XNX-UTAI-NHNNN Universal Gas Transmitter | Honeywell XNX Series

XNX-UTAI-NHNNN – Explosion-Proof Universal Transmitter

Honeywell | XNX Series | 4-20 mA + HART | For Searchline Excel & Optima Plus

Product Overview

• Rugged IP66 transmitter for harsh industrial environments.
• Operates from -40°C to +65°C, 0–99% RH non-condensing.
• Painted marine-grade LM25 aluminium alloy housing.
• Designed for open-path IR gas detection with Searchline Excel.
• Local HART® interface port for easy configuration.

Technical Specifications

• Manufacturer – Honeywell
• Model / Part No. – XNX-UTAI-NHNNN
• Product Series – XNX Universal Transmitters
• Electrical
  • Voltage: 18–32 VDC
  • Output: 4-20 mA with HART® protocol
  • Max. power: 13.2 W (with Searchline Excel receiver)
• Environmental
  • IP66 protection – dustproof & waterproof
  • Operating temp: -40°C to 65°C
  • Storage temp: -40°C to 75°C
  • Humidity: 0–99% RH (non-condensing)
• Mechanical
  • Housing: Painted LM25 aluminium alloy
  • Entries: 5 × 3/4″ NPT cable/conduit
  • Weight: 6.2 lbs (2.8 kg)
• Compatibility
  • Searchline Excel open-path IR detectors
  • Optima Plus (pre-configured)
  • No relay output – pure detection & monitoring
• Certifications
  • UL / CSA / FM approved for hazardous areas
  • Explosion-proof certified

Key Features & Benefits

• Measurement performance
  • Open-path IR detection – reliable gas leak sensing
  • Linear response with HART digital communication
  • High sensitivity for combustible gases
• Installation & maintenance
  • 5 NPT entries for flexible conduit routing
  • Local HART port – easy access for calibration
  • Painted housing resists corrosion and wear
• Environmental tolerance
  • Wide temp range: -40°C to 65°C
  • Works in 99% RH without condensation
  • IP66 – withstands dust and water jets
• Interference immunity
  • HART® over 4-20 mA – noise-resistant signal
  • Explosion-proof enclosure for safe operation

Expert Review – Industrial Safety Focus

• Reliability – Proven in oil & gas, chemical plants, and refineries.
• Ease of use – Local HART port simplifies diagnostics without special tools.
• Durability – LM25 alloy and IP66 rating ensure long service life.
• Value – Direct replacement for legacy XNX units, supports modern HART networks.

Manager’s Insight – Cost & Performance

• Low power consumption (13.2 W max) reduces operational costs.
• HART communication enables remote monitoring and asset management.
• Compatible with existing Searchline Excel installations – no system overhaul.
• Fast 12-24 hour shipping via FedEx, UPS, or DHL.

Applications & Compatible Devices

• Industries – Oil & gas, petrochemical, wastewater, mining, power generation.
• Devices – Searchline Excel open-path IR gas detectors, Optima Plus, and other 4-20 mA sensors.
• Use cases – Continuous gas leak detection in hazardous zones, perimeter monitoring, and process safety.

Frequently Asked Questions

• What is the output signal of this transmitter?
  • 4-20 mA analog with HART® digital communication.
• Does it include a relay output?
  • No. It focuses solely on detection and signal transmission.
• Which sensors are compatible?
  • Searchline Excel open-path IR and Optima Plus (pre-configured).
• What is the IP rating?
  • IP66 – dust-tight and protected against powerful water jets.
• Can it be used in extreme cold?
  • Yes, down to -40°C operational, -75°C storage.
• Is HART configuration easy?
  • Yes – local IS HART port provides direct handheld communicator access.
• What approvals does it hold?
  • UL, CSA, FM – explosion-proof certified for North American hazardous locations.
• How many cable entries?
  • Five 3/4″ NPT entries for flexible wiring.
• What is the warranty period?
  • 12 months from date of purchase.

Selection Guide – How to Choose

• For new installations – choose XNX-UTAI-NHNNN if you use Searchline Excel or Optima Plus.
• For retrofits – direct replacement for older XNX models with same footprint.
• For harsh conditions – IP66 and LM25 alloy ensure corrosion resistance.
• For digital integration – HART protocol supports PLC and DCS systems.
• For rapid deployment – stock available, ships within 12-24 hours.

Package Contents & Shipping

• Includes – XNX transmitter unit, mounting hardware, quick-start guide.
• Shipping – 12-24 hours dispatch via FedEx, UPS, or DHL (tracking provided).
• Warranty – 12 months against manufacturing defects.

Contact & Support

• Email: sales@powergearx.com
• WhatsApp: +86 18030005825 (click to chat)
• Technical inquiries – our team replies within 4 business hours.

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• Original Source: https://www.powergearx.com/