The testo CO₂ Probe Head is a high-precision sensor designed to measure CO₂ concentration, humidity, and air temperature in indoor environments, such as offices, factories, or other controlled spaces. This probe head provides continuous monitoring of key air quality parameters, ensuring that indoor environments remain comfortable and safe.

This probe head offers absolute pressure compensation and calculates important metrics, including wet bulb temperature, dew point, and absolute humidity, making it perfect for comprehensive environmental analysis. Whether you're monitoring air quality in a workplace or ensuring the proper functioning of HVAC systems, this probe provides detailed data that helps maintain optimal conditions.

The CO₂ probe head can be easily attached to a universal handle (sold separately), offering both Bluetooth® and wired connectivity options.