NO2 Sensor SDN
NO2 Sensor SDN | Cofem Fire Safety
The NO2 Sensor SDN is a professional fire safety product from Cofem, a specialist manufacturer of fire detection and extinguishing systems for commercial, industrial and residential applications.
Nitrogen dioxide (NO2) diffusion sensor for COsensor system
NO2 SDN sensor designed according to EN 50545-1 and certified UNE 23300.
Compatible with conventional and addressable COsensor plants.
Electrochemical technology; transforms NO2 reading into equivalent CO for shared detection lines.
Key Features
- Compatible with CCO, MiniCO and ZafirCO panels
- Ø16 mm pipe base support
- Red LED indication
- Maintenance mode support
- EN 50545-1, UNE 23300 certified
Why Choose Cofem?
- Proven Reliability – Designed for continuous operation in demanding environments
- System Compatibility – Fully compatible with Cofem algorithmic and conventional systems
- Professional Installation – Clear documentation and support for installers
- Compliance Ready – Built to meet EN 54 and applicable fire safety standards
Contact us for pricing, technical datasheets and integration support.
| Brand | Cofem |
|---|---|
| Product Type | Detectors & Sensors |




