• Used to measure the RPM of motors and machine parts
• Wide measuring range & high resolution
• The last value/min value will be automatically stored in memory and can be displayed by turn anytime
• The housing has been carefully shaped to fit comfortably in either hand
• Digital display gives exact RPM with on guessing or errors. It is a great tool to measure 
• In the working about wood and metal, it can be used to accurately measure the speed of a lathe

Specification: 

• Display: Large 5 digit 18mm LCD
• Test select: Automatic
• Range: 2.5 to 99,999 RPM 
• Resolution: 0.1 RPM (from 2.5 to 999.9 RPM) 1 RPM (over 1,000 RPM) 
• Accuracy: +/-( 0.05% +1 digit) 
• Distance: 50 to 500mm/ 2 to 20 inch 
• Memory: Last Value, Max Value, Min RPM 
• Size: 125*65mm
• Power: 1 x 6F22 Battery 9V (Not included)