Photogate Timer with 5 Timing Modes, Pair of Photogates and Mounting Rods Subcategory_Skeletons Demonstrates the one-way current behavior

Demonstrates the one-way current behavior of a rectifier diode rated up to 6A at 400V

supplying replacements when the originals lose loft or split during repeated charging cycles

sodium benzoate

5°C in a protective case for paired wet and dry bulb humidity readings

Used to draw electrons from glass and ebonite rods during rubbing

Photogate Timer with 5 Timing Modes, Pair of Photogates and Mounting Rods Subcategory_Skeletons Demonstrates the one-way current behaviorFive timing modes (Interval, Frequency, Period, Count, Stopwatch) drive a pair of photogates on mounting rods, capturing pendulum periods, freefall times, and rolling velocities.