60 Built in refrigerants
Additional 12 month (3 year) product
warranty with registration
On-site Reporting/ Monitoring Via Testo Refrigeration App
Simplified menu structure
The Testo 550 refrigeration gauges instantly displays superheat and sub-cooling for up to 60 refrigerants. It also measures high / low side pressures and temperatures. With its free Bluetooth linked App, the Testo 550 opens up new possibilities for efficient analysis and documentation.