Honeywell XNX-UTSV-NNNNN Universal Gas Transmitter Technical Overview

The Honeywell XNX-UTSV-NNNNN universal gas transmitter delivers heavy-duty industrial gas monitoring performance for tough, demanding processing environments worldwide.

The pyramid structure below organizes the key features, sensor compatibility, physical layout, and installation options for quick technical review.

• Core Platform: Universal design supports universal signal processing across multiple gas detection sensors.
• Transmitter Interface: Configured specifically for Honeywell Model 705 high temperature sensors and mV inputs.
• Physical Enclosure: Marine-grade painted 316 stainless steel housing provides exceptional chemical and corrosion protection.
• Industrial Approvals: Dual UL and CSA certifications ensure compliance for North American hazardous locations.

Summary

This technical summary highlights the high-reliability design and operational boundaries of the Honeywell XNX-UTSV-NNNNN gas transmitter package.

• Honeywell builds this XNX Universal Transmitter series device to survive harsh industrial chemical sites daily.
• Engineers specify the 316 stainless steel housing to prevent environmental degradation in salt spray areas.
• The internal electronics convert raw sensor signals into stable HART communication over standard 4-20mA industrial loops.
• Five 3/4-inch NPT entries simplify field wiring routing through heavy rigid electrical conduit runs.
• The transmitter operates continuously in high-vibration applications from -40°C up to +65°C ambient temperatures.

Part Number Suffix Breakdown

• XNX - Base Universal Transmitter Platform Series
• └── U - Approval Rating: UL and CSA Certified
• └── T - Entry Thread: 3/4" NPT Conduit Connections
• └── S - Material: Painted 316 Stainless Steel Enclosure
• └── V - Personality: mV Interface for Model 705 HT/PPM Sensors
• └── N - Option: No Internal Options Installed
• └── N - Local HART: No Option Installed
• └── NNN - Sensor Range: Specifies No MPD Sensor Included

Technical Specifications

• Brand: Honeywell
• Model: XNX-UTSV-NNNNN
• Product Series: XNX Universal Transmitter
• Signal Output: HART communication protocol over traditional analog 4-20mA loop wiring interface
• Input Personality: mV signal interface designed for Model 705 high temperature and PPM sensors
• Measurement Range: Application specific, defined by the connected external 705 high temperature sensor module
• Frequency Response: Rapid electronic response time designed to process fast transient gas concentration spikes
• Sensitivity & Linearity: High precision input stage ensures linear output scaling across the entire range
• Resolution: Fine analog resolution delivers precise monitoring measurements to central facility control systems
• Noise Immunity: Advanced signal filtering protects internal measurement circuits from external electromagnetic interference
• Housing Material: 5-coat marine finish painted 316 stainless steel construction for maximum durability
• Conduit Entries: 5 entries (2 right side, 2 left side, 1 bottom entry)
• Thread Connection Size: 3/4" NPT threads for rigid explosion-proof metal electrical conduits
• Ingress Protection: IP66 rating according to EN60529 standard, alongside NEMA 4X weatherproofing rating
• Operating Temperature Range: Rated for continuous operation between -40°C and +65°C (-40°F to +149°F)
• Storage Temperature Range: Safe long-term storage between -40°C and +75°C (-40°F to +167°F)
• Operating Humidity Range: Handles 0% to 99% relative humidity conditions without internal moisture condensation
• Operating Pressure Range: Maintained measurement stability across ambient barometric pressures from 90kPa to 110kPa
• Physical Dimensions: Enclosure housing measures 160mm x 197mm x 114mm (6.1" x 7.8" x 4.5")
• Total Package Weight: Stainless steel housing assembly weighs approximately 5.0 kg (11.0 lbs)
• Optional RS485 Modbus: Isolated RS485 communication module supports up to 254 multi-drop nodes

Installation Guidelines

• Mount the unit securely onto flat walls using the four integral mounting lugs built directly into the housing.
• Use the optional pipe bracket kit when attaching the unit onto vertical or horizontal 4-to-6-inch pipe runs.
• Thread explosion-proof conduit directly into the five 3/4-inch NPT entries using approved thread sealing compound.
• Route field wiring away from high-voltage motor cables to minimize external noise pickup along the 4-20mA loop.
• Ensure proper grounding of the stainless steel enclosure before powering the instrument during initial commissioning.

Package Contents & Shipping Options

• Main Hardware Unit: Honeywell XNX-UTSV-NNNNN transmitter assembly housed in painted 316 stainless steel
• Installation Hardware: Internal terminal blocks and standard threaded hole protection plugs for unused entry ports
• Express Courier Options: Worldwide rapid delivery available through reliable partners including FedEx, UPS, and DHL

Frequently Asked Questions

• Which sensors work with this personality card? The mV interface board directly drives Honeywell Model 705 high temperature and PPM sensor series.
• Can I add Modbus communications later? Technicians can install the optional isolated RS485 Modbus RTU module directly into the field display.
• Is this transmitter safe for outdoor installation? The NEMA 4X and IP66 housing withstands heavy marine rain, snow, and salt environments.

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