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The Seapoint Turbidity Meter is a sensor that measures turbidity by detecting scattered light from suspended particles in water. Its small size, very low power consumption, high sensitivity, wide dynamic range, and 6000 meter depth capability allow this sensor to be used in most applications where turbidity or suspended particle concentrations are to be measured. The sensor is also insensitive to ambient light when under water and has a very low temperature coefficient.
The Seapoint Turbidity Meter senses scattered light from a small volume within 5 centimeters of the sensor windows. Confining the sensing volume allows the sensor to be calibrated in relatively small water containers without errors from surface and wall reflections. It also allows the sensor to be used in tight spaces such as crowded instrumentation packages, pipes, and shallow streams.
Two control lines allow the user to externally set the sensitivity of the Seapoint Turbidity Meter by choosing one of four gains. This provides an easy means to set the sensitivity to provide the range and resolution required for a particular application. Sensitivities of 2, 10, 40 and 200 mV/FTU are possible. Each sensor is factory adjusted for consistent response to Formazin Turbidity Standard measured in Formazin Turbidity Units (FTU). The user may also calibrate the sensor with particles of interest to measure their suspended concentrations.
The Seapoint Turbidity Meter is constructed of rugged, corrosion resistant materials and quality surface mount electronic components for durability and high reliability.
These units can be used with the Valeport ADU 200 to give a direct reading instrument or with a variety of logging instruments such as the Nortek AWAC ADCP's, Aquadopp current meters or the Aquatec AQUAlogger 200TY.
6000m depth rating.
0-5 volt sensor output.
Insensitive to ambient light.
Easy to interface to a wide range of oceanographic instruments.