Merlin CO2 AVG Carbon Dioxide Monitor – Mains Powered Air Quality Display
Stay on top of indoor air quality with the Merlin CO2 AVG – a reliable mains-powered carbon dioxide monitor that tracks live CO2 levels and long-term exposure trends. Designed for domestic and small commercial use, it supports smart ventilation decisions to maintain healthy air indoors.
🔍 Key Features
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Mains powered reliability – no batteries needed; powered by standard 240 V supply.
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Live CO2 readings – instantly displays current carbon dioxide levels in parts per million (PPM).
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8h & 24h averages – tracks long-term CO2 exposure to meet building standards.
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Visual LED alerts – red, amber and green lights clearly show air quality status.
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Data logged every 10 minutes – supports occupancy monitoring and ventilation reviews.
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Compact & easy to install – 95×140×30 mm, surface-mounted and double-insulated.
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Fully compliant – meets Scottish Technical Handbook (Oct 2015) CO2 monitoring requirements.
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2 year guarantee – buy with confidence from CMD Online.
⚙️ Technical Specifications
| Power Supply |
240 V AC (mains powered) |
| CO2 Sensor Type |
NDIR (Non‑Dispersive Infrared) |
| Display Readings |
Current CO2 PPM, 8 h and 24 h averages, max value |
| Logging Interval |
Every 10 minutes |
| Alerts |
RGB LED (Green/Amber/Red) display |
| Mounting |
Surface mount, no earth required |
| Enclosure Protection |
IP20 |
| Dimensions |
140 × 95 × 30 mm |
| Compliance |
Scottish Tech Handbook CO2 standard |
| Warranty |
2 years |
✅ Compliance & Warranty
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Regulations: Complies with Scottish Technical Handbook (Oct 2015) for CO2 exposure monitoring in domestic spaces.
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Warranty: Covered by a 2-year manufacturer’s guarantee.
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Installation: Double-insulated for quick, safe fitting – no earth required.
🏡 Ideal For
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Modern airtight homes – monitors carbon dioxide levels in bedrooms and living areas.
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Housebuilders & contractors – supports compliance with new ventilation regs.
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Families & renters – helps maintain healthy indoor CO2 levels day and night.
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Workspaces & offices – provides visible alerts when ventilation is needed.
🛠️ How It Works
Installation: Mount on interior wall, ideally at breathing height (1.5 m).
Power connection: Standard 240 V AC mains.
Usage: Continuously monitors CO2 and logs data every 10 minutes. Visual alerts guide when to ventilate.
Peace of mind: Know when carbon dioxide levels are high before it affects comfort or safety.
