XNX-UTAV-NNIC1 Infrared Gas Detector - Honeywell

XNX-UTAV-NNIC1 Infrared CO2 Universal Gas Detector Transmitter

• Brand: Honeywell – a global leader in gas detection technologies.
• Model: XNX-UTAV-NNIC1 – part of the versatile XNX transmitter series.
• Product Type: Universal gas detector with MPD infrared CO2 sensor.
• Measurement Range: 0-5% V/V (volume per volume) carbon dioxide.
• Sensor Technology: Non-dispersive infrared (NDIR) for selective CO2 sensing.
• Approval: UL and CSA certified for Class I, Division 1 hazardous areas.
• Conduit Entries: Four 3/4" NPT openings for easy field wiring.
• Housing Material: Painted aluminium with excellent corrosion resistance.
• Output Signal: 4-20 mA analog with HART® digital protocol.
• Local HART: Not installed (optional upgrade available).
• Power Supply: 24 VDC nominal (range 18-32 VDC).
• Operating Temperature: -20°C to +55°C for reliable indoor/outdoor use.
• Storage Temperature: -40°C to +70°C.
• Humidity Range: 0-95% RH non-condensing.
• Accuracy: ±2% of full scale at calibration conditions.
• Response Time: < 30 seconds to 90% of step change.
• Protection Class: IP66/67 weatherproof and dust-tight.
• Electromagnetic Compatibility: Meets EN 61000-6-2 and 61000-6-4.

Installation Guidelines

• Mount the transmitter vertically on a stable wall or pipe support.
• Use all four 3/4" NPT entries for power, signal, and sensor connections.
• Seal unused entries with approved explosion-proof plugs.
• Connect the 4-20 mA loop to a PLC, DCS, or SCADA input module.
• Ensure proper grounding to prevent electromagnetic interference.
• Allow 5 minutes for sensor stabilisation after power-up.
• Perform a zero calibration using nitrogen or CO2-free air.

Package Contents

• 1 x Honeywell XNX-UTAV-NNIC1 transmitter with CO2 sensor.
• 1 x mounting bracket kit with screws and wall plugs.
• 1 x quick start wiring diagram (English version).
• No calibration gas or certificates are supplied with this package.

Shipping & Delivery

• We ship worldwide using FedEx, UPS, or DHL express services.
• All orders dispatch within 5 business days from our facility.
• Every unit is brand new, factory-calibrated, and sealed.
• You will receive tracking information via email after shipment.

Frequently Asked Questions

• What gases does this transmitter detect?
  The XNX-UTAV-NNIC1 specifically measures carbon dioxide (CO2) in the 0-5% V/V range.
• Can I use this transmitter in a Zone 1 hazardous area?
  Yes, the UL/CSA approval covers Class I, Division 1 and Zone 1 installations.
• Does this model include HART communication?
  Yes, it supports HART® protocol over the 4-20 mA output for digital diagnostics.
• Is the infrared sensor affected by oxygen or humidity?
  The NDIR sensor is selective for CO2 and largely immune to oxygen and moisture interference.
• What is the expected sensor life?
  The infrared sensor typically operates for 5-7 years under normal conditions.
• Do you have the XNX-UTAV-NNIC1 in stock?
  Yes, we maintain inventory for immediate shipment.
• Can I return this product if it does not suit my application?
  We accept returns within 30 days of delivery, subject to our return policy.

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