Honeywell XNX-UTAV-NHNNN Industrial Gas Detection Transmitter

The Honeywell XNX-UTAV-NHNNN gas detection transmitter delivers precise environmental monitoring across high-risk industrial facilities. Engineers design this Honeywell XNX Universal Transmitter model to handle rugged environments while maintaining stable sensor signals.

Model Number Breakdown

• Honeywell XNX Universal Transmitter Series
• └── XNX-UTAV-NHNNN Part Number Configuration
  • ├── Approval: U (UL / CSA Approved)
  • ├── Entry Type: T (5 x 3/4" NPT Entries)
  • ├── Housing Material: A (Painted Aluminum Alloy)
  • ├── Personality: V (m-Volt Sensor Interface)
  • ├── Option: N (No Optional Relays Installed)
  • ├── Local Interface: H (Local HART Interface Included)
  • └── Sensor Range: NNN (No Integrated MPD Sensor Supplied)

Key Technical Specifications

• Brand Name: Honeywell
• Model Number: XNX-UTAV-NHNNN
• Equipment Type: Industrial Gas Detection Transmitter
• Product Series: XNX Universal Transmitters
• Operating Voltage: 16 to 32 VDC
• Power Consumption: 6.5 Watts Maximum (mV Personality)
• Operating Temperature: -40°C to 65°C (-40°F to 149°F)
• Operating Relative Humidity: 0% to 99% RH (Non-Condensing)
• Signal Output: 4-20 mA with HART Protocol (Sink, Source, or Isolated)
• Output Signal Accuracy: ±1% of Full Scale
• Ingress Protection Rating: IP66 and NEMA 4X Standards
• Compatible Sensor Types: MPD, Sensepoint, and 705 Series m-Volt Sensors
• Wiring Cable Entries: 5 x 3/4" NPT Threaded Connections
• Local Display Interface: Integrated Local HART Connection Port
• Physical Equipment Weight: 6.2 lbs (2.8 kg)

Installation Guidelines

• Mount the transmitter chassis to a flat vertical surface using integral mounting lugs.
• Secure optional pipe or ceiling mounting kits when installing unit on structural steel.
• Keep wiring distance within recommended engineering limits to prevent voltage drop across terminals.
• Run external field cables through the five 3/4" NPT conduit entries securely.
• Seal all unused threaded entry ports with approved explosion-proof conduit plugs.
• Connect external m-Volt sensors to designated internal terminal blocks following wiring schematics.
• Select desired loop configuration (sink, source, or isolated) via internal junction board jumpers.
• Verify input voltage remains strictly between 16 VDC and 32 VDC before applying power.

Shipping Packaging List

• Main Honeywell XNX-UTAV-NHNNN transmitter enclosure assembly with internal HART module.
• Heavy-duty protective foam inserts engineered for safe international freight transit.
• Express global shipping carriers include FedEx, UPS, and DHL standard air services.

Frequently Asked Questions

• What sensors connect to this specific transmitter model?
  • The unit interfaces with standard MPD, Sensepoint, and 705 Series m-Volt gas sensors.
• Does this unit include internal relay switches or options?
  • No, the XNX-UTAV-NHNNN configuration relies strictly on standard 4-20mA HART output wiring.
• What mounting options can technicians use during site installation?
  • Personnel can install the unit directly using surface lugs or optional pipe brackets.
• How does the enclosure withstand harsh outdoor industrial weather?
  • The painted aluminum alloy housing carries full IP66 and NEMA 4X ingress ratings.

Summary

• The Honeywell XNX-UTAV-NHNNN transmitter provides flexible signal conditioning for millivolt industrial gas sensors.
• High accuracy ratings of ±1% full scale guarantee dependable monitoring for hazardous field sites.
• Robust aluminum construction protects internal circuitry across extreme temperature and humidity conditions.
• Industrial facilities rely on this unit for dependable 4-20mA HART gas detection infrastructure.

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