
CO220 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $49.99 | Condition is New, Extech CO220 DESKTOP air quality CARBON DIOXIDE MONITOR new CO2, shipping cost = $7.00 | 99.5% |
![]() | $44.99 | Top Pick! Condition is New, Extech CO220 Desktop Indoor Air Quality CO2 Monitor w/ Temp, Humidity, Dew Point, shipping cost = $15.10 | 99.9% |
![]() | $149.50 | Condition is New, Extech CO220 Indoor Air-Quality Carbon Dioxide CO2 Monitor , SEALED NEW, shipping cost = $15.00 | 100.0% |
![]() | $199.00 | Top Pick! Condition is New, Extech CO220: Desktop Carbon Dioxide Monitor, FREE SHIPPING | 100.0% |
![]() | $319.35 | Top Pick! Condition is New, EXTECH CO220 Desktop Carbon Dioxide Monitor 21YE40, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $220.00 | Condition is New – Open box, Extech CO220 Desktop Carbon Dioxide CO2 Monitor - NIB, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $50.00 | Condition is Used, Extech Desktop CO2 Monitor CO220, shipping cost = $25.35 | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $515.88 | Condition is Nuovo, Extech CO220 Carbon Meter 0 - 9999 ppm, shipping cost = $44.42 | 99.7% |


The Extech CO220 Desktop Air CO2 Monitor is a compact yet powerful tool designed to help you maintain optimal carbon dioxide levels in your indoor spaces. This device, with its sleek and modern design, is perfect for use in homes, offices, greenhouses, or any other environment where CO2 levels need to be monitored and controlled.
The Extech CO220 features a high-precision sensor that provides accurate readings of CO2 levels, with a measuring range of 0-5,000 parts per million (ppm). The digital display is easy to read and offers a resolution of 0.1 ppm, ensuring that you have a clear understanding of the CO2 levels in your space. The monitor also features an automatic zero and span calibration feature, ensuring that it remains accurate over time.
The device also comes with an adjustable stand, allowing you to place it at an optimal height and angle for easy viewing. The stand is also sturdy enough to ensure that the monitor does not tip over, even in high-traffic areas.
The Extech CO220 Desktop Air CO2 Monitor is powered by a single 9V battery, which is included with the purchase. The monitor also features a low battery indicator, so you never have to worry about running out of power unexpectedly.
In addition to its accuracy and convenience, the Extech CO220 is also designed to be durable and long-lasting. The monitor is made of high-quality materials, including a durable plastic housing and a scratch-resistant display. The device is also small and lightweight, making it easy to transport and store when not in use.
Overall, the Extech CO220 Desktop Air CO2 Monitor is a must-have tool for anyone looking to maintain optimal CO2 levels in their indoor spaces. Its accuracy, convenience, and durability make it an excellent choice for both personal and professional use.
Pros of buying Extech CO220 Desktop Air CO2 Monitor:1. Accurate and reliable readings: The Extech CO220 is known for its high accuracy and reliability, making it a great tool for monitoring CO2 levels in various environments.
2. Easy to use: The monitor has a simple and intuitive display, making it easy to read and understand the CO2 levels in your space.
3. Durable construction: The Extech CO220 is made with high-quality materials and has a sturdy design, making it a long-lasting investment.
4. Versatile: The monitor can be used in various environments, including classrooms, offices, and greenhouses.
5. Affordable: Compared to other CO2 monitors on the market, the Extech CO220 is relatively affordable, making it a cost-effective option for those looking to monitor CO2 levels.
Cons of buying Extech CO220 Desktop Air CO2 Monitor:1. Limited range: The Extech CO220 has a limited range, making it less suitable for larger spaces or outdoor environments.
2. No data logging or exporting: The monitor does not have data logging or exporting features, which may be a disadvantage for those who need to track CO2 levels over time or share data with others.
3. Requires calibration: Like any other CO2 monitor, the Extech CO220 requires regular calibration to ensure accurate readings.
Conclusion: The Extech CO220 Desktop Air CO2 Monitor is a great option for those looking for an accurate and reliable CO2 monitor for smaller spaces. Its easy-to-use design, durable construction, and affordability make it a cost-effective option for monitoring CO2 levels. However, its limited range and lack of data logging or exporting features may be disadvantages for some users. Ultimately, the decision to buy the Extech CO220 depends on your specific needs and requirements.
Recommendation: If you are looking for a reliable and accurate CO2 monitor for a smaller space, the Extech CO220 is a great option. However, if you need more advanced features such as data logging or exporting, you may want to consider other options on the market.
Details:
Calculates statistical weighted averages of TWA 8 hour time weighted average and Stael 15 minute short term exposure limit. Manually store/recall readings. Audible high co2 concentration alarm with delectable threshold. Whats in the box:: meter.
Calculates dew point and wet bulb temperature. Photos are greatly appreciated. Maintenance free nadir non-disperse infrared co2 sensor.
Automatic baseline calibration function. Carbon dioxide reading displayed in ppm with six facial icons indicating indoor air quality levels. Please consider troubleshooting prior to making a return request. Complete with ac adaptor.
Features:: measures carbon dioxide levels, air temperature and humidity.
specifications testmultimeters:
- brand: Extech
- mpn: Co220
- type: Tool
- upc: 793950502204
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
returns testmultimeters:
- method: money back
- policy: returns accepted
- time: 30 days
- paid by: seller
shipping testmultimeters:
- service: economy
- class: economy
- type: fixed
- transit: 4-7 days
seller testmultimeters:
- city: jonestown, pennsylvania
- # reviews: 10664
- rating: 98.2%
payments testmultimeters:
- wallet: paypal
- credit card: mastercard
offer testmultimeters:
- in stock #: 5
- prices: $44.99–$515.88
- item condition:
- New
- New – Open box
- Used
- Nuovo
- sold #: 30
- started: april 25, 2024
- options: ship-to-home
- availability: in stock








