Acrylic Body Rotameter is basically a variable area flowmeter. It is used to measure the instant flow rate of liquid & gases. (e.g. Water Salt Water, Air, N2, H2, Natural Gas, etc. The essential working part is tapered flow tube precision machined inside the transparent acrylic block. When flow occurs, Position of float indicates the flow rate on scale engraved on acrylic body. The Acrylic Body intergral machined cut in acrylic body from imported transparent acrylic blocks, sheets.