Testo® 557s Smart Vacuum Set - Digital fitter's aid with wireless vacuum and T

Start your wireless measurements on refrigeration, air conditioning and heat pumps right away. Thanks to the included Bluetooth vacuum probe, you can even measure vacuum without cables and hoses. You will receive the smart digital fitter's aid testo 557s incl. Bluetooth and 4-way valve block, a wireless vacuum probe testo 552i (Bluetooth), two wireless clamp thermometers testo 115i (Bluetooth, NTC) and a robust carrying case. For other wireless measurements, additional optionally available Testo Smart Probes are ideal.