Feature: 1. EASY TO USE: Press the TEST key lightly to activate the infrared beam perpendicular to the tested object; Aim the beam at the rotating reflective strip and keep the distance between the two within 500mm.2. SEMICONDUCTOR SENSOR: Measuring effective distance from 50mm to 500mm; Measuring range 3 to 100000RPM. Sampling time, 0.8 seconds (above 60 rpm). 3. VALUE LOCKABLE: Lock the maximum, minimum, and real time values during the measurement process; Gently press the MAXIMUM button to lock the maximum value; Press the MAXIMUM button again to lock the minimum value. 4. EASY CARRYING: With a small size and being lightweight as well, the tachometer can be easily carried for different scenes to use. 5. ABS MATERIAL: Made of premium ABS material, the meter is wear resistant, scratch and impact resistant, ensures a long term use. Specification: Item Type: Digital Tachometer Package List: 1 x Digital Tachometer 2 x Reflective Paper 1 x Manual |