XNX-UTCI-NHNNN Honeywell XNX Gas Transmitter Universal

Honeywell XNX-UTCI-NHNNN Universal Gas Transmitter – Built for Demanding Industrial Safety

Technical Specifications

• Brand: Honeywell
• Model: XNX-UTCI-NHNNN
• Measurement Range: 0–100% LEL for flammable gases
• Frequency Response: 50/60 Hz, standard industrial power compatibility
• Sensitivity: Detects low ppm levels for reliable early warning
• Linearity: ±2% full scale for consistent accuracy
• Resolution: 1% LEL or 1 ppm depending on sensor selection
• Temperature Range: –40°C to +65°C for harsh climates
• Environmental Resistance: IP66 rated housing blocks dust and water
• Anti-interference: EMI/RFI shielding reduces false alarms

Frequently Asked Questions

• Q: What sensor types does the XNX-UTCI-NHNNN support?
  A: It supports electrochemical, infrared, and catalytic bead sensors on one platform.
• Q: What is the power requirement?
  A: It operates on 16–32 VDC with a nominal 24 VDC supply.
• Q: How often should I calibrate this transmitter?
  A: We recommend calibration every 3 to 6 months depending on your environment.
• Q: Does it work in humid conditions?
  A: Yes, the IP66 housing handles humidity from 20 to 90% RH non-condensing.
• Q: Can I use it outdoors?
  A: Yes, the –40°C to +65°C range and IP66 rating suit outdoor installation.
• Q: What communication protocols does it support?
  A: It supports 4-20mA HART standard, with Modbus and Fieldbus options.
• Q: Is the sensor replaceable?
  A: Yes, the sensor cartridge is field-replaceable for easy maintenance.
• Q: How fast is the response time?
  A: Typical T90 response time is under 30 seconds for most gases.

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