The MS6208A is a contact-type digital tachometer with stable performance, high reliability and high safety performance. The core component of the meter is a compact high-speed integrated chip. The meter will display rotation speeds from 50RPM---19999RPM. The LCD is backlit to allow making and reading measurements in low light conditions.                                                                                                          <br />Contact Measurement  50～19999RPM  ±(0.03%+2)<br />Measuring Distance   N/A<br />Auto Power Off  30S<br />MAX/MIN/AVG Functions  √<br />m/min m/sec ft/min ft/Sec in/min  unit selection  √<br />Data Logging   100 groups<br />Data Hold   √<br />Display Back light  √<br />Low Battery indication  √<br />General<br />Power Supply  4x1.5AAA Battery<br />Product Size   193mm x60mm x 29mm  (7.5" x 2.4" x l.l ")<br />Product Weight  120g(0.31b)<br />Category   CE<br /><br />Package list:<br />Host * 1<br />English manual * 1<br />Accessories * 1 set<br />Carton packaging<br /><img src="//agdetail.image-gmkt.com/m430/045/804/541804045/img/agdetail.image-gmkt.com/045/804/541804045/img/img6.eachbuyer.com/x9/p100/eb5385_4.jpg" />                                                        <img src="//agdetail.image-gmkt.com/m430/045/804/541804045/img/agdetail.image-gmkt.com/045/804/541804045/img/img6.eachbuyer.com/x9/p100/eb5385_5.jpg" />                                                        <img src="//agdetail.image-gmkt.com/m430/045/804/541804045/img/agdetail.image-gmkt.com/045/804/541804045/img/img6.eachbuyer.com/x9/p100/eb5385_6.jpg" />                                                        <img src="//agdetail.image-gmkt.com/m430/045/804/541804045/img/agdetail.image-gmkt.com/045/804/541804045/img/img6.eachbuyer.com/x9/p100/eb5385_7.jpg" />                                                        <img src="//agdetail.image-gmkt.com/m430/045/804/541804045/img/agdetail.image-gmkt.com/045/804/541804045/img/img6.eachbuyer.com/x9/p100/eb5385_8.jpg" />