Added to cart

product image
Go to cart

Your order qualifies for free 2-day shipping and easy returns

Shipping & Returns Policy

Desktop Indoor Air Quality CO₂

Extech CO100

Go to Product Support
product image

The Extech CO100 is a desktop indoor air quality CO₂ monitor that measures carbon dioxide concentrations (CO₂) from 0 to 9,999 ppm, air temperature from -5°C to 50°C (23°F to 122°F), and humidity from 0.1 to 90% RH. It comes with a user programmable visible and audible CO₂ warning alarm. The meter has a maximum/minimum CO₂ value recall function. The CO100 is complete with a maintenance free NDIR (non-dispersive infrared) CO₂ sensor and a universal AC adaptor.

Product Shipping FREE Shipping
Product Returns Shipping & Returns
Sales Contact Contact Sales
Contact Sales

Want more information on this product?

Call +1 (866) 477-3687 to speak with a knowledgeable specialist.

General Specifications
Carbon Dioxide (CO?)
0 to 9999ppm
Carbon Dioxide (CO?) Basic Accuracy
±75 ppm or ±5% of reading
Carbon Dioxide (CO?) Max Resolution
Relative Humidity
0.1 to 90.0%
Relative Humidity Basic Accuracy
Relative Humidity Max Resolution
Sampling Rate
2 seconds
Sensor Type
CO₂ NDIR (non-dispersive infrared) technology
Temperature (Air)
23 to 122 °F ( -5 °C to 50 °C)
Temperature (Air) Basic Accuracy
±1.5 °C/2.7 °F
Temperature (Air) Max Resolution
0.1 °
Additional Details
117 × 102 × 102mm (4.6 × 4 × 4")
Segment LCD with backlighting
input 110V - 220V AC, output 6.0V DC, 500mA power supply
2 years
204g (7.2 oz.)
Related Documents
Export Restrictions

Export Restrictions

The information contained in this page pertains to products that may be subject to the International Traffic in Arms Regulations (ITAR) (22 C.F.R. Sections 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774) depending upon specifications for the final product; jurisdiction and classification will be provided upon request.

Extech CO100

$327.79 $159.99