Extech CO260 CO/CO₂ Meter
The Extech CO260 is a professional indoor air quality meter designed to measure carbon monoxide (CO), carbon dioxide (CO₂), temperature, and humidity. It works as both a CO meter and carbon monoxide meter, making it ideal for monitoring air conditions in workplaces, commercial buildings, and indoor environments where safety is critical.
This handheld carbon monoxide tester provides accurate and reliable readings, helping users assess ventilation performance and identify potential air quality issues. It is widely used by safety professionals, building inspectors, and HVAC engineers who require dependable air quality data.

4-in-1 Indoor Air Quality Monitoring
The Extech CO260 combines multiple measurements into one portable device, making it a practical solution for air quality testing.
It measures:
- Carbon monoxide (CO)
- Carbon dioxide (CO₂)
- Air temperature
- Relative humidity
This makes it a versatile CO₂ meter and carbon monoxide meter handheld solution for monitoring indoor environments and improving ventilation performance.
Accurate CO and CO₂ Measurement
The Extech CO260 is designed for dependable gas detection and monitoring in real-world environments.
- CO measurement range up to 1000 ppm
- CO₂ measurement range up to 5000 ppm
- Fast response time for real-time readings
- Stable and reliable sensor performance
As a CO meter and handheld carbon monoxide tester, it allows users to quickly detect harmful gas levels and take appropriate action to maintain safe conditions.
Designed for Indoor Air Quality Testing
The Extech CO260 is built for use in a wide range of indoor environments where air quality monitoring is essential.
- Offices and commercial buildings
- Schools and public spaces
- HVAC inspections and maintenance
- Indoor air quality assessments
It is an effective tool for evaluating ventilation efficiency and identifying areas where air quality may be compromised.
Easy to Use with Clear Display
The Extech CO260 features a clear display and simple interface for straightforward operation.
- Large LCD showing multiple readings
- Simultaneous display of CO, CO₂, temperature, and humidity
- Audible alarm for high gas levels
- Data hold and Min/Max functions
These features make it easy to monitor conditions in real time and respond quickly to changes.
Data Logging and Portable Design
The Extech CO260 includes built-in data logging for recording measurements over time.
- Stores data for later analysis
- USB interface for data transfer
- Compact and portable design
- Battery powered for field use
This makes it suitable for both spot checks and longer-term air quality monitoring.
Why Choose the Extech CO260?
The Extech CO260 is a reliable and easy-to-use indoor air quality meter that combines multiple measurements in one device. As both a CO meter and carbon monoxide meter, it helps users monitor ventilation, detect harmful gases, and maintain safe indoor environments.
Its combination of portability, accuracy, and data logging makes it a practical solution for professionals who need consistent and dependable air quality measurements.
Extech CO260 CO/CO₂ Meter – Technical Specifications
| Features | |
| CO Range | 0 to 1000 ppm |
| CO₂ Range | 0 to 5000 ppm |
| Temperature Range | -10 to 60°C |
| Humidity Range | 0.1 to 99.9% RH |
| Accuracy | ±5% reading (typical) |
| Display | Large LCD |
| Data Logging | Yes |
| Interface | USB |
| Alarm | Audible |
| Power Supply | Batteries |
| Dimensions | Compact handheld |
| Weight | Approx. 200 g |
| Warranty | 2 years |
Applications:
Indoor Air Quality Assessments
- Monitor CO₂ levels to assess ventilation
- Detect carbon monoxide in indoor spaces
- Improve air quality in buildings
HVAC Inspections
- Check ventilation performance
- Identify poor airflow or air exchange
- Support system diagnostics
Workplace Safety
- Monitor exposure to harmful gases
- Ensure safe working environments
- Support compliance checks
Schools and Public Buildings
- Monitor air quality in classrooms and shared spaces
- Maintain safe indoor environments
Commercial and Industrial Environments
- Test indoor air conditions
- Identify gas build-up
- Improve environmental safety
❓ Frequently Asked Questions (FAQ)
Q1: What does the Extech CO260 measure?
A. The Extech CO260 measures carbon monoxide (CO), carbon dioxide (CO₂), temperature, and humidity.
Q2: What is the difference between CO and CO₂?
A. CO is a toxic gas produced by incomplete combustion, while CO₂ is used to assess ventilation and indoor air quality.
Q3: Is this a carbon monoxide meter?
A. Yes, the Extech CO260 functions as a carbon monoxide meter and CO meter, while also measuring CO₂ and environmental conditions.
Q4: Can it be used as a handheld carbon monoxide tester?
A. Yes, it is a portable and handheld carbon monoxide tester designed for indoor air quality assessments.
Q5: Does the CO260 log data?
A. Yes, it includes data logging and USB connectivity for analysis.
Final Thoughts
The Extech CO260 is a practical and reliable CO/CO₂ meter designed for accurate indoor air quality monitoring. As both a CO meter and carbon monoxide meter, it provides essential data for maintaining safe and comfortable environments.