PH-100A compact Japanese SHIMPO tachometer

Model PH-100A Measuring range 1.0-25.000RPM accuracy 6.0--599.9RPM: ± 1RPM, 600.-99.999RPM: ± 0.006% ± 0.5 digit display 12MM high 5-digit LCD unit of measurement speed: r / h r / min, ft: ft / hr, ft / min, mile: mile / hour, code: yards / hour yards / min, inches: inches / dm / h, m / min length, meters, centimeters, inches, feet, code, all revolutions REV storage system readings stored in the memory 13, and retained for 5 minutes, including the last one, the biggest, the smallest and 10 special measurement display update time 4RPM: maximum 10 seconds, 4RPM-99.999RPM: about one second single-chip CMOS microprocessor control system? beyond the scope of blinking digital voltage less than that displays the words "LOBAT" flashes appear automatically cut off the power supply function display decimal floating structure ABS resin weight of about 180 g Operating temperature? 0 ~ 45 ℃ Standard Accessories a tapered connector, a funnel-type connector, certificate, case, instruction manual, a 6 inches main wheels, three batteries