Safety Source provides posi-checks for all makes of Self-Contained Breathing Apparatus (SCBA) and Supplied-Air Breathing Apparatus (SABA). We use Honeywell Analytics Posi 3 USB to test your equipment. The Posi 3 USB incorporates a number of hardware and software improvements to keep pace with increasingly rigorous testing criteria. Test results are supplied to you upon completion, and backed up in our database for safekeeping. This ensures that you always have access to proof of compliance.