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X-Sense Carbon Monoxide Alarm Detector Review: Reliable Home CO Protection?

X-Sense Carbon Monoxide Alarm Detector 10-Year Life, Replaceable Battery Operated CO Alarm Detector with Digital Display, Conforms to EN 50291 Standard, CO03D
4.6
[Accurate & Responsive Detection]  Figaro electrochemical sensor with ST chipset minimizes false alarms for rapid, accurate CO detection.
[Loud Alarm & LED]  85 dB alarm and rapid flashing red LED provide unmistakable early warning day or night.
[10-Year Continuous Protection]  Sensor lasts 10 years; powered by three replaceable AA batteries with low-battery and end-of-life alerts.
[Real-Time LCD Display]  Large LCD shows battery life and CO levels updated every 10 seconds for instant awareness.
[CO-Only Detection]  Detects carbon monoxide (CO) only; does not detect carbon dioxide (CO2).
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Home safety alarm designed to detect carbon monoxide, delivering continuous monitoring and clear audible alerts. Families gain reassurance through a large digital readout and long sensor life, with the X-Sense Carbon Monoxide Alarm Detector focused on early warning. Is this level of monitoring right for a rented flat or family home?

⚡ At a Glance
  • Detection Accuracy: Figaro electrochemical sensor with ST chipset for prompt, reliable readings
  • Best for: Homeowners and landlords who want continuous, easy-to-read CO monitoring
  • Not ideal for: Properties that require multi-gas detection, including CO2 monitoring

Electrochemical sensing and an ST processing chipset deliver frequent, dependable CO measurements. Battery power and a 10-year sensor life give long-term protection without mains wiring.


Accurate early warning – thanks to Figaro electrochemical CO sensor and ST chipset

Figaro electrochemical sensor detects carbon monoxide concentration while a high-performance ST chipset processes signals and reduces false alarms. Readings are evaluated against built-in thresholds so alerts trigger only at hazardous levels.

Early warning comes from an 85 dB alarm and a rapid flashing red LED at threshold levels, with the lowest alarm level set at 30 ppm to help occupants respond promptly.

Long-term protection – with a 10-year sensor life and replaceable batteries

Sensor chemistry is rated for a 10-year service life and the unit runs on three replaceable 1.5 V AA batteries, including a low-battery alert and an end-of-life warning. Battery operation keeps the alarm functional during power cuts.

Consistent protection across years reduces maintenance hassle, while end-of-life alerts make timely replacement straightforward for busy households.

Clear monitoring and simple installation – thanks to a large LCD and battery operation

Large LCD displays real-time CO concentration and remaining battery life with measurements updated every 10 seconds. Battery-powered design avoids wiring and includes screws and anchor plugs for quick mounting.

Visible CO readings help assess risk at a glance, and the straightforward, wire-free installation suits rented properties and homes where rewiring is impractical.

✨ The 4 Key Reasons for X-Sense Carbon Monoxide Alarm Detector
  1. 85 dB audible alarm — Alerts that are loud enough to be heard across most domestic rooms
  2. Large LCD readout — Real-time CO levels updated every 10 seconds for quick assessment
  3. Replaceable AA batteries — Keeps working through power outages without mains connection
  4. EN 50291 compliance — Meets recognised safety standard for carbon monoxide detection
📋 Technical Details at a Glance
  • Category: Carbon monoxide alarm
  • Sensor type: Figaro electrochemical CO sensor
  • Processing chipset: High-performance ST chipset
  • Alarm volume: 85 dB
  • Power: 3 x 1.5 V AA batteries (replaceable)
❓ Frequently Asked Questions

Q: Does the alarm detect carbon dioxide (CO2)?

A: No. Detection is limited to carbon monoxide (CO) only; carbon dioxide (CO2) is not detected.

Q: How is the alarm powered and will it work during a power cut?

A: Power comes from three replaceable 1.5 V AA batteries, allowing 24/7 protection even during power outages, with a low-battery alert when replacement is needed.

Q: How loud is the alarm and what sensitivity does it have?

A: Alarm sound level reaches 85 dB with a rapid flashing red LED; sensitivity responds to threshold levels with the lowest alarm set at 30 ppm and readings updated every 10 seconds.

🏆 Our Verdict

Households and landlords will find reliable, easy-to-install carbon monoxide protection suited to everyday use. The combination of a Figaro electrochemical sensor, ST chipset and a 10-year sensor life delivers dependable detection and clear, regular readouts. Upfront cost varies, but long sensor life and replaceable batteries make this a sensible long-term safety investment.