Fluid Components International”s DM20 digital display displays totalized flow readings from the company’s ST Series thermal dispersion mass flowmeters. Designed to replace standard electro-mechanical counters, the DM20 features CMOS technology and incorporates an easy-to-read single line eight-digit black-and-white LCD display that is 0.276 inches high. The display is self-powered with a lithium battery (included) capable of lasting up to 10 years. No separate powering required. Features a 10 kHz count speed, slow speed input for contact closures, and high speed input for linking inputs from a maximum of 18 VDC without a module. UL approved, CSA listed, and CE certified for rigorous industrial environments.