Features:

• Designed for perfect fit. 
• Ideal for applications where a contact tachometer would be unsafe to use or will not reach. 
• Just apply some of the supplied reflective material to the moving part and point the tachometer at it. 
• The tachometer measures how often the reflective tape passes in a given time and calculates the rpm. 
• Mine Handheld Gun Type Design. 
• Wide Range of Measurement and High Resolution. 
• Automatic and Manual Measurement Functions. 
• Data Record and Recall (60 Readings Max). 
• Max/Min/Avg Value Record Function. 
• Record Time Interval Setup Function. 
• LCD with White Backlight. 
• Data Hold Function. 
• Auto and Manual Power Off. 
• Low Battery Indication. 
• CE and RoHS Compliant. 

Specifications: 

• Measuring Range: 2.5 to 99999 RPM. 
• Resolution: 0.1RPM at 2.5-999.9RPM; 1RPM at 1000 to 99999RPM. 
• Accuracy: ±0.02% + 1Digit. 
• Measuring Distance: 50 to 500mm. 
• Sample Time: 0.5s (above 120RPM). 
• Operational Temperature: 0 to 50 Degree Celsius. 
• Operation Humidity: 10 to 90%RH. 
• Storage Temperature: -10 to 60 Degree Celsius. 
• Storage Humidity: 10 to 75%RH. 
• Dimensions: 145 x 90 x 35mm. 
• Power By: 9V/6F22 Battery (Not Included). 
• Net Weight: 100g (Without Battery). 

Package included: 

• 1 x NKTECH NK-300 Digital Tachometer (9V Battery Not Included). 
• 1 x NKTECH TL-1 Screwdriver. 
• 1 x English User's Manual. 
• 1 x Carrying Bag.