Hvac Shop Blog
Testo 557 vs Fieldpiece SM480V for Australian HVAC Techs
Choosing between the Testo 557 and Fieldpiece SM480V? This Aussie Tradie’s Guide compares both digital manifolds for HVAC techs in Melbourne, Sydney and Brisbane. Learn how to connect your Testo 557 Bluetooth, use the vacuum probe and micron gauge, and discover which tool delivers the best accuracy and reliability for Australia’s climate. Includes a detailed comparison table, compatibility tips and maintenance advice for professionals who want dependable results on every job.