Overview
The Belimo EXT-OP-5502-250 is an electrochemical carbon monoxide (CO) replacement sensor module designed for integration with Belimo gas monitors. It enables precise, continuous monitoring of CO levels to maintain safe indoor air quality in commercial environments.
Features
- Electrochemical sensor technology for precise carbon monoxide detection
- Field-replaceable design allows quick maintenance without replacing the full monitor unit
- Compact form factor engineered for seamless internal mounting
- Pre-calibrated cell ensures consistent operation and reliable readings
- Supports building health compliance and ventilation control
Specifications
- Target Gas: Carbon Monoxide (CO)
- Measurement Range: 0…250 ppm
- Sensor Technology: Electrochemical
- Product Type: Replacement Sensor Module
- Compatibility: Belimo Gas Monitoring Systems
Applications
- Replacement sensor module for commercial garage and HVAC gas monitoring units
- Air quality management and demand-controlled ventilation in enclosed parking facilities


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