Testo 0560 0460 460 tachometer testo 0560 0460 p this pocket sized tachometer from testo provides you with quick and reliable readings when carrying out checks on fans crankshafts and motors and because the checks can be performed while the machines are still running there is no need to stop production or shut down machinery p p what s in the box br tachometer br user manual br protective cap br 2x aaa batteries br calibration certificate br 4x reflectors br wrist strap br belt clip