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WTW - a xylem brand
Founded in 1945, WTW has provided outstanding leadership in the design and production of superior quality water testing instrumentation. 2005 marks our 60th anniversary. Laboratory & Field Instrumentation We offer the world's most complete line of pH/ORP, D.O./ BOD/Respirometry and Conductivity Instruments, Turbidity Meters, Photometers with reagents.

On-Line Instrumentation WTW's innovative digital IQ SENSOR NET system has become recognized as the industry standard for the direct measurement of pH, ORP, D.O., conductivity, phosphate and nitrogen parameters.

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