Login
Retrieve Password
Enter your email address and your password will be emailed to you.
An e-mail has been dispatched with your login information.
Enter your email address and your password will be emailed to you.
An e-mail has been dispatched with your login information.
TESTO, INC. is a world leader in the design, development and manufacture of portable test and measurement instrumentation. Backed by over 50 years of measuring engineering experience our mission is to provide the best quality, service and value in the industry.
In addition, Testo is recognized as the leading worldwide manufacturer of portable combustion efficiency analyzers and air emission analyzers. Testo has also 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 biotech, and residential HVAC suppliers.