Testo 557s Smart Digital Manifold Kit with wireless temperature and vacuum probes, -14 to 870 psi
Testo 557 Digital Manifold Gauge 4-way Clamp Temperature Probes Case With Hoses - Pressure Gauges - AliExpress
TESTO 557 GAUGES FIRST HOOK UP - YouTube
Testo 557 review by TruTech Tools
testo 557s Smart Vacuum Kit with 4 hoses – Smart digital manifold with wireless vacuum, wireless temperature probes, and 4 hose set | Digital manifolds for heat pumps | Manifolds | Pressure measurement | Website | Testo, Inc
On the safe side!
Evacuation Of A Refrigeration System - Testo 552 Vacuum gauge - YouTube
Testo 557 Hoses - Digital Manifold Kit with Bluetooth and Set of 4 Hoses | TEquipment