The TK3B Series stainless steel battery-operated paddle wheel flow meter has been designed for tough industrial applications. The TK3B series paddle wheel flow meter has been engineered to provide long-term accurate flow measurement for liquids. The 316SS in-line flow meter is equipped with a 360° rotatable vivid backlit LCD display showing both Flow Rate & Flow Total. The re-engineered low-drag, fluid-dynamic design of the paddle wheel allows it to stand alone as the industry’s most accurate flow meter.