Founded in 1972, Aalborg Instruments & Controls, Inc. is well known throughout the world as a primary manufacturer of precision instrumentation for flow measurement and control. We operate two divisions. The Variable Area Division manufactures a diversified line of flowmeters and needle valves. Constructed of aluminum, brass, stainless steel or PTFE, variable area flowmeters range from microflow to industrial size flowmeters. The Electronics Division produces state of the art thermal mass flowmeters and mass flow controllers for gases and electromagnetic flow controllers for liquids and gases.