Model 515 Standard Mount Paddlewheel. When choosing this style of sensor, the instrument can be mounted nearby on a pipe or wall or in a remote location up to 61 m (200 ft) by connecting the sensor through a standard 3-8050-1 universal junction box. Standard cable length is 7.6 m (25 ft). Use Signet fittings for proper seating of the sensor into the process flow. Sensor, Polypropylene, PVDF (natural), Black PVDF; 0.5 to 4 inch