US Patent 9533856 System for measuring payout length of an elongate member

A system for calculating and displaying a length of payout of an elongate member upon a reel is provided. The system includes a rotatable reel wherein rotation causes the member to be either paid out from or withdrawn toward the reel. A motor is provided and is configured to selectively transmit torque to the reel to urge rotation of the reel. A transmission is in operative connection between the motor and reel, the transmission is configured to transfer torque from the motor to the reel. A sensor is operatively engaged with the reel, the sensor being configured to sense movement of the reel and generate a signal representative of the sensed movement of the reel. A controller that is configured to receive the signal from the sensor, and calibrated to determine a length of hose that is paid out from the reel based upon the signal.