B. I. O-TECH e. K. The World of Flow, Flow Meter, Flowmeter, flow measuring devices for chemical, measuring range Q= 0,015 - 1000 L / min. mini Flowmeter, flow meter, turbine and paddle wheel flowmeters midi Flowmeter, turbine flowmeter to 15 LPM, Compact flow measurement devices, chemical and Oil, flow Meter FCH series, Q= 0,04 - 7.5 L/min.