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60 Built in refrigerants
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Additional 12 month (3 year) product
warranty with registration -
On-site Reporting/ Monitoring Via Testo Refrigeration App
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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.