Fixed and portable ultrasonic flowmeters with laid on sensors (produced by firm “Flexim”, Germany). These devices are intended for velocimetry, indicate volume and mass velocity of liquid or gas without breakdown of pipe and halt in piping operating mode.
Detailed description of the device is on the site: http://www.tek-know.ru/b.html
Business, business and once again business - here is the main point of system "Bizator". "Bizator" is the powerful tool for conducting and promotions of business by means of a network the Internet.