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World market leader

in measurement technology.


Testo SE & Co. KGaA, with its headquarters in the Black Forest, is a world market leader in the field of portable and stationary measurement solutions. In 37 subsidiary companies around the world, about 3,500 employees research, develop, produce and market for the high-tech company. The measurement technology expert convinces over 650,000 worldwide customers with highly precise measuring instruments and innovative solutions for the measurement data management of tomorrow.

Winning formula

An average annual growth of over 10 % since founding in 1957, and a current turnover of 400 million Euros impressively demonstrate that the Upper Black Forest and high-tech systems go perfectly together. The above-average investments in the future of the company are a part of Testo's recipe for success.

About Testo

Testo was founded in the Black Forest, Southern Germany, in 1957. The first product was an electric thermometer. 60 years on, we are now a market leader on all continents, with a customer base that is as diverse as our product range: From local trades around the corner to global pharmaceutical groups, every type of business is represented. And they all have to make important decisions in their daily work.

Measuring instruments, solutions and services

Measuring instruments, solutions and services from Testo give them the confidence that they are making the right decision, time and time again. This ensures that foods are safe, heating systems work correctly or that compliance is fulfilled in the production of drugs.

This allows our customers to increase the quality of products and services while saving time and resources. And whenever it comes down to it, and you have to make important decisions, you can rely on Testo – with certainty.

Be sure. Testo.

Testo Australia ... our local story

In 1989 a partnership was formed in Melbourne between Testo SE &Co.KGaA and a local company - Sense Measurements. Sense Measurements was appointed as the local agent for Testo instruments and operated from Glen Waverley in Victoria.

In 2000 Testo SE &Co.KgaA acquired Sense Measurements and Testo Pty Ltd (Testo Australia) a 100% owned subsidiary of Testo SE &Co.KGaA was established. From humble beginnings in Bayswater Victoria, Testo Australia Ltd has now purchased and established its head office in Croydon South, Victoria. Today the company employs a dedicated team to grow our various market segments, offer service and calibration on all our instruments and together with a network of dealers spanning all states in Australia provides excellent customer service to our clients.

Testo Australia Ltd in the early years set its sights on capturing the food market partnering with some of the largest supermarkets and fast food chains to firmly establish itself as a leader in temperature monitoring of food. The thermometers and data loggers used in this market soon became a benchmark within the food industry. Even today they are the popular choice for temperature monitoring by both food retailers and regulators.

Testo Australia over the years has expanded into other markets such as HVAC/R. Emissions, IAQ, Hospitals, Science and Pharmaceutical. The range of electronic digital instruments manufactured by Testo as such, cover a multitude of applications, these include emission monitoring of diesel engines and gas fuelled turbines used in mining and coal seam gas applications, boiler/burner maintenance, thermal imaging cameras for electricians and building maintenance, research and facility management, to name a few.

Another area of growth for Testo Australia is the automated data monitoring of blood fridges, liquid nitrogen tanks in the main within IVF applications and fridges and freezers in hospitals and research. The systems used apply the latest technology using wireless, WIFI and Ethernet technology.

Testo Australia supports a majority of our local universities and TAFE institutions who widely use our instruments for teaching and sponsors awards for the “Apprentice of the Year”.

Values of integrity, teamwork, attitude, performance and passion were chosen to form the framework for our outstanding customer service. Testo Australia have made large investments in technology and staff training to make sure our internal and external processes deliver a high standard of customer satisfaction to our customers and rewarding careers to our employees.


We work hard for our success – and are happy that this is rewarded.


In roughly 60 years of company history, Testo SE & Co. KGaA has written many large and small success stories. Here is an overview of the best ones.

Testo worldwide

With 37 subsidiary companies and over 80 distribution partners, Testo SE & Co. KGaA is represented on all five continents. Worldwide, about 3.500 staff are working for the company.


In roughly 60 years of company history, Testo SE & Co. KGaA has written many large and small success stories. Here is an overview of the best ones.


As a company operating in the air conditioning and environmental measuring technology sector, the sustainable use of resources is an integral part of Testo's self-image.


Find out all about Testo’s certifications here – including ISO 9001:2015 certification. Certificates can be downloaded.