1. Non-contact laser sensor, high precision and fast measurement, safer to use 2. High sensitivity, stable and reliable, safer to use 3. Simple button, easy to operate 4. With portable handbag, easy to use, protect the safety of the instrument 5. HD large screen, digital display, clear reading 6. Memory automatic storage function, after the measurement, the maximum value, minimum value and last value are automatically stored in the meter, press the memory key to view 7. Non-contact photoelectric technology design, for some fast and can not measure the object to detect, such as fan motors, aircraft propellers, cars, etc. 8. Scope of application: commonly used in motors, fans, paper, plastics, chemical fiber, washing machines, automobiles, aircraft, ships and other manufacturing range 9. Power supply: 1 section 9V battery (not included) 10. Size: 13.1 x 7 x 2.9cm 11. Weight: about 130g Usage: 1. Turn on the power, press and hold the measurement button 2. Put the reflective paper on the fan blade of the measuring fan 3. Align the reflective paper on the fan blade and measure to get the speed value
