





Extech CO270 Carbon Monoxide Meter
The Extech CO270 is a compact and user-friendly indoor air quality (IAQ) monitor designed to measure carbon dioxide (CO₂), air temperature, relative humidity, and dew point. It features a large, easy-to-read display with tri-color LED indicators and audible alarms to alert users when CO₂ levels exceed predefined thresholds. Ideal for use in classrooms, offices, warehouses, and healthcare facilities, the CO270 helps ensure a healthy and comfortable indoor environment by providing real-time monitoring of air quality parameters.
Description
The Extech CO270 is a portable indoor air quality monitor that offers precise measurements of CO₂, air temperature, relative humidity, and dew point. Utilizing a maintenance-free non-dispersive infrared (NDIR) sensor, it delivers accurate CO₂ readings without the need for regular calibration. The device features a large, backlit LCD display that simultaneously shows CO₂ concentration, temperature, humidity, and dew point, allowing for comprehensive monitoring of indoor air quality.
Equipped with tri-color LED indicators and an audible alarm, the CO270 provides immediate visual and audible alerts when CO₂ levels exceed user-defined thresholds, ensuring timely action can be taken to maintain a healthy indoor environment. The device also includes a data hold function, allowing users to freeze the current reading for easy recording and analysis.
Powered by three AAA batteries, the CO270 offers long battery life, making it suitable for both stationary and portable applications. Its compact design and lightweight construction ensure easy handling and placement in various indoor settings.
Features
- Maintenance-Free NDIR Sensor: Provides accurate and long-term stable CO₂ measurements without the need for regular calibration.
- Large Backlit LCD Display: Simultaneously shows CO₂ concentration, air temperature, relative humidity, and dew point for comprehensive monitoring.
- Tri-Color LED Indicators: Offers visual alerts with green, yellow, and red LEDs to indicate good, normal, and poor air quality levels, respectively.
- Audible Alarm: Emits a sound when CO₂ levels exceed user-defined thresholds, prompting immediate attention.
- Data Hold Function: Allows users to freeze the current reading for easy recording and analysis.
- Compact and Lightweight Design: Ensures easy handling and placement in various indoor settings.
- Battery Operated: Powered by three AAA batteries, offering long battery life for extended use.
- User-Friendly Interface: Features intuitive controls and clear labeling for ease of use.
- Versatile Applications: Suitable for use in classrooms, offices, warehouses, healthcare facilities, and other indoor environments.
- Portable Monitoring: Ideal for both stationary and portable applications, providing flexibility in various settings.
Includes
- Extech CO270