Drop and impact test for helicopters DIS-7000 Series This system is compact and lightweight with an impact resistant, multi-channel, and built-in battery. It can be used for the drop and impact test for aircraft. Products used examples DIS-7000 Series Data Acquisition System for Crash Test Strain gages ASH-A Small-sized High Frequency Response Acceleration Transducer LBT-E Seat Belt Tension Transducer Inquiry