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DULCOTEST® Sensors for Hydrogen Peroxide

Graduated measuring ranges 0.2 – 2,000 mg/l, special measuring ranges up to 100,000 mg/l

Hydrogen peroxide measurement with DULCOTEST® sensors: efficient and reliable determination of 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.

You have the choice of three types of sensor for applications with different requirements with our DULCOTEST® sensors for hydrogen peroxide Due to its complete biodegradability, hydrogen peroxide is a disinfectant and oxidising agent ... more in the glossary (H2O2): PER1, PEROX H2.10 P and PEROX H 3E.

The PER1-mA sensor is resistant to contaminated water and can be used in water with a temperature of up to 50 °C. It is a compact sensor with a built-in transducer and temperature correction, and 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 H2.10 P sensor type displays no cross-sensitivity to chlorine and, with its fast response time and separate temperature measurement, can be used to control fast processes in clear water, even with the temporary absence of hydrogen peroxide Due to its complete biodegradability, hydrogen peroxide is a disinfectant and oxidising agent ... more in the glossary.

The PEROX H 3E sensor with a built-in transducer and 3-electrode system shares the benefits of the PEROX H2.10 P sensor and can also be used for reliable measurement above 0.2 ppm H2O2 and also in moderately contaminated water.

Your benefits

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

Field of application

  • Exhaust air scrubbers
  • Cooling circuits:
  • Groundwater remediation
  • Potable water oxidation
  • Process water disinfection
  • Waste water treatment (advanced oxidation)
  • Waste water monitoring e.g. in the semiconductor industry
  • Chemical bleaches, e.g. paper, textiles
  • Dechlorination, e.g. in chemical processes
  • Landfill seepage water
  • Biotechnology, greenhouses, pharmaceuticals
  • Swimming pool water (active oxygen method)

    Technical Details

    • pH-range of 1-11 (variable), suitable for use at a constant pH value of up to pH 12 (types PER 1, PEROX H2.10 P)
    • PER1 and PEROX H-3E sensor types can also be used with contaminated process media
    • Maximum operating temperature of up to 50 °C (type PER 1)

    Overview of sensors for hydrogen peroxide

    FeaturesType
    PER 1-mA

    PEROX H2.10 P

    PEROX H3 E
    Resistance to chemicals and films (dirt, limescale, surfactants)yes, exceptions: H2S, sulfideslimited, but resistant to H2SImproved compared to PEROX H2.10 P
    Max. temperature
    of shaft/diaphragm material
    up to 50 °C
    PVC-C/ silicone
    up to 40 °C
    stainless steel/PVDF
    up to 45 °C
    PVC-U/PET
    Transducerintegrated in the shaftmust be attached to the sensorintegrated in the shaft
    Temperature correctionintegrated in the shaft
    simple to use
    separate Pt 100
    rapid temperature correction
    separate Pt 100
    rapid temperature correction
    Measuring rangeStandard type: 2,000 ppm
    Special types: up to 10 %
    Switch on transducer
    20, 200, 2,000 ppm
    Various sensors
    10, 50, 200, 500 ppm
    Response time as t908 min.< 45 s< 45 s
    Long-term operation without H2O2not possiblepossiblepossible
    Cross-sensitivity
    Free chlorine and peracetic acid
    yes< 5 %< 5 %
    Interference by sulfitesno< 30 %< 30 %

    Hydrogen peroxide sensor PER 1-mA

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

    Your benefits

    • Measured variable hydrogen peroxide, with measuring ranges from 20 ppm to 100,000 ppm (10%) available
    • Diaphragm-covered sensor minimises faults caused by changing flow or substances in the water
    • Resistance to films of dirt thanks to use of a pore-free diaphragm
    • Can be used in wide pH range of 1...11
    • Operating temperature up to 50 °C

    Measured variable

    Hydrogen peroxide

    Calibration

    Photometric with manual DT3B photometer

    pH-range

    1.0…11.0

    Temperature

    0…50 °C

    Admissible temperature fluctuation

    < 0.3 °K/min

    Response time sensor t90

    approx. 480 sec

    Max. pressure

    1.0 bar

    Flow

    DGMa, DLG III: 30...80 l/h
    BAMa: 5...60 l/h (depending on design)

    Supply voltage

    16...24 V DC (2-wire)

    Output signal

    4...20 mA temperature-compensated, uncalibrated, not electrically isolated

    Selectivity

    Hydrogen peroxide selective towards sulphite

    Cross sensitivity

    Ozone, chlorine dioxide, peracetic acid, chlorine, bromine

    Process integration

    Bypass: open outlet or return of the sample water into the process line

    Sensor fitting

    BAMa, DGMa, DLG III

    Controllers

    D1C

    Typical applications

    Cooling and waste water treatment, plant irrigation water, bleaching processes, H2O2 product qualification, water with higher H2O2 concentrations of up to 100,000 ppm.

    Resistance to

    Salts, acids, alkalis, surfactants, dirt films, not against hydrogen sulphide (H2S)

    Measuring principle, technology

    Amperometric, 2 electrodes, diaphragm-covered

    Measuring range

    Order no.

    PER 1-mA-2000 ppm

    20.0…2,000.0 mg/l

    1022510

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

    Hydrogen peroxide sensor PEROX H2.10 P-mA

    Sensor for measuring hydrogen peroxide without cross-sensitivity to chlorine. It can also be used for fast control processes even with the temporary absence of hydrogen peroxide in clear water in a wide pH range of 2.5...10.

    Your benefits

    • Measured variable hydrogen peroxide without cross-sensitivity to chlorine
    • Diaphragm-covered sensor minimises faults caused by changing flow
    • Fast processes can be controlled through the sensor’s rapid response time in conjunction with fast external temperature measurement for temperature correction
    • Can be used in wide pH range of 2.5...10
    • Reliable measurement even after periods of absence of hydrogen peroxide thanks to pulsed, self-regenerating measuring electrode

    Measured variable

    Hydrogen peroxide

    Calibration

    Photometric with manual DT3B photometer

    Measuring range

    1...20, 10...200, 100...2000 mg/l, switchable

    pH-range

    2.5…10.0

    Temperature

    0…40 °C

    Admissible temperature fluctuation

    < 1 °K/min (with external T measurement)

    Response time sensor t90

    approx. 20 sec

    Min. conductivity

    For measuring range 20 mg/l: 5 µS/cm
    For measuring range 200 mg/l: 200 µS/cm
    Up to 1,000 mg/l: 500 µS/cm
    Up to 2,000 mg/l: 1 mS/cm

    Max. pressure

    2.0 bar

    Flow

    DGMa, DLG III: 30...60 l/h
    BAMa: 5...100 l/h (depending on design)

    Supply voltage

    16...24 V DC (three-wire system)

    Output signal

    4...20 mA not temperature-compensated, uncalibrated, not electrically isolated

    Selectivity

    Hydrogen peroxide selective towards free chlorine

    Process integration

    Bypass: open outlet or return of the sample water into the process line

    Sensor fitting

    BAMa, DGMa, DLG III

    Controllers

    DAC, D1C (without temperature correction)

    Typical applications

    Exhaust air scrubbers, treatment of clear and chemically uncontaminated water, controls with the necessary very short response times

    Resistance to

    Salts, acids, lyes, surfactants.

    Measuring principle, technology

    amperometric, 2 pulsing electrodes, diaphragm-covered

    Order no.

    H2O2 sensor PEROX-H2.10 P

    792976

    PEROX transducer V1 for D1Ca

    1034100

    PEROX Transducer V2

    1047979

    Hydrogen peroxide sensor PEROX H 3E-mA

    Sensor for the measurement of hydrogen peroxide without cross-sensitivity to free chlorine peracetic acid. Suitable for use with fast control processes also in moderately contaminated water and for reliably measuring from 0.5 ppm H2O2

    Your benefits

    • Measured variable hydrogen peroxide without cross-sensitivity to free chlorine and peracetic acid
    • Sensitive measuring range from 0.5 mg/l
    • Fast processes can be controlled through the sensor’s rapid response time in conjunction with fast external temperature measurement for temperature correction
    • Reliable measurement even after periods of absence of hydrogen peroxide thanks to pulsed, self-regenerating measuring electrode
    • Low measuring range provided by a system containing 3 electrodes
    • Diaphragm-covered sensor minimises faults caused by changing flow
    • An integrated transmitter and the signal cable’s plug-in connector make for an easy installation

    Measured variable

    Hydrogen peroxide

    Calibration

    Photometric with manual DT3B photometer

    pH-range

    2.5…8.0

    Temperature

    0…45 °C

    Admissible temperature fluctuation

    < 1 °K/min (with external T measurement)

    Response time sensor t90

    < 45 s

    Electrolytic conductivity

    0.05...50 mS/cm

    Flow

    DGMa, DLG III: 30...60 l/h
    BAMa: 5...100 l/h (depending on design)

    Supply voltage

    16…24 (two-wire technology) V DC

    Output signal

    4...20 mA not temperature-compensated, uncalibrated, not electrically isolated

    Electrical Connection

    via a 4-pin plug on the sensor via an open-ended signal cable on the unit

    Selectivity

    Hydrogen peroxide selective to free chlorine, peracetic acid, sulphite

    Process integration

    Bypass: open outlet or return of the sample water into the process line

    Sensor fitting

    BAMa, DGMa, DLG III

    Controllers

    DAC, D1Cb (without temperature correction)

    Typical applications

    Swimming pool, plant irrigation water, chlorine elimination. Can also be used for moderately contaminated water, controls with the necessary short response times and low H2O2 concentrations

    Resistance to

    Salts, acids, alkalis, surfactants, dirt films

    Measuring principle, technology

    amperometric, 3 pulsing electrodes, diaphragm-covered

    Measuring range

    Order no.

    PEROX H-3E-10ppm

    0.20…10.0 mg/l

    1058563

    PEROX H-3E-50ppm

    1.0…50.0 mg/l

    1105779

    PEROX H-3E-200ppm

    5.0…200 mg/l

    1105778

    PEROX H-3E-500ppm

    10…500 mg/l

    1117570

    Downloads for DULCOTEST® Sensors for Hydrogen Peroxide

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    Overview

    Reliable online measurement of hydrogen peroxide with DULCOTEST® sensors.

    You have the choice of three types of sensor for applications with different requirements with our DULCOTEST® sensors for hydrogen peroxide Due to its complete biodegradability, hydrogen peroxide is a disinfectant and oxidising agent ... more in the glossary (H2O2): PER1, PEROX H2.10 P and PEROX H 3E.

    The PER1-mA sensor is resistant to contaminated water and can be used in water with a temperature of up to 50 °C. It is a compact sensor with a built-in transducer and temperature correction, and 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 H2.10 P sensor type displays no cross-sensitivity to chlorine and, with its fast response time and separate temperature measurement, can be used to control fast processes in clear water, even with the temporary absence of hydrogen peroxide Due to its complete biodegradability, hydrogen peroxide is a disinfectant and oxidising agent ... more in the glossary.

    The PEROX H 3E sensor with a built-in transducer and 3-electrode system shares the benefits of the PEROX H2.10 P sensor and can also be used for reliable measurement above 0.2 ppm H2O2 and also in moderately contaminated water.

    Your benefits

    • Precise, real-time amperometric measurement for efficient process control (short response time)
    • Amperometric measuring eliminates interference caused by turbidity or colouration
    • Stable zero point means no drift
    • Temperature compensation eliminates interference caused by the 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

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