The MS 400 performs repetitive shock, loose load, or bounce tests in accordance with ISTA, ASTM, TAPPI, ISO, MIL-STD, UN, DOT, and other industry, government, and international standards.

The MS 400 operates on an eccentric cam principle, and can be easily adjusted to perform circular-synchronous or vertical linear motions.

The MS 400 can handle individual packages and/or containers weighing up to 400 lbs. (181 kg).  The standard test platform  is 48 in. (122 cm) square. The operating frequency range is from 2 – 5 Hz., with a fixed 1 in. (2.54 cm) displacement and a maximum acceleration of 1.25g peak.