Almost brand new Bluetooth Smart Gauges for HVAC/Refrigeration systems. This thing is cool as hell and the app for your smartphone/tablet changes all the temperature and pressure tables depending on refrigerant.
Here???s the website for more info:
https://www.testo.com/en-US/testo-smart-probes-ac-and-refrigeration-test-kit/p/0563-0002-20
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