*DISPLAY:LCD
*POTATIVE VELOCITY:2.5-19.999ROUND/MIN
*SURFACE SPEED:0.05-1.999.9m/min
*ACCURACY:(0.05%n+1d)
*Resolution:0.1r/min(2.5-999.9rpm)
*1r/min(over 1.000rpm)
*0.01m/min(over 100m/min)
*MEMORY:MAX/MIN/LASTVALVE
*POWER SUPPLY:4X1.5AA BATTERY
*DIMENSION(mm):190x72x37