For refrigeration engineers: The set contains two testo 549i high-pressure measuring instruments, two testo 605i thermo-hygrometers and two testo 115i pliers thermometers. In combination with your smartphone/tablet, the set is ideal for service, troubleshooting and installation of air conditioning and refrigeration systems. With the testo Smart Probes App you can work more easily and efficiently: over 90 stored refrigerants, automatic calculation of superheating/subcooling, target superheat and cooling/heating capacity, sending measurement data protocols as PDF or Excel files directly by e-mail. Product benefits: https://elecena.pl/product/18310378/0563-0002-41-testo-smart-probes-refrigeration-set-plus-bluetooth 2021-05-03 https://elecena.pl/product/18310378/0563-0002-41-testo-smart-probes-refrigeration-set-plus-bluetooth 2022-01-15 https://elecena.pl/product/18310378/0563-0002-41-testo-smart-probes-refrigeration-set-plus-bluetooth 2022-07-28 https://elecena.pl/product/18310378/0563-0002-41-testo-smart-probes-refrigeration-set-plus-bluetooth 2022-12-02 https://elecena.pl/product/18310378/0563-0002-41-testo-smart-probes-refrigeration-set-plus-bluetooth 2024-04-13 https://elecena.pl/product/18310378/0563-0002-41-testo-smart-probes-refrigeration-set-plus-bluetooth 2025-04-07 https://elecena.pl/product/18310378/0563-0002-41-testo-smart-probes-refrigeration-set-plus-bluetooth 2026-02-08