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DULCOTEST® Sensors for Hydrogen Peroxide

Graduated measuring ranges 0.5 – 2,000 mg/l

Hydrogen peroxide measurement with DULCOTEST® sensors: Efficient and reliable method of determining the concentration of hydrogen peroxide - can be used in a wide range of applications.

Product description

Reliable online measurement of hydrogen peroxide – with DULCOTEST® sensors.

With our DULCOTEST® hydrogen peroxide Due to its complete biodegradability, hydrogen peroxide is a disinfectant and oxidising agent ... more in the glossary sensors PEROX and PER 1, you have the choice of two types of sensor for applications with different requirements.

Sensor PER1-mA is resistant to contaminated water. A compact sensor with integrated transducer and temperature correction, it has a measuring range Defined measurable range within which the errors in a measured variable remain within defined limits. more in the glossary of up to 100,000 mg/l.

The PEROX type sensor has no cross sensitivity to chlorine and with its rapid response time and separate temperature measurement can be used to control fast processes in clear waters, even with the intermittent absence of hydrogen peroxide Due to its complete biodegradability, hydrogen peroxide is a disinfectant and oxidising agent ... more in the glossary.

Your benefits

  • Precise, real-time amperometric measurement for efficient process control (short response time)
  • Amperometric measuring means no clouding or discolouration
  • Stable zero point means no drift
  • Integrated temperature compensation eliminates faults caused by influence of temperature
  • Diaphragm-covered electrodes for reduced dependence on flow and cross sensitivities
  • Short run in period for quick commissioning

Field of application

  • Gas scrubbers, e.g. in municipal and industrial clarification plants
  • Cooling circuits, e.g. in the food industry
  • Groundwater remediation
  • Potable water oxidation
  • Process water disinfection
  • Dechlorination, e.g. in chemical processes
  • Landfill seepage water
  • Biotechnology
  • NOX oxidation
  • Swimming pool water (active oxygen method)

    Technical Details

    • pH range of 2-10 (variable), can be used with constant pH up to pH 12
    • Sensor type PER1 available for contaminated process media
    • Maximum operating temperature up to 50 °C

    Hydrogen Peroxide Sensor PER1

    Sensor for the measurement of hydrogen peroxide even in chemically contaminated and polluted water. Available with measuring ranges for extremely low or very high concentrations

    Your benefits

    • Measured variable hydrogen peroxide, with measuring ranges from 0.5 ppm to 100,000 ppm (10%) available
    • Diaphragm-covered sensor minimises faults caused by changing flow or ingredients in the water
    • Resistance to films of dirt by pore-free diaphragm
    • Operating temperature up to 50 °C
    Measured variableHydrogen peroxide
    CalibrationPhotometric with manual DT3B photometer
    pH range1.0 … 11.0
    Cross sensitivityOzone, chlorine dioxide, peracetic acid, chlorine, bromine
    Temperature0 … 50 °C
    Admissible temperature fluctuation< 0.3 °C/min
    Response time sensor t90approx. 480 sec
    Min. conductivity0.05 … 5.00 mS/cm
    Max. pressure1.0 bar
    Intake flow20…100 l/h
    Supply voltage16...24 V DC (two-wire system)
    Output signal4…20 mA temperature-compensated, uncalibrated, not electrically isolated
    SelectivityHydrogen peroxide selective towards sulphite
    InstallationBypass: open outlet or return of the sample water into the process line
    In-line probe fittingDGM, DLG
    Measuring and control equipmentD1Cb, DAC
    Typical applicationsSwimming pools, treatment of contaminated waste waters, treatment of process media from production
    Resistance toSalts, acids, alkalis, surfactants, dirt films, not against hydrogen sulphide (H2S)
    Measuring principle, technologyAmperometric, 2 electrodes, membrane-covered
    Measuring rangeOrder no.
    PER 1-mA-50 ppm0.50…50.0 mg/l1030511
    PER 1-mA-200 ppm2.00…200.0 mg/l1022509
    PER 1-mA-2000 ppm20.00…2,000.0 mg/l1022510

    Important note: Measuring ranges up to 100,000 ppm on request

    Note: a mounting kit (order no. 815079) is required for initial fitting of the sensors in the in-line probe housing DLG III.

    Hydrogen Peroxide Sensor PEROX

    Sensor for the measurement of hydrogen peroxide without cross-sensitivity to chlorine. Can also be used for fast control processes in clear water

    Your benefits

    • Measured variable hydrogen peroxide without cross sensitivity to chlorine
    • Diaphragm-covered sensor minimises faults caused by changing flow
    • Control of fast processes through rapid response time by the sensor in conjunction with fast external temperature measurement for temperature correction
    • Reliable measurement even after periods of absence of hydrogen peroxide by pulsed, self-regenerating measuring electrode
    Measured variableHydrogen peroxide
    CalibrationPhotometric with manual DT3B photometer
    Measuring range1… 20/10 … 200/100 … 2000 mg/l switchable
    pH range2.5 … 10.0
    Temperature0 … 40 °C
    Admissible temperature fluctuation< 1 °K/min (for external temp. measurement) see operating instructions
    Response time sensor t90approx. 20 sec
    Min. conductivity

    With 20 mg/l range: 5 µS/cm

    With 200 mg/l range: 200 µS/cm

    Up to 1,000 mg/l: 500 µS/cm

    Up to 2,000 mg/l: 1 mS/cm

    Max. pressure2.0 bar
    Intake flow30…60 l/h
    Supply voltage16...24 V DC (3-wire system)
    Output signal4…20 mA not temperature-compensated, uncalibrated, not electrically isolated
    SelectivityHydrogen peroxide selective towards free chlorine
    InstallationBypass: open outlet or return of the sample water into the process line
    In-line probe fittingDGM, DLG
    Measuring and control equipmentDAC
    Typical applicationsTreatment of clear and chemically uncontaminated waters, control with necessary short response times
    Resistance toSalts, acids, alkalis, surfactants, dirt films
    Measuring principle, technologyamperometric, 2 pulsing electrodes, diaphragm-covered
    Order no.
    PEROX sensor PEROX-H2.10 P792976
    PEROX transducer V1 for D1Ca1034100
    PEROX transducer V2 for DACa and DACb1047979

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    Overview

    Reliable online measurement of hydrogen peroxide – with DULCOTEST® sensors.

    With our DULCOTEST® hydrogen peroxide Due to its complete biodegradability, hydrogen peroxide is a disinfectant and oxidising agent ... more in the glossary sensors PEROX and PER 1, you have the choice of two types of sensor for applications with different requirements.

    Sensor PER1-mA is resistant to contaminated water. A compact sensor with integrated transducer and temperature correction, it has a measuring range Defined measurable range within which the errors in a measured variable remain within defined limits. more in the glossary of up to 100,000 mg/l.

    The PEROX type sensor has no cross sensitivity to chlorine and with its rapid response time and separate temperature measurement can be used to control fast processes in clear waters, even with the intermittent absence of hydrogen peroxide Due to its complete biodegradability, hydrogen peroxide is a disinfectant and oxidising agent ... more in the glossary.

    Your benefits

    • Precise, real-time amperometric measurement for efficient process control (short response time)
    • Amperometric measuring means no clouding or discolouration
    • Stable zero point means no drift
    • Integrated temperature compensation eliminates faults caused by influence of temperature
    • Diaphragm-covered electrodes for reduced dependence on flow and cross sensitivities
    • Short run in period for quick commissioning

    Application

    Technical Data

    Downloads

    Contact us

    Ralf Kiermaier

    Vice President Sales and Marketing, ProMinent GmbH

    »Please send us your request! We will contact you shortly.«

    +49 6221 842 0  Send request   

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