Description: _x000D_ This is a professional and practical tachometer with wide measuring type and range. It is dual use, you can choose non-contact or contact way to test on your needs. With laser technology to targeting, you can get more accurate data. It can be widely used in the field of motor, electrical fan, paper making, plastic industry, chemical fiber, washing machines, car making etc. _x000D_ _x000D_ Features: _x000D_ Dual use for non-contact & contact testing on your needs. _x000D_ Have 4 different connecting head used for contact measuring. _x000D_ Wide measuring type: can test rotational speed(RPM), counter rotating(REV),frequency(Hz),surface speed(m/minute; inch/min; feet/min; yard/min and length(meter, inch, feet, yard). _x000D_ High resolution ratio and 5-digit backlight LCD display. _x000D_ Latest laser targeting technology. _x000D_ All 30 data storage: 10 maximum/ minimum/instantaneous measuring data. _x000D_ Wide measuring range: non-contact way--2 to 99999RPM; contact way--2 to 20000. _x000D_ Sampling time is just 0.5 sec. _x000D_ Extensive usage: usually can be used in the field of motor, electrical fan, paper making, plastic industry, chemical fiber, washing machines, car making etc. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Condition:100% Brand New _x000D_ Power Supply: 9V BatteryNot Included) _x000D_ Display: 5-digit Backlight LCD Display _x000D_ Accuracy: 0.02% +/- 2 digits _x000D_ Contact Measuring Range: 2-19999RPM _x000D_ Non-contact Measuring Range: 2-99999RPM _x000D_ REV Measuring Range: 1-99999 _x000D_ Resolution Ratio: 0.1 or 1 _x000D_ Sampling Time: 0.5sec. _x000D_ Measuring Distance: 50mm-600mm _x000D_ Power Consumption: 45mA _x000D_ Product Size: Approx. 18.5 x 7 x 3cm/7.3 x 2.8 x 1.2in _x000D_ Net Weight: Approx.190g/6.7oz _x000D_ _x000D_ Package List: _x000D_ 1 x Tachometer_x000D_ 4 x Connecting Head _x000D_ 1 x Red Protection Cover_x000D_ 1 x Reflective Tag_x000D_ 1 x Englsih User Manual _x000D_ _x000D_ _x000D_ Note:_x000D_ Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.