Hvac Shop Blog
ARCtick Compliance: How to Connect Testo 557 Bluetooth (Australia-Wide)
Choosing between digital manifolds? This Australian guide shows how to connect Testo 557 Bluetooth, use the external Pirani probe to verify evacuations, and export ARC-friendly job reports. We compare Testo 557 vs Fieldpiece SM480V on micron capability, wireless range, and app workflow, and share calibration/maintenance tips for fewer call-backs from Sydney to Perth. Includes practical buyer notes, FAQs, and one-click links to the Testo range and replacement vacuum probe at HVACSHOP.