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Overview

Turbidity is a measure of the degree to which the water loses its transparency due to the presence of suspended particulates. SEKO’s turbidity sensors measure the amount of light that is scattered by the suspended solids in water. As the amount of total suspended solids (TSS) in water increases, the water’s turbidity level (and cloudiness or haziness) increases.

These sensors are used in river, wastewater and effluent measurements, control instrumentation for settling ponds, sediment transport research, and laboratory measurements.The dual pulsed light beam system compensates for drift from any optical components, while digitized signals inside the probe body reduce the possibility of electrical interference in the signal transmission.

S462 Turbidimetric cell
Thanks to the dual sensor system, turbidity can be measured at low and very low concentrations with high levels of precision and repeatability. The absence of contact with the measuring liquid and the optical LED technology makes the system stable over time and minimizes the need for recalibration. The cell can be installed directly in-line. The maximum allowable pressure is 6 bar, or on bypass piping. The flow rate does not affect the measurement. Suitable for water treatment plants, on leaving the filtration or decantation sections, waste water refining plants for agricultural or industrial reuse, food industry, in particular in the production of beverages, wine, beer etc., swimming pools.

S461 Turbidity probes
The measurement is performed by using a 90° scattered light method compliant with ISO 7027 / EN 27027. The turbidity of the medium is determined by the amount of scattered light. Suitable for untreated water and well water, surface water, drinking water, process water, industrial and municipal wastewater, low turbidity waters. Benefits include reliable concentration measurements using optical method, a glass oleophobic coating, a pulsed infrared scattered light technology, no mechanically moving parts, digital reading, accuracy increased by sensor data processing.

S461 TT
Turbidity sensor with Modbus RTU Standard, Protocol RS485. Guaranteed precision and short response time control. Suitable for
sewage treatment, sludge application, waste water and fish farming.

S461 LTSS
Low range turbidity sensor with 4 – 20 mA output. Guaranteed precision and short response time control. Suitable for food and
beverage.

S461 LTPVC
middle range turbidity sensor with 4 – 20 mA output. Guaranteed precision and short response time control. Suitable for untreated water and well water, surface water, wastewater.

S461 mT
Turbidity sensor with 4 – 20 mA output. Guaranteed precision and short response time control. Suitable for untreated water and well water, surface water, wastewater.

S461 ST
High turbidity sensor with 4 – 20 mA output. Guaranteed precision and short response time control. Suitable for sludge application.