Originally Posted by Wet_Boots
You can't measure instantaneous forces with measuring devices that have moving parts, since those moving parts will be subject to inertial forces. The reading would lag the actual event, if it was even accurate in the first place. It will probably take a piezoresistive, or piezoelectric, sensor to get the job done.
Moving parts can be compensated for, however even with data adjustments, still not the best tool. If you are going to measure the pressure properly for something like this you are going to need a data logger which will require something other than a dial gauge.