The STS Group has been developing the world of sensor technology since 1987. Its portfolio includes high-quality pressure transducers, pressure sensors, submersible sensors and data loggers, enabling precise measurements in a wide range of industrial applications and in the water management industry. Customers rely on the precision and reliability of the sensor solution and the expertise of staff in every product and service the company offers. Deep understanding of customers'​ processes allows products to be tailored to individual needs extremely quickly. After more than a quarter century in business, STS has become a market leader with a strong global presence. Customers can find expert partners for sales and service throughout Europe, North America and Asia. The company’s head office is located in Sirnach, Switzerland.

Company details

Ruetihofstrasse 8 , Sirnach , 8370 8370 Switzerland

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Business Type:
Industry Type:
Monitoring and Testing
Market Focus:
Globally (various continents)
Year Founded:

This company also provides solutions for other industrial applications.
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STS Sensor Technik Sirnach AG is a company based in Switzerland and is a developper, manufacturer and solution-oriented vendor / service provider of qualitative high standing transducers, pressure sensors, level probes, submersible transmitters, data loggers, as well as full service solutions and mobile monitoring systems for the water industry and industrial applications.

Innovation capacity, team-spirit, close customer relationships and the local roots despite of the international orientation with subsidiaries in Germany, Italy, France, Great Britain, as well as over 40 active representations worldwide - this is STS Global.Sensor.Excellence.


Since 1987 STS Sensor Technik Sirnach AG with its development and production location in Thurgovia (East Switzerland), is developing the world of sensors. The customer specific high-tech products up to full service solutions with the Swissness from Sirnach are being applied worldwide.

With the Commitment to Development, STS acts as a competent and innovative think-tank for various industrial areas. With the Commitment to Connection we are committed to closeness and active communication towards our customers, the market and our partners as well as collective accomplishment of qualitative high standing, flexible and future oriented products and solutions. With our Commitment to Simplification we finally claim for the simplicity in the complexity for technical solutions.

We are glad to open our doors and invite you to get to know our company and its people a little better on the following sites.


Water can both contribute and threaten life, it is therefore important to know its nature and impact. The products of STS enable you to measure and collect all of the important data and facts.



Whether as a supplier to the world's largest manufacturers of industrial machinery for various application areas, or directly as a competent partner on site: The many years of experience within STS supports you in choosing the appropriate sensor.



As a globally operating company, STS Sensor Technik Sirnach AG holds the necessary global certifications and endorsements.


For 25 years we have been exploring and advancing the world of the sensor system. Swiss quality is encased in every product that we ship. We strive for global sensor excellence.

STS is a diverse, ever expanding global organization with nearly 100 employees working from our headquarters; four subsidiaries, located in Italy, France, Great Britiain and Germany as well as more than 40 distribution partners all over the world. Our operations in the United States, Europe and Japan provide resources close to our customers.

STS Vision 

To be the global leader of speciality niche products and customised sensor products, our sensors provide maximum mechanical and electrical modularity.

STS Mission 

We develop, produce and distribute high-quality pressure transducers, pressure sensors, submersible transmitters and data loggers, as well as integrated measuring instruments for water management and industry.