Omega’s FDT-21 ultrasonic flowmeter is designed to measure the fluid velocity of liquid in a full/closed pipe, with accuracy of 1 percent and repeatability of 0.2 percent. The FDT-21 also features a positive, negative and net totalizer. The four-line LCD display makes reading the measurements easy. The flowmeter is a good fit for monitoring liquid flow in manufacturing, chemical treatment, automotive, and biological applications. – www.omega.com