytic bead sensors.

The transmitter is used for continuous monitoring of hazardous gases and communicates gas concentration data to PLC, DCS, safety systems, and gas monitoring controllers through standard industrial interfaces.

Model Code Explanation:

• XNX – Universal Gas Transmitter Series
• U – UL/CSA approval version
• T – 3/4" NPT cable entry
• A – Aluminum enclosure
• Ec – Electrochemical sensor interface with IS barrier and adaptor
• N – No additional options installed
• NNN – No sensor fitted

Technical Parameters

• Brand: Honeywell
• Model: XNX-UTAE-NHNNN
• Product Type: Universal Gas Detector Transmitter
• Series: XNX Universal Transmitter
• Enclosure Material: Aluminum alloy
• Sensor Compatibility:
  • Electrochemical sensors
  • Infrared sensors
  • Catalytic bead sensors
• Sensor Configuration: No sensor included
• Output Signals:
  • 4–20 mA
  • HART communication
  • Optional Modbus / Fieldbus
• Power Supply: 18–32 VDC (24 VDC nominal)
• Cable Entry: 3/4" NPT
• Display: Local LCD display
• Operating Temperature: -40°C to +65°C (sensor dependent)
• Humidity Range: 20–90% RH non-condensing
• Protection Rating: IP66/IP67
• Housing: Explosion-proof industrial enclosure
• Weight: Approx. 2.8 kg

Advantages & Features

• Original Honeywell XNX universal transmitter
• Supports multiple gas sensing technologies
• Flexible configuration for different hazardous gas applications
• Standard 4–20 mA output for easy PLC/DCS integration
• Supports HART communication for configuration and diagnostics
• Explosion-proof design for hazardous environments
• Modular structure for easy maintenance and replacement
• Suitable for continuous 24/7 gas monitoring systems
• Compatible with Honeywell and third-party safety controllers

Applications

• Oil & gas facilities
• Petrochemical plants
• Chemical processing plants
• Power generation stations
• Refineries
• Wastewater treatment facilities
• Industrial gas monitoring systems
• Safety Instrumented Systems (SIS)
• Emergency shutdown systems (ESD)

Notes

• XNX-UTAE-NHNNN is the transmitter unit only and does not include a gas sensor.
• Select the correct sensor cartridge according to the detected gas type (such as CO, H₂S, O₂, combustible gases, etc.).
• Verify power supply, communication protocol, hazardous area certification, and sensor compatibility before installation.
• Gas calibration and commissioning are required after sensor installation.