Testo Inc., a manufacturer of test and measurement instruments, has announced its fall promotional campaign, “60 Years of Excellence,” to celebrate the company’s 60th anniversary.

The promotion offers customers a chance to receive a free Testo 770-3 hook clamp meter with the purchase of any 320 or 330 combustion analyzer kit as well as an extra year of sensor warranty.

The Testo 320 and 330 combustion analyzers can perform tuning and troubleshooting on residential, commercial and light-industrial appliances and include precalibrated, user-replaceable sensors, and full-color graphic displays. The Testo 770-3 hook camp meter, which is suitable for electrical work in all HVAC applications, allows users to work safely in tight spaces and identify the testing in-process with hook-on clamp, Bluetooth functionality and other features designed specifically for HVAC techs.

The offer is valid for purchases Aug. 1-Dec. 31 at all Testo authorized distributors, with redemption accepted through Jan. 31, 2018. Visit www.testo.com/promo for redemption forms or to learn more.