Digital Speed Meter with Auto- Function, Wide Measuring Range, LCD Display for Engine Speed Measurement. Touch , Memory Function, DT6685 RPM M

Non contact design, it can accurately test the speed of the object without contact, to your , and carry out industrial testing. LCD digital display, it can clearly display the measured speed on the large screen, helping you to better measure and record, and the performance is stable. Storage function, it supports storage of the last, minimum and maximum readings, which can help you enter data better when you are inconvenient to record. Item Type: Tachometer Material: ABS Model: DT6685 Measuring Range: 2.5- 99RPM Resolution: 2.5. .9RPM: 0.1RPM; 1000.99, RPM: 1RPM Accuracy: +Celsius-0.02%+1digtal Measuring Distance: 50-500mm Celsius 2-19.7in Response Time: 0.5s ( 120rpm) Operating Environment Temperature: 0-50 celsius (32-122 Fahrenheit ) Operating Environment Humidity: 10-90% Storage Temperature: -10-60 celsius (14-140 Fahrenheit ) Storage Humidity: 10-75% Battery: 9V 6F22 Battery (Battery Not Included)