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.

More about the Testo Group

No matter how demanding your project may be, we can offer you the right solution.

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testo Smart App

One app for all measurements

The testo Smart app guides you quickly and easily through measurements on refrigeration, air conditioning and heating systems.

New Features:

PRO measuring programs to increase the efficiency of your applications

>> Adjustments to the ventilation system

>> Multi-measuring point measurement

More Info

Multifunctional

Compatible with all Bluetooth-enabled Testo measuring devices.

Efficient

Reports can be sent directly via email.

Fast

All measured values at a glance.

Simple

Intuitive menus

Clever

Free to download, free to use (Base App)

NEW

PRO Measurement Programs (subscription required)

Our service

Contact

Contact

Testo North America
2 West Market Street, Suite 500
West Chester, PA 19382

484-350-4318
info@testo.com

Register product

Your measuring device type:

Exhaust gas
Air conditioning
Refrigeration

Know-How

To the download center

Here you will find:
tips & tricks,
video tutorials,
webinars,
seminars,
software

Our success lies in diversity

Focus on our corporate family

Testo SE & Co. KGaA

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.

Testo Industrial Services GmbH

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.

Testo Saveris GmbH

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.

Testo Sensor GmbH

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.