3W Expo 2013 is an International Expo on Water, Wastewater and Waste Treatment Technologies and Management.

This COD Analyzer was developed under supervision of the Federation of Thai Industries (FTI) and the Department of Industrial Work (DIW).

Industrial Test Systems, Inc. (ITS) introduces a new photometer using a patented method and technologies that offer faster, safer, easier, and more precise water test.

Ultrapen New model
*** Accuracy test and easy to carry with the case pocket