London Medical Laboratory General Health Profile
London Medical Laboratory
Strong research
Sonoff
Sonoff AirGuard CO2 Matter Air Quality Monitor
Promising researchWhat does this mean? ›
£37.75at Sonoff
Check availability
Price checked
Buy now at Sonoff- NDIR CO2 sensor, ±(50 ppm + 5%)
- LCD screen and alerts
We may earn a commission if you buy through our links. How we choose ›
NDIR CO2 sensor, ±(50 ppm + 5%)
- Power
- USB-C 5V
- Display
- LCD
- Co2 sensor
- NDIR (retailer/brand spec)
Where we checked it: shop.pimoroni.com ›
Why we picked it
The cheapest monitor we found from a UK retailer that states a professional-grade NDIR CO2 sensor (accuracy ±50 ppm + 5%), with an on-screen reading and alerts.
Best for
A low-cost NDIR CO2 display for one room, with smart-home alerts
Not for
People who want a battery device to carry around
The details that matter.
- • NDIR CO2 sensor, ±(50 ppm + 5%)
- • LCD screen and alerts
- • Works with eWeLink, Apple, Google, Alexa
- • USB-C powered
Specifications
- Power
- USB-C 5V
- Display
- LCD
- Co2 sensor
- NDIR (retailer/brand spec)
- Connectivity
- Wi-Fi, Matter
- Other sensors
- Temperature, humidity
How strong is the research? What our grades mean ›
- Strong research
- Independent certification or lab data for the specific claim.
- Promising research
- The material is well supported, but there is no product-level testing.
- Early research
- Little independent research.
- Mixed research
- Research findings disagree.
- £
- Under £20
- ££
- £20 to £79
- £££
- £80+
