Starting at $1,619.00 Starting at $1,457.10
  • Usually ships in 2-3 weeks



  • 5in HD display with smart-touch operation
  • Stored, intuitive menus
  • 4 strong magnets with rubber coating
  • E-mailing of reports directly on site
  • O2, CO, 4,000 ppm
  • Residential, commercial and industrial kits available
  • Printer available on select kits
  • Compact flue gas probe


The Testo 300 Combustion Analyzer features a large scratch-resistant 5in HD display with smart-touch operation and replaceable protective film. All the measured values can be seen without scrolling. The scratch-resistant screen in embedded in a robust housing which remains reliable even in tough day-to-day working conditions. Menus for the most important measurements are already stored in the testo 300 and reliably guide you through the relevant application.

The Testo 300 is immediately ready to go at the touch of a button in standby mode. Reports can be created and sent directly on site, with WiFi connection.