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Merlin CO2 AVG Carbon Dioxide Monitor – Mains Powered Air Quality Display

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Verified

Excellent service!

I thought product was out of stock so emailed and they responded almost immediately sending me the link to exactly what I needed. Fast delivery.

Tracey Gearie,

28 Jan 2025

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Ordered the wrong colour

Ordered the wrong colour - sent back and refund provided straight away . Great Service.

James Bell,

9 April 2025

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Great Service !

Delivered on time and as expected. Issue with bulbs on the product, replaced swiftly with no quibble.

Nathan,

28 Oct 2024

Verified

Really helpful company

Quick to respond to any queries.
Order turn round and delivery time very quick.

Graham,

28 Oct 2024

Verified

Excellent service

Excellent service. Light fittings turned up quickly and one was damaged internally. A replacement was sent without any problems. Highly recommended

Matt Williams,

18 Mar 2024

Verified

Very knowledgeable helpful staff

Fantastic service. I ordered one day and the next day my items were delivered.

Jacqueline Young,

2 Aug 2023

Rated 4.8 / 5 based on 63 reviews.

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

  • Mains powered reliability – no batteries needed; powered by standard 240 V supply.
  • Live CO2 readings – instantly displays current carbon dioxide levels in parts per million (PPM).
  • 8h & 24h averages – tracks long-term CO2 exposure to meet building standards.
  • Visual LED alerts – red, amber and green lights clearly show air quality status.
  • Data logged every 10 minutes – supports occupancy monitoring and ventilation reviews.
  • Compact & easy to install – 95×140×30 mm, surface-mounted and double-insulated.
  • Fully compliant – meets Scottish Technical Handbook (Oct 2015) CO2 monitoring requirements.
  • 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

  • Regulations: Complies with Scottish Technical Handbook (Oct 2015) for CO2 exposure monitoring in domestic spaces.
  • Warranty: Covered by a 2-year manufacturer’s guarantee.
  • Installation: Double-insulated for quick, safe fitting – no earth required.

🏡 Ideal For

  • Modern airtight homes – monitors carbon dioxide levels in bedrooms and living areas.
  • Housebuilders & contractors – supports compliance with new ventilation regs.
  • Families & renters – helps maintain healthy indoor CO2 levels day and night.
  • 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.

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