MHK ISDB/Sensors/Turbidity Sensor 4112

From Open Energy Information

Turbidity Sensor 4112

Measurement Category: Oceanographic
Operating Environment: Underwater
Version(s): 4112, 4112A, 4112B, 4112C
Communication Protocol: Voltage
Operating Mode: Free Streaming
Power Supply Type: VDC
Power Specification: 7-20 VDC; 3.5 mA average


An 0-5V analog sensor designed for SeaGuard applications. The sensor fits directly onto the SeaGuard Top end Plate using one of the four analog channels.

Sensor Measurements

  • Turbidity (Water)

Notes, Considerations & Recommendations

The Turbidity Sensor 4112 is based on the Seapoint Turbidity Meter. The sensor detects light scattered by particles suspended in water. This measurement is known to have a good correlation to the amount of suspended matter in water and can be used to monitor e.g. sediment, algae or particle pollution. The sensor generates an output voltage proportional to the turbidity or suspended solids. The low power consumption makes it ideal for applications where battery drain is a concern. The sensor offset voltage is within 1mV of zero and requires no adjustment across gains. The unique optical design confines the sensing volume to within 5cm of the sensor allowing near-bottom measurements and minimizing errant refl ections in restricted spaces. Turbidity Sensor 4112 can be mounted directly on the top-end plate of the Aanderaa SeaGuard. The sensor output is analog, and output from SeaGuard is in engineering units (FTU).

User Experience

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