Product Review

Specification: Measurement range: Photo tach: 2. 5 to 99, 999 RPM Contach tach: 0. 5 to 19, 999 RPM Linear speed: 0. 05 to 1, 999. 9(meter/min) Linear speed distance: 0. 02 meter(0. 05 to 99, 999m) Resolution: Photo tach: 0. 1RPM(2. 5 to 999. 9 RPM); 1RPM(over 1, 000 RPM) Contach tach: 0. 1RPM(0. 5 to 999. 9RPM); 1RPM(over 1, 000 RPM) Linear speed: 0. 01 meter per min(0. 05 to 99. 99 m/min); 0. 1m/min(over 100m/min) Linear speed distance: 0. 02m(0. 05 to 99, 999m) Time Base: 6MHz Quartz crystal Display: 5 digitals, digital numbers high up to 0. 7 inches Accuracy: +(0. 05% + 1 digit) Sampling Time: 0. 8 sec. (over 60 RPM) Test Range select: Automatic Memory: Automatic memory maximum, minimum and the last reading Effective Distance: 2 to 20inch/50 to 500mm(photo tach) Power Consumption: Approx. 30mA Battery: 4x1. 5V AA(included)/6V direct current stable voltage power Size: 8. 3x2. 9x1. 5inches/210x74x37mm Operating Temperature: 32 to 122F/0 To 50C Package Content: 1 x Carrying Case 1 x Bolt bag 1 x Operation maunal Reflecting tape marks length 23. 6inches 1 x Linear speed measurement fitting 3 x Contact rotational speed measurement fitting 1 x Non-contact Photo Tachometer