Testo® 550s Basic Set - Smart digital installer aid with wired temperat

With the set, you are ready to go for measurements related to commissioning, service and maintenance of refrigeration and air conditioning systems as well as heat pumps: You receive the smart digital fitter's aid testo 550s incl. Bluetooth and 2-way valve block, two cable-connected clamp temperature sensors (NTC) and a robust carrying case. Additional Bluetooth probes, e.g. for wireless measurement of temperature and vacuum, are available separately.