The TGM is an easy to use mobile device to determine the exact speed of car doors and closures. It consists of a hand held measuring device and a measuring head. The TGM determines the door speed with an resolution of two digits behind the point in m/s...
The new TGMmini combines the accuracy of the TGM with an even easier and faster user experience with no buttons and an all in One Device Design...
Glasmacher Electronic car door closing meters: High quality measuring devices for car door speed and closures.