by
Campbell Scientific, Inc.
The OBS-5+ system, part of our OBS® line of products, monitors high sediment concentrations using an infrared laser and a proprietary dual photo-detection system (U.S. Patent No. 5,796,481). The probe transmits sediment concentration and depth to a PC via an RS-232 or RS-485 link. It can also record data internally. The OBS-5+ has a Windows GUI ...