The Akron 9301 Portable Flow Meter is designed for testing nozzle and hydrant flows. The unit operates with a self contained 12 VDC dry cell battery and includes a Console with Meter and a Body with adapters for the Flow and Pressure Sensors and necessary Wiring, all housed in a convenient Carrying Case. The dry cell battery has an average life of 10-12 hours on a full charge. A 110 VAC and a 12 VDC charger are also included.