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.
Why Won’t My Testo 557 Hold Vacuum in Cold Melbourne Mornings?
Melbourne HVAC techs — learn why your Testo 557 loses vacuum in cold conditions and how to fix it. This guide covers Bluetooth setup, probe use, micron accuracy, and ARCtick tips for winter troubleshooting.
Sydney High-Rise Guide: Evacuating Ducted Systems with Testo 557
Sydney HVAC pros — this guide shows how to evacuate ducted air conditioning systems using the Testo 557 manifold and vacuum probe. Learn how to connect via Bluetooth, pull a deep vacuum, and achieve accurate micron readings across multi-storey installations. Includes a comparison with Fieldpiece SM480V, ARCtick compliance details, and tradie-tested maintenance tips for high-rise work in Sydney, Parramatta, and Wollongong.