Menu-guided test procedure for pressure sewer pipes in operation. The option includes the two test procedures developed by Augsburg University of Applied Sciences on behalf of the Bavarian State Office for the Environment: - HSA standard procedure - HSA 20-minute test The fully automated test procedure requires an MPP (30-30/70-35), a pressure sensor with sufficient accuracy for the selected test pressure (minimum accuracy of 0.01 bar), an EDS2 flow meter and an EDS2 automatic drain.