XNXXSO1SS – Honeywell Sensor Replacement

Oxygen (O2) smart sensor cartridge for Honeywell Analytics XNX and Series 3000 MKII/MKIII fixed gas monitors. Measures 0‑25% v/v. Ready to install. Accurate and durable.

 Product Overview

• Manufacturer: Honeywell
• Model: XNXXSO1SS
• Type: Sensor Replacement – O2 cartridge
• Gas: Oxygen (O₂)
• Range: 0‑25% v/v (default 25.0 %Vol)
• Fixed Cal Point: 20.9 %Vol
• Response Time: T20 <10 sec / T90 <30 sec
• Accuracy: ±0.6 %Vol
• Operating Temp: –30°C to +55°C
• Shipping Weight: 3 kg

 Technical Specifications – Hierarchical View

• Gas & Range
  • Target Gas: Oxygen (O₂)
  • Default Range: 25.0 %Vol
  • Lower Detectable Limit: 3.5 %Vol
  • Cal Gas Range: 20.9 %Vol (fixed)
• Performance
  • Response Time (T50): T20 <10 sec
  • Response Time (T90): <30 sec
  • Accuracy: ±0.6 %Vol
• Environment
  • Operating Temp: –30°C to +55°C (–34°F to 131°F)
  • Humidity: 5‑95% RH (non‑condensing)
  • Protection: IP65 (sensor assembly)
• Compatibility
  • Honeywell Analytics XNX Transmitter
  • Series 3000 MKII / MKIII Fixed Systems
  • Smart sensor – auto‑recognized by transmitter
• Physical
  • Shipping Weight: 3 kg
  • Type: Replacement cartridge assembly
  • Smart electronics with calibration data

 Expert Review – Engineer’s Insight

“The XNXXSO1SS is a plug‑and‑play solution for oxygen monitoring. The smart sensor stores calibration info – no manual setup needed. Fast T90 response (<30s) ensures early warning in confined spaces. Honeywell’s build quality gives long service life. For plant safety teams, this is a reliable choice.” – Senior Instrumentation Engineer

 Manager’s Insight – Operational Efficiency

“We use this sensor across our fixed gas detection network. The smart cartridge reduces downtime – swap in minutes. No need to re‑calibrate every time. Consistent readings in extreme temperatures. With 12‑month warranty and fast shipping, it keeps our safety systems running.” – Safety Manager

 Applications & Compatible Equipment

• Honeywell XNX fixed gas transmitters
• Honeywell Series 3000 MKII / MKIII monitors
• Confined space entry monitoring
• Industrial oxygen deficiency detection
• Wastewater treatment plants
• Chemical storage areas
• Food processing facilities (inert gas monitoring)

 Selection Guide & Buying Advice

• Confirm your transmitter model – XNX or Series 3000
• Check gas type – this is for O₂ only
• Ensure 20.9 %Vol cal gas is available for bump tests
• Store spare sensor to minimize downtime
• Replace every 2‑3 years (depending on exposure)
• Use only genuine Honeywell cartridges
• Keep calibration records for audit compliance

 FAQ – Frequently Asked Questions

1. Is this sensor compatible with older Series 3000 MK I?
No. This works with MKII and MKIII only.

2. Does the sensor come pre‑calibrated?
Yes. The smart cartridge stores factory calibration data.

3. What is the expected sensor life?
Typically 2‑3 years in clean air conditions.

4. Can I use this for CO2 or toxic gases?
No. This is specific to oxygen (O₂) measurement.

5. How do I verify the sensor is working?
Perform a bump test with 20.9 %Vol O₂ gas.

6. What is the warranty period?
12 months from date of delivery.

7. How fast is shipping?
Dispatch within 12‑24 hours. Choose FedEx, UPS, or DHL.

8. Is the calibration gas included?
No. Calibration gas is sold separately.

9. Can I install this myself?
Yes. It is a drop‑in replacement – no special tools needed.

10. What if my reading is unstable?
Check for moisture or contamination. Clean the sensor window.

Compare with Similar Models

• Honeywell XNXXSO1SS vs XNXXSO1 (Standard O2)
• Honeywell XNXXSO1SS vs MSA Ultima O2 Sensor
• Honeywell XNXXSO1SS vs Drager O2 Cartridge
• Honeywell XNXXSO1SS vs RKI O2 Replacement

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