RMA-13 is a series RM Rate-Master® polycarbonate flowmeter. It is a line of general use, direct reading precision flowmeters suitable for both gas and liquid applications. The Rate-Master® flowmeter bodies can be instantly interchanged, allowing the piping to remain undisturbed, interchangeability of the ranges and easy cleaning. Typical applications include medical equipment, air samplers, gas analyzers, pollution monitors, chemical injectors and cabinet purging.