Professional measurement technology for daily measurement tasks
With measuring instruments, solutions and services from Testo, you can be sure that you are always making the right decision.
No matter how demanding your project may be, we can offer you the right solution.
One app for all applications
The testo Smart app guides you quickly and easily through measurements on refrigeration, air conditioning and heating systems.
Now New:
PRO measuring programs to increase the efficiency of your applications
Our service
Our success lies in diversity
Focus on our corporate family
Since 1957, Testo has been proving that the Black Forest and high-tech go together perfectly: Our recipe for success includes an unconditional focus on our customers, a progressive corporate culture and above-average investment in research and development.
Our service provider for all aspects of calibration, test equipment management, qualification and validation: Testo Industrial Services GmbH in Kirchzarten is an absolutely reliable partner at our customers' side.
With its expertise in robust, proven sensor technology, intelligent software and comprehensive services, Testo Saveris GmbH ensures its customers' compliance, protects their assets and ensures continuous improvements in process safety.
As an OEM, we are your expert partner for temperature sensors and thermocouples: We develop and manufacture your temperature sensor and thermocouple to fit your application perfectly. From the specification to the application-specific qualified sensor - safety from a single source.