Stream Flow Meter Kit-Stream Flow Meter Kit. The easy to use flow meter is fitted with a resettable LCD counter and is powered by a long life battery. The flow meter is supplied complete with a protective carrying pouch, a sturdy hard wearing impeller stick (which disassembles into four parts for easy storage), a compact weatherproof carry bag for all the kit, and a set of three stream elevation rods which allow velocity measurements to be made at fixed heights above the bed of the stream.