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Extech CO270 Battery Operated Air Quality CO2 Meter

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All Extech Products
  • Recall peak and average value
  • Anti-theft and anti-modification features
  • Programmable buzzer
  • CO2 manual calibration feature
SKU
CO270
MPN
CO270

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The Extech CO270 Air Quality Meter measures CO₂, humidity, dew point, and temperature. Designed for workplaces, schools, warehouses, and healthcare settings. Its easy-to-read display and graphical air quality indicators make interpreting results effortless. The three AAA batteries provide up to one year of continuous operation in ECO mode.

Users can recall peak and average values over the previous 24 hours, set programmable buzzer alerts, and rely on the manual CO₂ calibration feature to maintain long-term accuracy. The CO270 also has anti-theft and anti-modification protections.

Key Features

  • Typical battery life 6 months or 1 year in ECO mode
  • Recall peak and average value over the last 24-hour period
  • Includes anti-theft and anti-modification features
  • Programmable buzzer features to alert when the set threshold is exceeded
  • CO2 manual calibration feature
£99.00
£118.80 inc vat
Stock Due: Typically 1-2 Weeks
Important Notice
This item is made-to-order exclusively for you once your order is placed. As a result, it is not eligible for cancellation or return under our standard policy. Your statutory rights remain unaffected.
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Technical Information
Specification
Relative Humidity 5.0% to 95%
Relative Humidity Basic Accuracy ±5%
Relative Humidity Max Resolution 0.1%
Sampling Rate LCD updates every 10 seconds (Regular mode) or every 60 seconds
Sensor Type CO2 NDIR (non-dispersive infrared) technology
Temperature (Air) 0°C to 50°C (32°F to 122°F)
Temperature (Air) Basic Accuracy ±0.6°C / ±1°F
Temperature (Air) Max Resolution 0.1°C/°F
Certifications EN 61326-1, IEC 61000-4
Dimensions 88 x 86 x 25 mm (3.4 x 3.4 x 1 in)
IP Rating IP30
Battery 3 x AAA (1.5 V) batteries
Extech Warranty 2 years
Weight 115 g (8 oz)
Carbon Dioxide [CO2] 0 to 9999ppm
Carbon Dioxide [CO2] Basic Accuracy ±50 ppm or ±3% of reading
Carbon Dioxide [CO2] Max Resolution 1 ppm
Battery Life Regular mode >6 months. ECO mode >1 year
Document Downloads
Extech CO270 Battery Operated Air Quality CO2 Meter Datasheet Datasheet
Extech CO270 Battery Operated Air Quality CO2 Meter User Manual Manual/Guide
Extech CO270 Battery Operated Air Quality CO2 Meter Quick Start Guide Manual/Guide
Additional Information
SKU
CO270
Manufacturer Part Code
CO270
Country of Origin
Taiwan

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Extech CO270 Battery Operated Air Quality CO2 Meter
£99.00
£118.80 inc vat
£99.00
£118.80 inc vat