Tachometers Photo & Contact type 2 in 1 Compact and lightweight for carrying

Compact and lightweight for carrying in your hand or pocket

See these notes for working with an Arduino Mega

Power Supply with a 140 W dual output configuration

1% to 99% Duty cycle

Tachometers Photo & Contact type 2 in 1 Compact and lightweight for carryingPhoto tach. 5 to 100,000 RPM Contact tach. 0. 5 to 19,999 RPM Can measure surface speed Includes Both a Photo and Contact Tachometer in One Precision Instrument. Comes complete with accessories, reflective tape and carrying case Photo tach. 5 to 100,000 RPM, Contact tach. 0. 5 to 19,999 RPM Includes both a photo and contact tachometer into one precision instrument. Comes complete with accessories, reflective tape and carrying case, Can measure surface