optek has been the world leader in process photometry for nearly 20 years. Turbidity Meters, Converters,Sensors,Probes,Electrochemical,Turbidimeter,Calibra ...

Take the guesswork out of keeping your pool or spa in proper balance. HF scientific and Watts Regulator Company have partnered to develop a state of the art ...

We are in the Scientific Supply business. We will sell large specialized equipment (such as analytical balances) and very inexpensive supply items (like test ...

Designers and manufacturers of innovative turbidity monitor, sediment and water-quality instrumentation for the dredging industry, defense agencies, research ...

Orbeco-Hellige is a leader in the fields of water and wastewater testing instruments, test kits and reagents for industry, public health, science and medicine, ...