The Companion™ Model 325 combustion analyzer is designed for residential burner-boiler tuning and adjusting. According to the company, this unit eliminates the old, slow, “shaker bottle” technology in ...

The Companion 325M combustion analyzer performs testing of O2, CO2, CO, and draft and efficiency checks. The company says that the analyzer features many upgrades, including convenient backlit display ...

Sparta, NJ (April, 2011) – Testo is pleased to announce the all new 350 portable emission analyzer. This new model represents a complete redesign of the already popular emission analyzer for measuring ...