Non-contact Photoelectric Tachometer Laser Linear Speed Tester Digital Display Rubber Hammers 【Durable】There are protective sleeves on

【Durable】There are protective sleeves on both sides of the ladder body to prevent collisions between the chuck and the ladder support

Effective distance: 50mm to 500mm

Vent design

Lithium battery charging

The tachometer is a mechanical measurement instrument for measuring the rotating speed of rotating objects

Non-contact Photoelectric Tachometer Laser Linear Speed Tester Digital Display Rubber Hammers 【Durable】There are protective sleeves onShips FREE Handling Day: 1 3 Days, Arriving Day: 15 35 Days[SHORTDESCRIPTION] High resolution Automatic storage Wide measuring range Laser measurement speed is fast Clear reading without parallax Non contact measurement is safer Packing List ^_^: bb4922fcc76ac8670cb8d1d61ccacd56