Testo India Pvt. Ltd.
Testo India Pvt. Ltd.

Refrigeration & Vaccum Gauges

Digital Manifold

Humidity Temperature Measuring Instrument
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Model ID: Test 550

The testo 550 digital manifold for easy working on refrigeration systems and heat pumps. It can be used for 60 refrigerants with automatic calculations of superheating/ subcooling. The measurement values can now be accessed from a smartphone or tablet via Bluetooth with the help of the integrated app.




  • 60 current refrigerants
  • Temperature compensated leakage test
  • With a practical app: (remote) display, graphical progress display, documentation of readings
  • Automatic heat pump mode

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