The TDA-101P Mask Leakage Tester is an accessory to ATI's TDA-100P Automatic Filter Tester. It has been designed to test the serviceability of any protective mask worldwide. The TDA-101P, in conjunction with the TDA-100P, can be completely set up in minutes. Utilizing solid-state electronic circuitry with simple menu-driven controls, the TDA-101P enables efficient test and analysis of mask results