Global Science Education
The speed of sound timer measures the time of sound traveling in a classroom to calculate the speed of sound by calculating the traveling distance of sound and the time.
【Overall Advantages to Users】
[ Timer unit ]
●Switch: Sound detector to start a timer on, Light detector to stop the timer.
●Display: 7 segments LED, 4-digit
●Measuring time range: 1/10000 – 999.9sec
●Size: 230 × 95 × 65mm
●Power supply: Dry cell battery, AA 4 pcs (not included)
[ Flash lamp unit ]
●Size: 140 × 110 × 30mm
●Power supply: Dry cell battery, AA 3 pcs (not included)
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