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DULCOTEST sensors for fluoride

Graduated measuring ranges 0.05 – 100 mg/l

Accurate measurement of fluoride with DULCOTEST sensors in the monitoring of potable water and wastewater, suitable for pH values up to 9.5.

Product description

Reliable online measurement of fluoride – with DULCOTEST sensors

In some countries fluoride is monitored when added to potable water, but also generally during the treatment of industrial wastewater, e.g. in the semiconductor industry and electroplating.

Our product line of DULCOTEST fluoride sensors provides two types of sensor, optimised for these applications.

The sensor consists of a fluoride transducer, the connectable transducer of a reference electrode and a separate temperature measuring unit. The sensor is based on the potentiometric measuring principle with the help of an ion-selective electrode (ISE) and a reference electrode.

The measuring point is available fully mounted on our measuring and control system DULCOTROL with the sensor fitting and controller DULCOMETER diaLog DACb.

Your benefits

  • Precise, real-time potentiometric measurement for efficient process control (short response time)
  • Can be used up to a pH of 9.5
  • Selective LaF3 crystal eliminates interference caused by cross-sensitivities
  • Rapid external temperature compensation eliminates interference caused by influence of temperature
  • Potentiometric principle eliminates interference caused by flow changes
  • Potentiometric measuring principle enables quick commissioning

Field of application

The following list of applications are general examples of generally suitable applications for this product. Please contact your local sales representative to talk about the applicable use of this product in your specific case / environment.

  • Monitoring of fluoride in potable water. In some countries it is standard practice to add fluoride to drinking water to prevent tooth decay.
  • Monitoring discharger limit values in industrial wastewater, e.g. in the semiconductor industry and electroplating

    Technical Details

    • pH value: 5.5…9.5
    • Temperature: 1…35 °C
    • Pressure: max. 6 bar, 3 bar (30 °C)

    Fluoride Sensor FLEP 010-SE / FLEP 0100-SE

    Highly selective, online fluoride sensor, for the fluoridation of potable water and monitoring of industrial wastewater in the semiconductor industry and electroplating with a pH of up to 9.5

    Your Benefits

    • Highly selective measurement of fluoride by LaF3 single crystal silicon
    • Unique pH range of up to pH 9.5 by optimisation of the electrolyte
    • Two measuring ranges available: 0.05 -10 ppm for potable water; 0.5 -100 ppm for wastewater. Higher measuring ranges on request

    Measured variable

    Fluoride ion concentration

    Reference method

    Photometrically

    Measuring range

    With transmitter FPV1: 0.05...10 mg/l
    With transmitter FP100V1: 0.5...100 mg/l

    pH-range

    5.5…9.5

    Temperature

    1…35 °C

    Max. pressure

    7.0 bar (no pressure surges)

    Min. conductivity

    100 µS/cm

    Shaft diameter

    12.0 mm

    Installation length

    120 mm

    Thread

    PG 13.5

    Electrical Connection

    SN6 plug-in head

    Enclosure rating

    IP 65

    Process integration

    Bypass: Open outlet or return of the sample water to the process line, tank, channel: Immersion in the immersion tube

    Flow

    10…200 l/h

    Intake flow (recommended)

    20 l/h

    Response time T95 (open)

    30 s (for conc. > 0.5 ppm)

    Shelf life

    6 months

    Sensor fitting

    Bypass fitting DLG IV

    Controllers

    D1C, DAC, DULCOMARIN

    Typical applications

    Monitoring the fluoridation of potable water in waterworks, industrial wastewater in the semiconductor industry and electroplating.

    Resistance to

    Disinfectant, solids content (turbid types of water)

    Measuring principle, technology

    Direct potentiometric measurement, 2 electrodes, gel electrolyte, ceramic diaphragm, separate temperature measurement needed for temperature compensation. Low pH values of < 5 reduce the concentration of free fluoride ions by forming undissociated hydrofluoric acid (HF). High pH values > 9.5 influence the signal and the slope at concentrations in the lower ppm range. The calibration line flattens off there (gentler slope) and the fluoride sensor is outside its linear range.

    Order no.

    FLEP 010-SE / FLEP 0100-SE

    1028279

    Notes: A 4-20 mA transmitter, a reference electrode and sensor for temperature compensation are needed in addition to the fluoride electrode. Measuring ranges from 5 … 1,000 mg/l and 50 … 10,000 mg/l available on request.

    Downloads for DULCOTEST sensors for fluoride

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    Overview

    Reliable online measurement of fluoride – with DULCOTEST sensors

    In some countries fluoride is monitored when added to potable water, but also generally during the treatment of industrial wastewater, e.g. in the semiconductor industry and electroplating.

    Our product line of DULCOTEST fluoride sensors provides two types of sensor, optimised for these applications.

    The sensor consists of a fluoride transducer, the connectable transducer of a reference electrode and a separate temperature measuring unit. The sensor is based on the potentiometric measuring principle with the help of an ion-selective electrode (ISE) and a reference electrode.

    The measuring point is available fully mounted on our measuring and control system DULCOTROL with the sensor fitting and controller DULCOMETER diaLog DACb.

    Your benefits

    • Precise, real-time potentiometric measurement for efficient process control (short response time)
    • Can be used up to a pH of 9.5
    • Selective LaF3 crystal eliminates interference caused by cross-sensitivities
    • Rapid external temperature compensation eliminates interference caused by influence of temperature
    • Potentiometric principle eliminates interference caused by flow changes
    • Potentiometric measuring principle enables quick commissioning

    Application

    Technical Data

    Downloads

    Contact us

    ProMinent Fluid Controls Ltd.


    »We are always available to help. Don't hesitate to contact us.«

    +1 888 709 9933 

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