XNXXSN1SS Honeywell Smart Sensor Nitrogen Dioxide

Honeywell XNXXSN1SS Smart Sensor for Nitrogen Dioxide (NO₂)

Technical Specifications

• Brand: Honeywell
• Model: XNXXSN1SS
• Gas Type: Nitrogen Dioxide (NO₂)
• Selectable Full Scale Range: 5.0 to 50.0 ppm
• Default Range: 10.0 ppm
• Lower Detectable Limit: 1.5 ppm
• Step Increment: 5.0 ppm
• Accuracy: ±0.2 ppm
• Response Time (T50): < 15 seconds
• Response Time (T90): < 30 seconds
• Calibration Gas Range: 30% to 70% of selected full scale
• Default Calibration Point: 5 ppm
• Physical Layer: Isolated RS485
• Baud Rate: 1200 to 19.2K baud
• Maximum Nodes: 254 XNX compatible transmitters only
• Protocol: Modbus RTU
• Connections: RS485+, RS485-, Drain
• Operating Temperature: -20°C to 55°C (-4°F to 131°F)

Frequently Asked Questions (FAQ)

• Q: Is the Honeywell XNXXSN1SS a new and original product?
  A: Yes, we supply only brand new, original modules. We do not sell used or refurbished units.
• Q: What is the default measurement range for this sensor?
  A: The default range is 10.0 ppm. You can select any range between 5.0 and 50.0 ppm in 5.0 ppm steps.
• Q: What is the accuracy of the XNXXSN1SS?
  A: The Honeywell XNXXSN1SS delivers an accuracy of ±0.2 ppm, ensuring precise NO₂ detection.
• Q: Can I install this module in the field by myself?
  A: Only a qualified service engineer should handle field installation to prevent wiring errors or damage.
• Q: How long does shipping take and which carriers do you use?
  A: We dispatch orders within 5 days via FedEx, UPS, or DHL. Delivery typically takes 2 to 5 business days depending on your location.
• Q: Does this module work with Foundation Fieldbus or relays at the same time?
  A: No, the Modbus output is mutually exclusive with relays and Foundation Fieldbus options. You must select one communication method.
• Q: What is the default calibration point?
  A: The default calibration point is 5 ppm. You can select a calibration gas between 30% and 70% of your chosen full scale range.
• Q: Do you accept returns if the product does not meet our requirements?
  A: Yes, we support returns within 30 days of delivery. The module must remain in new, unused condition with all original packaging.
• Q: What is the operating temperature range?
  A: The Honeywell XNXXSN1SS operates reliably from -20°C (-4°F) to 55°C (131°F).

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