Calmo – CO2 Monitor 230V or USB Powered
Introducing the Calmo CO2 Monitor: Your Ultimate NDIR CO2, Temperature, and Humidity Solution.
Ensure a healthy indoor environment with our advanced Calmo CO2 Monitor. This state-of-the-art device measures CO2 levels, temperature, and humidity. The Duomo Calmo capturesย air quality data for homes, offices, and classrooms.
Key Features
- Real-Time Air Quality Monitoring:
Stay informed with real-time Carbon Dioxide levels to maintain optimal air quality.
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Accurate Measurements:
The Calmo Monitor employs NDIR technology to deliver precise readings of CO2 levels, temperature, and humidity, empowering you to take proactive measures for comfort and well-being.
- Trend Analysis:
Access 8-hour and 24-hour average and peak readings to identify air quality trends and variations. Use this valuable data to make informed decisions for your indoor environment.
- User-Friendly Design:
Traffic Light Display: Our intuitive color-coded system provides an instant visual assessment of air quality levels, making it easy to monitor even from a distance.
- Optional Audible Alerts:
An optional integrated buzzer alerts you when air quality reaches alarm levels, ensuring you stay informed about critical changes.
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Versatile Power Options:
The Calmo Monitor offers flexible power solutions, with options for USB-C or 230VAC Hardwired connections. This compatibility allows for easy installation in various settings, making it an ideal choice for any indoor space.
<strong>Why Choose the Calmo CO2 Monitor?
Invest in your health and comfort with the Calmo USB CO2 Monitor. Its advanced features and user-friendly design make it the perfect tool for improving air quality management.


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Quantity discount
| Quantity | 1 - 4 | 5 - 9 | 10 - 19 | 20 - 50 |
|---|---|---|---|---|
| Price | £89.00 | £80.00 | £75.00 | £65.00 |
Introducing the Calmo CO2 Monitor
Revolutionize air quality management in construction with the Calmo CO2 Monitor, designed for indoor settings.
Comprehensive Insights
Utilizing advanced NDIR technology, the Calmo Monitor delivers precise CO2, temperature, and humidity readings.
Proactive Management
Access 8-hour and 24-hour averages to identify air quality trends. Implement data-driven measures for improved productivity and health.
Compliance with Standards
Essential for meeting LVD and Scottish Technical Handbook Domestic Environment 3.14.2, the Calmo Monitor ensures effective ventilation and air quality in new builds.
User-Friendly Design
Featuring an intuitive traffic light display and optional buzzer, monitor air quality easily and receive timely alerts.
Flexible Power Options
Adaptable with USB-C or 230VAC connections, the Calmo Monitor is easy to install in various environments.
Invest in Excellence
Choose the Calmo USB CO2 Monitor to prioritize health and safety in your projects and elevate construction standards.
Meets Requirements:
- LVD and Scottish Technical Handbook Domestic Environment 3.14.2
- Building Regulations 2010 โ Ventilation Part F
Contact us now for more information or order online.
Features
Product Details
- Designed to meet LVD and Scottish Technical Handbook Domestic Environment 3.14.2
- Hard Wired or USB-C versions
- Standardised to fit 35mm deep flush back box
- LED Colour Display
- Real time CO2, Temperature and Humidity value
- 8 hour average, 24 average and 24 hour peak value
Support
Onsite Diagnostics
If you require onsite diagnostics or technical assistance with any of our products please contact us
Service
We recommend Duomo Gas Detection products are serviced at least annually to ensure efficacy and extend sensor life. Our qualified team of engineers are available Nationwide.
ServiceDatasheets
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Calmo Datasheet
887.38 KB | pdf
Download
FAQs
How long does the Calmo last?
The Calmo NDIR sensor can last up to 15 years when placed in suitable environment.
What is the guarantee on the Calmo?
The Calmo has a one year manufacturer guarantee as standard.
Can I change the CO2 alarm levels on the Calmo?
Yes the setpoints can be easily changed. The options are:
- Green to Yellow: 600 / 700 / 800 / 900 (ppm)
- Yellow to Red: +200 / +300 / +400 / +500 (ppm)
Is the Calmo compliant with Scottish regulations?
The Calmo has been designed to meet LVD and Scottish Technical Handbook Domestic Environment 3.14.2
How do I change the screen brightness on the Calmo?
There are 3 brightness levels on the Calmo. Hold the MODE/MUTE button to access the brightness settings and then tap the button to select the preferred level.
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Support & Service
If you require technical assistance or an annual service on this product please contact us and we will be happy to help. Our qualified team of engineers are available Nationwide.










