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laser + contacting type Store in memory Max / Min / Last value that can be displayed by turn at any time. 5 digit LCD display Specifcation: Range: 2.5~99, 999 rpm ( LASER) Range: 0.5~19, 999 rpm (contacting) Resolution: 1.0 rpm Accuracy: +/- (0.05% +1digit) Measuring Distance: 2M (LASER type) Power: 1.5V(AA) x 4
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