C070 Contact and optical type digital tachometer 2.5÷9999.9 rpm Fervi

C070 Contact and optical type digital tachometer 2.5÷9999.9 rpm with reflective stripes Fervi Italy.

Rotation laser speed 2,5 ÷ 9999,9 rpm
Rotation contact speed 0,05 ÷ 999,9 rpm
Surface speed 0,1 ÷ 999,99 m / min
Reading 0,1 (2,5 ÷ 999,9) rpm g
Reading 1 (1000 ÷ 9999,9) rpm g
Use distance da 50 ÷ 60 mm a 50 ÷ 250 mm (con ottico)
Accuracy ± 0,05 % + 1 digit
Overall sizes 220 x 75 x 29 mm
Battery 4 x 1,5V AA
Working temperature 0℃ ÷ 40℃
Sampling time 0.8 s
Gross weight 0,56 kg