Testo 0564 2560 coolant tester set - Testo 0564 5501, With this smart Testo 550s set you are immediately ready to start measurements for commissioning, service and maintenance of refrigeration and air conditioning systems, as well as heat pumps. Included in the set are the smart Testo 550s digital manifold including Bluetooth and 2-way valve block, two cable-bound pliers temperature sensors (NTC) and a robust carrying case. Additional Bluetooth sensors, e.g. for wireless measurement of temperature and vacuum, are available separately. Testo 0564 5501 550s digital manifold, Bluetooth, 2-way valve, Temp sensors
