Portable Instrumentation
Surface Impact Tester

Battery powered data acquisition unit for measuring impact attenuation characteristics of playground surfaces

Features an all surface mount PCB with 68HC12 micro controller programmed in C

Tripod and Impact Device

Tripod used to position impact device over playground surface

The impact device is the silver hemispherical form visible in the center of the photo

When a key on the handheld unit is pressed the electromagnetic holder supporting the head form is pulsed allowing the head form to fall and impact the surface

This device was designed to be compliant with ASTM specification F1292-99 which details the testing of playground surfaces