A flow analyzer analyzes data consumption of flows associated with a user device of a user. For example, a multi-engine generator set switcher locomotive has three power modules each of which have an engine associated therewith. The member is connected to the housing and extends across at least a portion of the chamber. The use thereof, more particularly for pharmaceutical liquids prone to oxidation and therefore in need of extensive protection from contact with air. A layer of a protective material is disposed on the upper surface of the elongate portion and at least a portion of the layer extends into the groove defined in the front surface of the base portion.