XNX-UTSE-RHNNN Gas Detector Transmitter XNX Series Honeywell | Shop

Honeywell XNX-UTSE-RHNNN Universal Gas Transmitter Overview

The Honeywell XNX-UTSE-RHNNN provides robust safety loop monitoring for facilities managing hazardous toxic and oxygen gas hazards. As part of the dependable Honeywell XNX transmitter series, this model combines electrochemical sensor compatibility with dedicated relay outputs and a convenient local HART diagnostic port. Constructed with painted 316 stainless steel and UL/CSA hazardous location certification, it excels in corrosive onshore and offshore industrial plants. Global PLC Spare HUB's Insight emphasizes this device for its multi-relay alarm handling, intrinsic safety barriers, and reliable field configuration flexibility.

Model XNX-UTSE-RHNNN Configuration Breakdown

• Manufacturer: Honeywell
• Product Series: Honeywell XNX Series
• Part Number / Model: XNX-UTSE-RHNNN
• Product Classification: Universal Gas Detector Transmitter
• Approval Rating (U): UL and CSA certified for North American hazardous environments
• Conduit Entry Type (T): Three 3/4 inch NPT threaded entries
• Housing Material (S): Painted 316 Stainless Steel construction
• Sensor Personality (E): Electrochemical cartridge interface with integral IS barrier and adaptor
• Operational Options (R): Multi-relay option for direct fault and alarm switching
• Communication Interface (H): Local HART communication port overlaying 4-20 mA loop
• Sensor Range (NNN): Unconfigured baseline sensor cartridge slot

Technical Specifications

Comparative Selection Guide: XNX-UTSE-RHNNN vs. XNX-AMSV-RNNNN

• Approval Standards: The XNX-UTSE-RHNNN features UL/CSA certification for North American markets, whereas the XNX-AMSV-RNNNN carries ATEX/IECEx ratings for European and global installations.
• Conduit Entry Layout: The XNX-UTSE-RHNNN uses three 3/4" NPT entries, compared to metric threading alternatives found on variant models.
• Engineering Recommendation: Select the XNX-UTSE-RHNNN when your facility requires North American UL/CSA compliance combined with local relay switching capabilities.

Diagnostic Capabilities & Maintenance Efficiency

• Local HART port allows technicians to run diagnostics and recalibrate sensors directly at the transmitter without panel intervention.
• Integrated fault and alarm relays provide immediate local hardware response independent of control system latency.
• Continuous internal circuit monitoring identifies low voltage supply, signal drift, or cartridge communication faults.
• Modular plug-and-play electrochemical cell layout significantly shortens replacement times during scheduled maintenance turnarounds.

Compatible Equipment & Application Environments

• Honeywell toxic gas and oxygen electrochemical sensor cartridges.
• Oil and gas production facilities requiring localized emergency shutdown triggers.
• Chemical storage warehouses monitoring ambient oxygen depletion levels.
• Municipal water treatment plants handling chlorine and hazardous treatment chemicals.

Packaging, Warranty & Logistics

• Industrial-grade protective boxing designed to prevent mechanical damage during transit.
• Comprehensive 12-month standard warranty covering material and manufacturing defects.
• Fast 24-48 hour order processing and dispatch windows.
• Global shipping capabilities fulfilled via premier carriers including FedEx, UPS, and DHL.

Frequently Asked Questions

What is the primary advantage of having built-in relays on this model?

The integrated relays allow the transmitter to directly control local alarms, horns, or ventilation fans without routing every signal back to the main PLC logic rack.

Does this unit accommodate third-party electrochemical sensors?

It is specifically engineered for use with Honeywell XNX toxic and oxygen electrochemical cartridges utilizing built-in intrinsic safety barriers.

How do 3/4" NPT entries impact field installation choices?

They provide standard North American threaded conduit compatibility, ensuring secure and code-compliant rigid or flexible conduit connections.

What factors should guide my choice between UL/CSA and ATEX versions?

Review your regional plant safety regulations; choose the UL/CSA variant for North American compliance or the ATEX model for international operational zones.

How does the local HART port assist during safety system audits?

It enables technicians to plug in a handheld communicator to instantly verify configuration parameters and calibration logs on-site.

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