The PSA 12 is a sound generator device that monitors seal resistance.

The PSA 12 can be used with Patchmaster under Win2000, WinXP, or Mac OS X (10.3.9 or newer). A driver installation is not required, but the PSA-12 support has to be turned on in the Patchmaster configuration dialog.

• Frequency range between 100 Hz and 4 kHz
• Can be connected to active speakers via a standard PC sound connector
• Volume control by PATCHMASTER or potentiometer on an active speaker
• Ready to connect via USB 1.1 or 2.0
• Includes USB cable and headphones
• Supported by Windows2000, XP with Patchmaster 2.11 (or newer)
• Supported by MacOS X (OS 10.39 or higher) XP with Patchmaster 2.15 (or newer)