XNX-UTAI-NNNNN Gas Detector Series by Honeywell | Request Quote

XNX-UTAI-NNNNN Honeywell Universal Gas Transmitter

The XNX-UTAI-NNNNN is a specialized universal transmitter engineered by Honeywell Analytics to interface directly with infrared gas detection systems. Designed with an aluminum housing and three-quarter-inch NPT entries, it suits heavy industrial installations requiring robust UL and CSA hazardous location compliance. Plant engineers deploy this unit to manage optical path monitoring networks efficiently.

Configuration Breakdown

• Brand: Honeywell
• Model: XNX-UTAI-NNNNN
• Series: XNX Universal Transmitter
• Product Type: Gas Detector Transmitter
• Approval Rating: UL and CSA certified
• Conduit Entries: 5 x three-quarter-inch NPT threaded entries
• Enclosure Material: Painted LM25 aluminum alloy
• Personality Board: Interface configured for infrared products
• Sensor Compatibility: Built for use with Searchline Excel, Searchpoint Optima, and generic 4 to 20 milliamp inputs
• Output Signal: HART over 4 to 20 milliamp loop
• Weight: 2.8 kilograms (6.2 pounds)

Technical Specifications

• Supply Voltage: 16 to 32 Volt DC
• Power Consumption: 5 Watts nominal, 15 Watts maximum
• Analog Output: 4 to 20 milliamp sinking or sourcing
• Digital Communication: HART protocol standard
• Ambient Operating Temperature: Minus 40 degrees Celsius to plus 65 degrees Celsius
• Ingress Protection: NEMA 4X and IP66 rated enclosure

Installation and Wiring Guide

• Secure the aluminum housing directly to flat walls or structural steel using suitable mounting hardware through the integrated mounting feet.
• Apply certified thread sealant to all three-quarter-inch NPT conduit fittings to maintain explosion-proof integrity.
• Pull shielded twisted-pair instrumentation cables through the designated NPT entries.
• Connect power supply lines and analog signal wires to the removable plug-in terminal blocks inside the terminal compartment.

Diagnostic Capabilities and Maintenance

• Built-in multi-color status indicator provides instant visual confirmation of normal operation, warning, or fault states.
• Onboard fault logging stores error codes to help technicians isolate loop interruptions or optic blockages quickly.
• Non-intrusive magnetic calibration allows technicians to perform zero and span adjustments without opening the enclosure in hazardous zones.

Compatible Devices and Application Scenarios

• Compatible Equipment: Honeywell Searchline Excel open-path infrared gas detectors and Searchpoint Optima Plus point gas detectors.
• Application Scenarios: Upstream oil and gas extraction sites, floating production storage and offloading vessels, chemical transfer terminals, and hazardous perimeter monitoring zones.

Shipping and Warranty Terms

• Warranty Coverage: 12-month manufacturer defect warranty included.
• Shipping Logistics: Rapid order fulfillment and dispatch within 24 to 48 hours.
• Carrier Options: Secure worldwide transport via FedEx, UPS, and DHL.

Global PLC Spare HUB Review

Instrumentation engineers configuring optical gas detection loops frequently choose the XNX-UTAI-NNNNN for its dedicated infrared personality board and reliable UL/CSA certification. The aluminum enclosure balances durability with manageable weight, simplifying overhead mounting procedures on industrial structures.

Global PLC Spare HUB's Insight

When mounting the XNX-UTAI-NNNNN in coastal or high-humidity facilities, apply a protective anti-corrosion paste around the aluminum NPT threads to prevent galvanic binding with steel conduit fittings. Ensuring proper earth grounding to the internal terminal lug will prevent electromagnetic interference from distorting the remote optical detector signals.

Frequently Asked Questions

Q: What specific infrared devices are supported by the XNX-UTAI-NNNNN?

A: It is specifically configured to interface with Honeywell Searchline Excel and Searchpoint Optima infrared gas detectors, alongside generic 4-to-20mA loop inputs.

Q: What conduit connection standard does this specific model utilize?

A: This unit features five three-quarter-inch NPT threaded entries for heavy-duty industrial conduit systems.

Q: Can configuration adjustments be performed in hazardous classified zones?

A: Yes, technicians can execute non-intrusive magnetic calibrations using a Hall effect wand without removing the housing cover.

Q: How is the unit protected against harsh environmental exposure?

A: The transmitter is housed in a painted LM25 aluminum enclosure rated for NEMA 4X and IP66 protection.

Q: What is the recommended purchasing approach when replacing older transmitters?

A: Verify that your existing loop power supply can deliver up to 15 Watts of peak power to ensure stable startup performance alongside optical detectors.