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Compact design with low-friction, adjustable needle pressure for sharp, accurate readouts. Timer is equipped with 10-Hz and 60-Hz settings that provide clear print, even for a relatively slow-moving dynamic cart. Unit may also be used in a vertical position for falling body experiments. Operates on 120-V AC. Timer comes with 1 roll of recording tape, padded clamp for attaching timer to table top, and instructions. Device size, 3-1/2 x 3-3/4 x 1-1/2". Tape size, 1 cm W x 40 m L.
Compact design with low-friction, adjustable needle pressure for sharp, accurate readouts. Timer is equipped with 10-Hz and 60-Hz settings that provide clear print, even for a relatively slow-moving dynamic cart. Unit may also be used in a vertical position for falling body experiments. Operates on 120-V AC. Timer (item #751785) comes with 1 roll of recording tape, padded clamp for attaching timer to table top, and instructions. Device size, 3-1/2 x 3-3/4 x 1-1/2". Tape size, 1 cm W x 40 m L. Order item #751786 Spark Recording Tape, Pack of 10, to refill Spark Timer.
