KROHNE”s VA 40 variable-area flowmeter is designed for industrial furnaces and primary use in heavy industrial applications. The flowmeter is designed with a glass cone that offers durable performance capabilities for measuring a variety of gases, including air, ammonia, propane, and nitrogen. The flowmeter is also a good fit for measuring fluids, such as air or methanol. Each cone is equipped with a measurement scale that is intended to fit the needs of specific applications and also to accomodate particular operation requirements. The flowmeter offers precise measurements and allows on-site readings to be performed with precision and ease by its users. The flowmeter is able to be installed quickly, regardless of the number of diameters and connections that are required, making it a popular instrument of choice among system engineers.