The Mini Laser Photo Tachometer is an excellent tool for mechanics experiments or demonstrations as it allows non-contact RPM measurements of rotating objects. Simply apply reflecting tape on the object to be measured and point the laser for quick and easy measurements.
• Make non-contact RPM measurements
• Memory button holds last reading and recalls min/max readings
• Easy to read large 5 digit LCD display
• Rugged double-molded housing for better grip
• Includes 9V battery