With respective ranges of 50–2,000 g and 300–2,000 g and 0.1 g accuracy, i-Freefall 5100 determines impact resistance of such materials as plastic films, paper, and foils via free falling dart or ball method according to ASTM F1709 (method A and method B). Operation requires user to prepare test specimen according to specific standards, adjust instrument height, and attract falling ball. Accommodating specimens >150 x 150 mm, tester features pneumatic clamping.