Turbidity shows no response to large particles, gets concentration wrong [Sequoia, January 09, 2013] The use of turbidity sensors is widely prevalent in the sediment community. The common practice is to calibrate the turbidity meter...
Optical Transmission: What is it, what it means, and how it is used in LISST instruments [Sequoia, July 12, 2012] Optical transmission is a measure of what proportion of light is transmitted through a turbid medium. Light may be attenuated due to absorption...
LISST-Portable used by USGS in stormwater research [Sequoia, May16, 2012] Sequoia’s LISST-Portable is used for stomwater research by Bill Selbig with the USGS Water Science Center in Wisconsin. He is featured in an article...
Updated 29 April, 2016 The loss of accuracy, i.e. error in concentration can be caused by a number of factors. Overall, the accuracy of LISST instruments is demonstrated by this vertical profile taken in a river by USGS scientists. The black points are...
LISST Current Draws [Sequoia, June 29, 2011] The table lists the current draws (in mA) for different LISST instruments under various scenarios – powering up, idling, sampling and sleeping. Power Up Idling Sampling Sleeping LISST-100X...