Timer sing cerdas
Gelsonlab HSPM-049 Timer sing cerdas with build in Li battery
LCD light-up display . internal memo .( Up to 20 data points can be recorded) come complete with 2 Photo gates. can measure the time interval between two photo gates, measure the time Timer sing cerdas takes to pass through one photo gate, measure acceleration of a released ball, determine the acceleration due to gravity (with a picket fence), determine elastic and inelastic collision times, calculate cycles, determine the frequency of a rotating object, determine the period of a pendulum, and count time with great accuracy.