Founded in 1945, WTW has provided outstanding leadership in the design and production of superior quality water testing instrumentation world-wide for over 55 years. WTW is proud to offer the World’s broadest and most highly accepted product lines.

The product range from WTW offers the world’s most complete line of pH/ORP, D.O./BOD/Respirometry and Conductivity Instruments, Turbidity Meters and Photometers including reagents. WTW systems range from rugged waterproof, portable field meters to an integrated line of laboratory instruments and accessories, as well as completely new multiparameter instruments with state-of-the-art technology.