Turbidity Suspended Solids

turbidityandsuspendedsolidsmonitorSelf Cleaning Sensor for Suspended Solids and Turbidity Monitoring

The TurbiTechw² LS Sensor is designed to monitor the levels of suspended solids or turbidity typically found in final effluent from municipal and industrial wastewater treatment plants. It is also great at monitoring solids in the intake to both effluent and drinking water treatment processes.

Monitoring of these key parameters requires sensors that are reliable and accurate, the TurbiTechw² LS meets this requirement perfectly. The large optical surfaces and sample volume ensure that the information provided by the sensor is both representative of the process and tolerant of fouling. In addition, the sensor incorporates a self cleaning mechanism that ensures that the optical surfaces are kept clean at all times, the cleaning system is designed to avoid problems with ragging and does not smear the optical system.

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  • The normal operating range is between 0 – 50 and 0 – 500 FTU, a version of the sensor is available that extends the range to 0-1,000 FTU.

    The TurbiTechw² LS Sensor employs infrared light at 860 nm using the 90º Light Scatter principle in accordance with ISO7027 (2000). The cleaning process is automatically initiated by the 7300w² Monitor at a user determined frequency. The cleaning process takes only 90 seconds, which means that the sensor is available for 99.5% of the time with a 5 hourly cleaning cycle.

  • Physical
    The normal operating range is between 0 – 50 and 0 – 500 FTU, a version of the sensor is available that extends the range to 0-1,000 FTU.

    The TurbiTechw² LS Sensor employs infrared light at 860 nm using the 90º Light Scatter principle in accordance with ISO7027 (2000). The cleaning process is automatically initiated by the 7300w² Monitor at a user determined frequency. The cleaning process takes only 90 seconds, which means that the sensor is available for 99.5% of the time with a 5 hourly cleaning cycle.

    Interface to Monitor
    Power Supply 12 VDC from Monitor
    Sensor Output ModTechw², RS485

    Environmental Data
    Operating/Storage Temperature 0 to 50ºC
    Location Indoor/Outdoor
    Pressure Rating 10 mWC
    Maintenance
    Service Seal Service every 3500 cleans (application dependent)
    Calibration The sensor is inherently stable, calibration should be carried out to suit the application. Our recommendation is every 6 months.

  • Measuring Characteristics
    Principal of Operation 90° Light Scatter
    ISO 7027 Compliant
    Wavelength 860 nm Infrared
    Accuracy Better than +/-5% of reading on real sample
    Resolution Dependent on range setting, typically +/-2% of reading
    Display Resolution see 7300w² Monitor
    Response Time 0.5 seconds damping provided by monitor
    Flowrate Not affected by flowrate, avoid deadspots and extreme turbulence
    Units User Selectable mg/l, g/l, ppm, %SS, FTU, NTU
    Maximum Range Standard 0-500 FTU
    Extended 0-1000 FTU
    Minimum Range 0-50 FTU
    The actual measuring range will depend on the nature of the sample being monitored, for processes normally operating at 10,000 mg/l or more should consider use of the HR version of this sensor.
    Processes that use carbon will provide higher than expected readings and the HR version of the sensor should be used.

  • Part Number with Description
    223510 TurbiTechw² LS Sensor (Range: 0-50 to 0-500 FTU, Cable Length: 10 metres, Nitrile Seals)
    223875 TurbiTechw² LS Sensor (Range: 0-50 to 0-500 FTU, Cable Length: 20 metres, Nitrile Seals)
    223876 TurbiTechw² LS Sensor (Range: 0-50 to 0-500 FTU, Cable Length: 10 metres, Viton Seals)
    223877 TurbiTechw² LS Sensor (Range: 0-50 to 0-500 FTU, Cable Length: 20 metres, Viton Seals)
    226447 TurbiTechw² LS Sensor (Range: 0-100 FTU, Cable Length: 10 metres, Nitrile Seals)
    225455 TurbiTechw² LS Sensor (Range: 0-1000 FTU, Cable Length: 10 metres, Nitrile Seals)
    223880 TurbiTechw² LS Sensor (Range: 0-1000 FTU, Cable Length: 20 metres, Nitrile Seals)
    223879 TurbiTechw² LS Sensor (Range: 0-1000 FTU, Cable Length: 10 metres, Viton Seals)
    223881 TurbiTechw² LS Sensor (Range: 0-1000 FTU, Cable Length: 20 metres, Viton Seals)
    Mounting Shafts
    152703 FlexTech Mounting Shaft (TurbiTechw² LA/HR/LS, 1.0 metres)
    152701 FlexTech Mounting Shaft (TurbiTechw² LA/HR/LS, 1.0 metres)
    152705 FlexTech Mounting Shaft (TurbiTechw² LA/HR/LS, 1.0 metres)
    Mounting Brackets
    223980 FlexTech Sensor Bracket (Handrail Ø 43 to 60.3 mm)
    224567 FlexTech Sensor Bracket Extension Assembly (500 mm Long, Handrail Ø 43 to 60.3 mm)
    Seal Service Pack
    156260 Seal Service Pack – TurbiTechw² LA/LS, Nitrile H RIngs
    156261 Seal Service Pack – TurbiTechw² LA/LS, Viton H RIngs



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