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Sensors

Reliable sensors

Monitoring a limit value or building a closed control circuit is easy with our sensors – in an enormous range of measuring applications. The product family DULCOTEST is application-based and ensures precise measuring of a wide range of values. These measured values are delivered in real-time and can be flexibly connected to the various process interfaces via bypass, immersion or in-built fittings.

Products

DULCOTEST sensors for free chlorine

Graduated measuring ranges 0.01 – 200 mg/l, special measuring range up to 1,000 mg/l

The application-based DULCOTEST sensors for free chlorine deliver precise measured values and a high degree of monitoring and process reliability in any disinfection application. more

Your benefits

  • Five different sensor ranges and numerous different versions deliver the following benefits: use with a wide range of water qualities (pH, salinity, temperature, chemical and contamination load), use in combination with many disinfection processes: chlorine gas, sodium hypochlorite, calcium hypochlorite, electrolysis, use in a wide measuring range of 0.01 to 1,000 mg/l.
  • Precise, real-time amperometric measurement for efficient process control (short response time)
  • Amperometric measuring eliminates interference caused by turbidity or colouration
  • Stable zero point
  • Integrated temperature compensation eliminates interference caused by influence of temperature
  • For sensors with diaphragm-covered measuring electrodes: reduced dependence on flow, substances in water and film-forming media. Diaphragm-covered measuring electrodes embedded in an electrolyte ensure long service life. This maintains optimum measuring conditions regardless of process conditions. Low-cost maintenance thanks to easy diaphragm cap changes.

DULCOTEST sensors for total available chlorine

Graduated measuring ranges 0.01 – 10 mg/l

Disinfection of swimming pool water with the application-optimised DULCOTEST sensors for total available chlorine - exact measured values and high process reliability guaranteed. more

Your benefits

  • Sensor for total available chlorine, also suitable for the combination of in-line electrolysis with derivatives of chloro(iso)cyanuric acid
  • Can also be used as a sensor for free chlorine without interference caused by the presence of cyanuric acid
  • Precise, real-time amperometric measurement for efficient process control (short response time)
  • Amperometric measuring eliminates interference caused by turbidity or colouration
  • Stable zero point
  • Integrated temperature compensation eliminates interference caused by influence of temperature

DULCOTEST sensors for total chlorine

Graduated measuring ranges 0.01 – 10 mg/l

Reliably measure total chlorine with the versatile DULCOTEST sensors for total chlorine. Accurate measured values and a high degree of monitoring and process reliability are guaranteed. more

Your benefits

  • More accurate and long-term stable total chlorine measurement and determination of combined chlorine thanks to the innovative design of the sensor membrane
  • Cost savings due to longer maintenance intervals when changing the membrane cap
  • Versatile use in a wide range of water qualities and in combination with many disinfection processes; CTE3 also works trouble-free together with inline electrolysis (tubular cell electrolysis); can also be used at high pH values of up to 9.5
  • Versatile use with a wide range of water qualities (pH, salinity, temperature, chemical and contamination load); in combination with many disinfection processes (chlorine gas, sodium hypochlorite, calcium hypochlorite, chloramines); can also be used at high pH values up to 9.5
  • Precise, real-time amperometric measurement for efficient process control (short response time)
  • Amperometric measuring eliminates interference caused by turbidity or colouration

DULCOTEST pH sensors

Graduated pH measuring ranges 0 – 14

pH measurements with DULCOTEST sensors: Precise, reliable and application-adapted measured values in real-time. Control, regulate and monitor chemical processes with the aid of precise measured values. more

Your benefits

  • Precise and reliable pH measurement enables efficient processes and excellent process reliability
  • The wide choice of sensor types with different constructions makes them reliable components in many applications
  • A long service life is achieved through the use of the best quality materials for the glass and diaphragms, a stable reference system and optimised production. This minimises both downtime and maintenance
  • With short storage times and fast delivery, your pH sensors can be up and running very quickly and you can make maximum use of their service life (all glass sensors start to age as soon as they leave production)
  • Wide range of special versions for fitting length, cable length and plugs for made-to-measure connection to your process
  • Unique label for OEM partners

DULCOTEST ORP sensors

Typical measuring range -1,500...+1,500 mV; wider ranges are possible depending on the measuring device.

ORP measurements with DULCOTEST sensors: Precise, reliable and application-adapted measured values in real-time. Can be used in water treatment or industrial process waters with strict requirements. more

Your benefits

  • Precise and reliable measurement enables efficient processes and excellent process reliability
  • The wide choice of sensor types with different constructions makes them reliable components in many applications
  • A long service life is achieved through the use of select quality materials for the measuring electrodes and diaphragms and a stable reference system. This minimises both downtime and maintenance
  • With short storage times and fast delivery, your sensors can be up and running very quickly and you can make maximum use of their service life (all glass sensors start to age as soon as they leave production)
  • Wide range of special versions for fitting length, cable length and plugs for made-to-measure connection to your process
  • Unique label for OEM partners

DULCOTEST sensors for chlorine dioxide

Graduated measuring ranges 0.01 – 10 mg/l

Chlorine dioxide measurement with DULCOTEST sensors offers precise, reliable, application-specific measured values in real-time for all oxidation and disinfection tasks. more

Your benefits

  • Three application-optimised sensor ranges available
  • Precise, real-time amperometric measurement for efficient process control (short response time)
  • Amperometric measuring eliminates interference caused by turbidity or colouration
  • Integrated or rapid external temperature compensation eliminates interference caused by influence of temperature
  • Diaphragm-covered sensors for reduced dependence on flow, cross-sensitivities, substances in water and film-forming media
  • Diaphragm-covered measuring electrodes embedded in an electrolyte ensure long service life. This maintains optimum measuring conditions regardless of process conditions

DULCOTEST sensors for ozone

Measuring range 0.02 – 2 mg/l

Measuring ozone in oxidation and disinfection applications: DULCOTEST sensors offer precise, reliable, application-specific measured values in real-time. more

Your benefits

  • Two application-optimised sensor types available
  • Precise, real-time amperometric measurement for efficient process control (short response time)
  • Amperometric measuring eliminates interference caused by turbidity or colouration
  • Integrated temperature compensation eliminates interference caused by influence of temperature
  • Diaphragm-covered electrodes for reduced dependence on flow, cross-sensitivities, substances in water and film-forming media
  • Diaphragm-covered measuring electrodes embedded in an electrolyte ensure long service life. This maintains optimum measuring conditions regardless of process conditions

DULCOTEST sensors for conductivity

Graduated measuring ranges 0.01 µS/cm – 2,000 mS/cm

Conductivity sensors for optimum process integration: DULCOTEST sensors meet a wide range of measuring requirements and allow the best solution to any given measuring task to be achieved. more

Your benefits

  • 27 different sensor types tailored to different requirements and offering optimum performance for money: measuring range, temperature, chemical resistance, contamination tolerance and process integration
  • From simple conductometric sensors to high-end sensors based on the inductive measurement principle
  • Precise and reliable measurement enables efficient processes and maximum process reliability
  • Long service lives and short maintenance intervals reduce downtime and increase the availability of the measured values
  • Complete pre-assembled kits containing fitting and sensor for easy, fast and error-free installation
  • Prompt delivery for quick replacement

DULCOTEST sensors for peracetic acid

Graduated measuring ranges 0.02 – 2,000 mg/l

Measurement of peracetic acid concentration with DULCOTEST sensors: Precise and reliable for disinfection in safety-sensitive applications in the food, pharmaceutical and medical industries. Can also be used in wastewater treatment. more

Your benefits

  • Precise amperometric measurement in real-time for efficient process control
  • Amperometric measuring eliminates interference caused by turbidity or discolouration
  • No cross-sensitivity towards hydrogen peroxide
  • Use of sensors if dissolved matter, surfactants and film-forming media are present without damage to diaphragm
  • Use of sensors under process conditions with CIP (cleaning in place) and rinsers (bottling)
  • Stable zero point means no drift

DULCOTEST sensors for bromine

Graduated measuring ranges 0.01 – 10 mg/l

Bromine measurement with DULCOTEST sensors: Safe metering in disinfection processes with bromine. The robustness of the sensors makes them suitable for a very wide range of water qualities. more

Your benefits

  • Precise, real-time amperometric measurement for efficient process control (short response time).
  • Suitable for a very wide range of water qualities (contamination, pH, salinity, temperature).
  • Amperometric measuring eliminates interference caused by turbidity or colouration.
  • Stable zero point means no drift.
  • Integrated temperature compensation eliminates interference caused by influence of temperature.
  • Diaphragm-covered electrodes for reduced dependence on flow, substances in water and film-forming media.

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. more

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

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. more

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

DULCOTEST sensors for dissolved oxygen

Measuring range: 0.1 – 20 mg/l

Widely used sensor for the measurement of oxygen dissolved in water above 0.1 ppm to oxygen saturation. For installation in standard immersion pipes or in the bypass line of the process flow. Use in aeration tanks of clarification plants, waterworks, in fish breeding or to monitor surface water. Minimal maintenance due to visual measuring principle. more

Your benefits

  • Measured variable: Dissolved oxygen, minimal maintenance in contaminated water due to visual measuring principle
  • Factory calibration stable for a long time. Calibration only needed following replacement of the visual sensor cap
  • Rod-shaped construction for simple installation into standard immersion pipes and ProMinent bypass fittings
  • No flow dependence and minimised faults due to ingredients in the water due to the visual measuring principle of quenching
  • Long lifetime of fluorescence dye and simple replacement by replacement of the sensor cap

DULCOTEST sensors for chlorite

Graduated measuring ranges 0.02 – 2 mg/l

Chlorite measurements with DULCOTEST sensors in disinfection processes involving chlorine dioxide – high process reliability guaranteed. more

Your benefits

  • Precise, real-time amperometric measurement for efficient process control
  • Amperometric measuring eliminates interference caused by turbidity or colouration
  • No cross-sensitivity in the presence of chlorine dioxide, chlorine or chlorate
  • High sensitivity for trace measurement in waterworks up to 0.5 ppm (type CLT 1-mA-0.5 ppm)
  • Greater measuring range dynamics of up to 2 ppm for other applications in combination with chlorine dioxide treatment and in particular for checking the quality of chlorine dioxide generators (type CLT 1-mA-2 ppm)
  • Stable zero point means no drift

DULCOTEST temperature sensors

Measuring ranges 0 – 100 °C

Temperature measurement with DULCOTEST sensors: Can be used for direct temperature measurement or temperature compensation during measurement of pH, fluoride, conductivity, chlorine dioxide or hydrogen peroxide. more

Your benefits

  • Select Pt 100 or Pt 1000, depending on measuring range and accuracy required.
  • Sturdy design with dimensions of a standard pH sensor; the sensor element is integrated in a chemically inert glass sleeve.
  • Easily installed in a similar way to standard pH sensors with a PG 13.5 thread in existing fittings.
  • Transmitter with display/operation and without display/operation for transmission/conversion of the primary signal into a 4-20 mA signal and for transmission to a central control unit (PLC).

Contact us

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