Hvac Shop Blog
Building Compliance Audits: Testo 557 Reporting for Aussie Sites — How to Pull a Vacuum with Testo 557
Evacuations that pass audits: see how to pull a vacuum with Testo 557, capture microns, and align with Australia’s refrigerant rules. We cover probe setup, rise tests, reporting, and a light comparison to SM480V—plus upkeep and when to upgrade—so your documentation stands up from Perth to Brisbane.