Turbidity Monitor MLSS
ATi's Turbidity Monitor model A15/76 is capable of achieving reliable low-range measurements of turbidity levels in both drinking water and industrial water treatment applications.
Turbidity is measured in most systems and is a general indicator of the optical clarity of water. The Q46T Turbidity Monitor from ATi is capable of accurately measuring turbidity in clean or waste water. In clean water application the unique sensor flowcell eliminates sample degassing for precise and reliable results. In dirty water applications the Auto-Clean system allows reliable accurate measurement without the need for constant cleaning.
According to the World Health Organization (WHO), the level of turbidity in drinking water should not exceed 5 Nephelometric Turbidity nits (NT ), and ideally should be less than 1 NT . The Q46T Turbidity Monitor from ATi is capable of achieving precise turbidity measurements as low as 0.001 NT and as high as 4000 NT within a single system, and eliminates the need for separate high and low range instruments.
Turbidity levels are traditionally difficult and time-consuming to measure, however the Q46T sensor is designed to operate under pressure to eliminate air bubbles which are a common problem in many turbidimeters, often causing air bubble errors. The turbidity sensor used in the Q46T monitor is a planer sensor with the light source and photo detector mounted on a flat face. The signal generated by the detector is amplified inside the sensor for transmission to the display unit. Periodic pulsing of the light source allows the sensor zero to be adjusted automatically for improved stability in low-range applications. Dual beam technology compensates for any sensor fouling or long term degradation of the light source or detector.
When used in conjunction with the blast Auto-Clean system the monitor can also be in industrial water treatment and can aid compliance with effluent control as part of the Integrated Pollution Prevention and Control (IPPC) guidelines. nder these regulations, manufacturers must demonstrate that they are implementing the 'Best Available Techniques' (BAT) to control water emissions and provide a high level of protection to the environment as a whole. The essence of BAT is that the selection of techniques to protect the environment should achieve an appropriate balance between the environmental benefits and the costs incurred by operators.
The Q46T (auto-clean) Turbidity Monitor also provides manufacturers with a cost-effective BAT. The "air-blast" sensor cleaning system automatically cleans the sensor as often as necessary to maintain reliable measurements.
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