Turner Designs, Inc. manufactures and markets fluorometers for environmental and industrial uses. The company specializes in the measurement of fluorescent tracers, algal pigments, and other naturally occurring fluorescent compounds. It offers submesible fluorometers, multi-sensor platform, submersible sensors, handheld dataloggers, submersible active fluorometers, laboratory fluorometers, field fluorometers, and online fluorometers; industrial controllers, opti-trace online fluorometers, little dipper in-line fluorometers, and dual channel handheld fluorometers and turbidimeters; and fluorescence sensors specifically designed for industrial and OEM use; and comprising handheld units, online monitoring units, and submersible sensors. Turner Designs provides its products for applications, such as absorbance, turbidity, algal pigments, active fluorescence, ammonium, alkaline phosphatase, CDOM, coliform, cyanobacteria, fluorescent dye tracing, oil in water, and optical brighteners