This non-contact tachometer is a professional and practical motor speed meter to measure the revolutions per minute(RPM) with wide measuring range and high resolution. It's featured with high accuracy measurement, quick measuring time and long detecting distance up to 500mm(20 inch) with laser. This tachometer is very easy to use by applying a reflective tape(included 3 in package) on target object, then aim at the mark by laser beam. This tachometer has wide range of applications, such as measuring rotating speed of machine, motors, wheels, lathe for metal or wood cutting work, 
electrical fan, paper making, plastic industry, chemical fiber, washing machines, car making etc.

Specifications:
Color: Dark Grey
Material: ABS PLastic
Display: 5-digit 18mm(0.7") LCD Display
Measuring Range: 2.5RPM - 99,999RPM
Resolution: 0.1RPM at 2.5-999.9RPM, 1RPM at 1000-99,999RPM
Accuracy: ±(0.05%+1 digit)
Measuring Distance: 50-500mm / 2-20in
Time Base: 6MHz Crystal Oscillator
Test Range Select: Automatic Switching
Sampling Time: 0.8s(over 60RPM) 
Function: Display Last Value, MAX. Value, Min. Value
Power Supply: 1 * 9V 6F22 Battery(NOT Included)
Power Consumption: Approx. 30mA
Working Temperature: 0℃-50℃(32℉-122℉)
Product Size: 130 * 70 * 29mm / 5.12 * 2.76 * 1.14in
Product Weight: 79g / 2.80oz
Package Size: 15 * 9.3 * 5cm / 5.91 * 3.66 * 1.97in
Package Weight: 113g / 4.00oz

Note:
1. You must stick the reflective tape onto the target object before measuring.
2. Do not point the laser beam towards eyes directly; safety eyewear is recommended.
3. Do not use it near explosive gases or in other potentially explosive areas.

Package List:
1 * Digital Tachometer
3 * Reflective Tape Marks
1 * User Manual(English)