CO & CO2 Transmitters

Cutting-edge technology, easy-to-use, rugged design. These are just a few of the features which make the testo 315-3 stand out head and shoulders a...

The easy-to-use testo 480 is a high-precision digital temperature, humidity and air flow meter which allows you to measure, analyze and log all rel...

Carbon monoxide is a particularly dangerous gas. It is colorless, it is odorless and above all it is lethal. That’s why it is so important that CO ...

As an expert in the field of air conditioning and ventilation, you will find the testo 400 universal IAQ measuring instrument ideal. The IAQ measur...

The testo 435 multi-function climate measuring instrument is available in four versions. This testo 435-1 version is the entry-level measuring inst...

Portable measuring data logger for measuring and logging CO, CO2 and Atmospheric Pressure. Logging and measuring: the HD21ABE is the perfect instru...

Air quality control by measuring CO2 in the ventilation systems. The HD37BT… and HD37VBT… series transmitters are used mainly in air quality contro...

Transmitters, indicators and controllers for Relative Humidity, Temperature, Carbon Dioxide (CO2), Dew Point Temperature The instruments of the ser...