HVAC Controls, Measuring Devices, Water Management. Teksan is Turkish Market Leader In Water Meter Industry. the Old Established Teksan Brand of Water Meters Has Stood for Optimum Precision Since 1955. Teksan Operates Nationally and Internationally as Providing Solutions Which Reflect the Wealth of Knowledge and Experience Gained From Over 62 Years of Dedication To Measuring Precious Resources, Heating and Refrigeration, Measurement Instruments, Water Meters ...