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Leading innovator in state-of-the-art measuring technology

Testo is a Leading innovator in state-of-the-art measuring technology. They are leaders in temperature and pressure measurement instruments. 

State-of-the-art. Fast. Reliable. Testo offers you the ideal measuring instrument for every measurement or  provides you with the complete measurement system straight away.

Testo is a world leader in the design, development, and manufacture of portable test and measurement instrumentation and solutions. Testo was founded in 1957 and has over 60 years’ experience in measurement engineering. It is recognised as the leading worldwide manufacturer of portable combustion efficiency analysers and air emission analysers. Testo's first product manufactured was a simple electronic thermometer and although it is still an expert in temperature measurement products, Testo has in addition become a major supplier of HVAC, critical HVAC, refrigeration, airflow, and environmental monitoring instruments for markets as diverse as chemical, food service and production, pharmaceutical and biotechnology, and residential HVAC suppliers.

Today, Testo’s product line has expanded to include a large variety of temperature measuring instruments, such as data loggers, air velocity meters, humidity and dew point meters, refrigeration service analysers, multifunction instruments, stack gas analysers and air emission monitors, water analysers, tachometers, sound, pressure, and light meters, and thermal imagers.