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ECD offers turbidity analyser.

ENGINEERS in charge of drinking water treatment plants will want to learn more about the precise, low-maintenance Triton TR8 turbidity analyser (TA) from Electro-Chemical Devices (ECD), ideal for monitoring turbidity in filter backwashing systems to optimise plant efficiency.

Filter backwashing is a critical part of the drinking water production process. During backwashing, water flow is reversed and increased in order to flush out debris and particles.

Turbidity is used to monitor the progress of the cleaning, and when the turbidity returns to a value near the turbidity of the clear well water the backwash cycle is stopped. Backwashing cleans the filter to preserve water quality and also extends the life of the filter; however, backwashing too frequently can lead to degraded filter performance.

Accurately measuring the turbidity of the water coming out of the filter is the best way to determine when backwashing should occur, optimising drinking water plant performance and minimising operating costs.

The Triton TR8 clear water sensor is ideal for all phases of drinking water processing including filter backwash. The highly accurate Triton TR8 TA operates over wide measurement range with output available in multiple units: 0.000 to 9999 FNU, or 0.00 to 3000 ppm, or 0.0 to 3.0 g/l, or 0 to 20 per cent.

The TR8 TA sensor features an error rate of less than 5 per cent of reading with repeatability greater than 1 per cent of reading.

The product's sensor features a unique multi-pathoptical assembly. The first pathway is inside the sensor to a reference detector that compensates for changes in the LED light source caused by aging or other variables.

The second pathway has a short path length through the sample, which is best for high concentration measurements. The third pathway has a longer path length, which is best for lower concentrations. ECD is a manufacturer of liquid analytical process instrumentation.

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Publication:Oil & Gas News
Date:Oct 1, 2012
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