Electrodes and sensors

You can rely on JUMO when it comes to electrodes and sensors for electrochemical measurands. Electrodes for measuring conductivity, redox potential, and pH value as well as a wide range of sensors for ammonia, bromine, chlorine, chlorine dioxide, ozone, peracetic acid, and hydrogen peroxide offer solutions for a variety of applications. Optical sensors are also available for dissolved oxygen and turbidity.

  • Product selection guide

Electrodes & Sensors

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JUMO tecLine HD - pH combination electrodes

JUMO tecLine HD

pH combination electrodes Basic type: 201021
The product acquires the pH value of water and aqueous-based media. It has robust industrial electrodes for the most demanding applications with increased dirt and poison load as well as oil-containing media.
  • Measuring range: pH 0 to 14
  • Temperature: 0 to 135 °C
  • Process pressures up to 13 bar
JUMO CTI-500 - Inductive conductivity transmitter with switching contacts

JUMO CTI-500

Inductive conductivity transmitter with switching contacts Basic type: 202755
The device is used for measuring and controlling the conductivity or the concentration of liquid media. The integrated temperature measurement enables precise and quick compensation. Additional functions allow the combined toggling of measuring range and temperature coefficient.
  • For inductive conductivity sensors
  • Separate or compact design type
  • With salt dilution control
JUMO tecLine HD - Redox combination electrodes

JUMO tecLine HD

Redox combination electrodes Basic type: 201026
The electrode acquires the redox potential of water and aqueous-based media. A robust industrial electrode for the most demanding applications with increased dirt and poison load as well as oil-containing media.
  • Measuring range: ± 1500 mV
  • Temperature: 0 to 135 °C
  • Process pressure up to 13 bar
JUMO BlackLine CR-GT/-EC/-GS - Conductive two-electrode conductivity sensor

JUMO BlackLine CR-GT/-EC/-GS

Conductive two-electrode conductivity sensor Basic type: 202922
The product is available in versions GT, EC, and GS. A special graphite is used in the GT version for water treatment. The main features of the stainless steel EC version are its very compact design type and the integrated Pt100 as a standard feature.
  • Measuring range: 0.05 µS/cm to 100 mS/cm
  • Process pressure up to 6 bar
  • Cell constant: K = 0.01; 0.1 or 1.0
JUMO tecLine Cl2 - Sensor for free chlorine

JUMO tecLine Cl2

Sensor for free chlorine Basic type: 202630
These membrane-covered amperometric sensors are used to measure the concentration of free chlorine (e.g. in drinking water, swimming pool water, industrial water, process water, and cooling water). The sensors can be connected directly to a suitable indicating and control device.
  • Measuring range: 0.05 to 200 mg/l
  • Response time t90: approx. 30 s
  • Analog and digital outputs
JUMO digiLine O-DO S10 - Digital optical sensor for dissolved oxygen in aqueous solutions

JUMO digiLine O-DO S10

Digital optical sensor for dissolved oxygen in aqueous solutions Basic type: 202614
The sensor's latest optical technology enables precise measurement with long-term stability in fish breeding, sewage treatment plants, as well as other water and wastewater technology applications. The integrated analog and digital interface allows easy connection to field devices and process control systems.
  • Measuring range: 0 to 20 mg/l
  • PVC version
  • Analog and digital interface
JUMO ecoLine NTU - Optical sensor for turbidity measurements

JUMO ecoLine NTU

Optical sensor for turbidity measurements Basic type: 202670
This optical sensor measures the turbidity level in aqueous solutions. The wide measuring range enables its deployment in many applications. The measured value is automatically transferred via a digital interface to the connected JUMO AQUIS 500 RS indicating device with integrated controller.
  • Measuring range: 0 to 4000 NTU
  • 90° scattered-light principle
  • Temperature: 0 to 50 °C
JUMO digiLine Ci HT10 - Head transmitter with inductive conductivity sensor

JUMO digiLine Ci HT10

Head transmitter with inductive conductivity sensor Basic type: 202761
JUMO digiLine Ci now enables inductive conductivity sensors to be connected to the intelligent, bus-compatible JUMO digiLine system. System integration can now also take place via an IO-Link interface. The sensor is firmly connected to the head transmitter.
  • Compact design type with inductive sensor
  • Measuring range: 50 µS/cm to 2000 mS/cm
  • JUMO digiLine or IO-Link interface
JUMO tecLine HY - Redox combination electrodes

JUMO tecLine HY

Redox combination electrodes Basic type: 201027
The electrode acquires the redox potential of water and aqueous-based media. This robust electrode is suitable for demanding and hygienic applications in the process industry. JUMO tecLine HY redox electrodes have a high-quality zirconium dioxide diaphragm.
  • Measuring range: ± 1500 mV
  • Temperature: 0 to 135 °C
  • Process pressure up to 6 bar
JUMO tecLine HY - pH combination electrodes for hygienic applications

JUMO tecLine HY

pH combination electrodes for hygienic applications Basic type: 201022
The product acquires the pH value of water and aqueous-based media. It consists of high-quality materials for the most demanding applications and is equipped with a zirconium dioxide ceramic diaphragm with optimized properties with regard to KCl throughput and protection of the internal electrolyte.
  • Measuring range: pH 0 to 14
  • Temperature: 0 to 135 °C
  • Process pressures up to 6 bar
JUMO tecLine CR - Conductive two-electrode conductivity sensor

JUMO tecLine CR

Conductive two-electrode conductivity sensor Basic type: 202924
These sensors are used in conjunction with conductivity transmitters to define the electrolytic conductivity in liquids. The materials in the sensors are physiologically harmless and meet FDA requirements.
  • Measuring range: 0.05 µS/cm to 1 mS/cm
  • Process pressure up to 16 bar
  • Cell constant K = 0.01 or 0.1
JUMO tecLine CR-GT - Conductive two-electrode conductivity sensor

JUMO tecLine CR-GT

Conductive two-electrode conductivity sensor Basic type: 202925
These sensors are used in conjunction with conductivity transmitters to define the electrolytic conductivity in liquids. They are especially suitable for media separation, drinking water preparation, and for inspecting as well treating wastewater and service water.
  • Measuring range: 10 µS/cm to 15 mS/cm
  • Process pressure up to 16 bar
  • Cell constant K = 1.0
JUMO CTI-750 - Inductive conductivity transmitter with switching contacts

JUMO CTI-750

Inductive conductivity transmitter with switching contacts Basic type: 202756
The device is used for measuring and controlling the conductivity or the concentration of liquid media. The integrated temperature measurement enables precise and quick temperature compensation. Additional functions allow for optimum use in CIP processes.
  • For inductive conductivity sensors
  • Separate or compact design type
  • For CIP cleaning
JUMO ecoLine/JUMO BlackLine pH - pH combination electrode with glass or plastic shaft

JUMO ecoLine/JUMO BlackLine pH

pH combination electrode with glass or plastic shaft Basic type: 201005
The electrode acquires the pH value of water and aqueous-based media. It is used, among other places, in swimming pools, aquaristics for monitoring and treating drinking water, and in greenhouse technology.
  • Measuring range: pH 0 to 12
  • Temperature: 0 to 60 °C
  • Insertion length: 120 mm
JUMO digiLine O-DO H10/H20 - Digital optical sensors for dissolved oxygen in hygienic applications

JUMO digiLine O-DO H10/H20

Digital optical sensors for dissolved oxygen in hygienic applications Basic type: 202612
The high-quality sensors enable reliable measurement of all dissolved oxygen concentrations from the trace level to the saturation level. Both versions have been especially developed for hygienic as well as demanding applications and represent different measuring ranges. Common field devices and process control systems can be connected via an integrated analog and digital interface. The connection to the intelligent, bus-compatible JUMO digiLine system is made via Plug and Play.
  • Measurement of trace and saturation conc.
  • CIP/SIP capable, autoclavable
  • Analog and digital interface
Ammonia sensitive sensor - For monitoring leaks

Ammonia sensitive sensor

For monitoring leaks Basic type: 201040
The product measures ammonia (NH3) in aqueous solutions. It is mainly used in refrigeration plants to reliably detect possible leaks.
  • Measuring range: 0.01 to 9999 ppm
  • Temperature: -8 to +30 °C
  • Insertion length 120 mm
JUMO pH glass electrodes - To pH measurement

JUMO pH glass electrodes

To pH measurement Basic type: 201081
pH glass electrodes measure the pH value in connection with reference electrodes. Electrodes with special membrane glasses are available for measurement in different media.
  • Measuring range: pH 0 to 12
  • Temperature: 0 to 135 °C
  • Screw head Pg13.5
JUMO compensation thermometer - For temperature compensation during pH measurements

JUMO compensation thermometer

For temperature compensation during pH measurements Basic type: 201085
Compensation thermometers can be used to compensate for temperature-related measurement errors. They measure the temperature of the material to be measured and transmit the signal to the downstream transmitter. The measured value is then recalculated to the reference temperature of 25 °C.
  • Measurement range: 0 to 150 °C
  • Glass shaft (DIN 19263)
  • Screw head Pg13.5
JUMO tecLine Ci - Hygienic conductivity sensor

JUMO tecLine Ci

Hygienic conductivity sensor Basic type: 202941
The sensor acquires the electrolytic conductivity of a process liquid. The sensor uses the inductive measuring principle. An integrated temperature probe simultaneously acquires the process temperature. The overall construction of the sensor conforms to EHEDG standards.
  • Measuring range: 0 to 2000 mS/cm
  • Sensor material: PEEK
  • Medium temperature: -10 to +125 °C
JUMO ecoLine CR-PVC - Conductive two-electrode conductivity sensor

JUMO ecoLine CR-PVC

Conductive two-electrode conductivity sensor Basic type: 202923
Conductivity sensors of this type series are used, among other areas, in general water technology, cooling and air conditioning system technology, drinking water and swimming pool water sectors, and in industrial rinsing and process water circuits. The electrode material is stainless steel or special graphite.
  • Measuring range: 0.05 µS/cm to 15 mS/cm
  • Process pressure up to 6 bar
  • Cell constant: K = 0.1 or 1.0
JUMO tecLine CR-4P - Conductive four-electrode conductivity sensor

JUMO tecLine CR-4P

Conductive four-electrode conductivity sensor Basic type: 202930
These conductivity sensors are suitable for the measurement of electrolytic conductivity in aqueous solutions. In contrast to customary two-electrode sensors, they offer application-related advantages in the range between medium and high conductance.
  • Measuring range: 1 µS/cm to 600 mS/cm
  • Process pressure up to 16 bar
  • Cell constant K = 0.3 to 0.4
JUMO tecLine Ci-S - Conductivity sensor for process technology

JUMO tecLine Ci-S

Conductivity sensor for process technology Basic type: 202942
The sensor acquires the electrolytic conductivity of a process liquid. It uses the inductive measuring principle. An integrated temperature probe simultaneously acquires the process temperature. Different design types allow for a wide range of uses in various applications.
  • Measuring range: 0 to 2000 mS/cm
  • Sensor material: PVDF
  • Medium temperature: -10 to +125 °C
JUMO ecoLine Ci - Conductivity sensor for water technology

JUMO ecoLine Ci

Conductivity sensor for water technology Basic type: 202943
The sensor acquires the electrolytic conductivity of a process liquid. The inductive measurement method makes the sensor almost maintenance-free compared to the conductive 2-pole or 4-pole measurement method. Primarily for use in water technology systems
  • Measuring range: 0 to 2000 mS/cm
  • Sensor material: PP, EPDM
  • Medium temperature: -10 to +80 °C
JUMO tecLine TC - Sensor for total chlorine

JUMO tecLine TC

Sensor for total chlorine Basic type: 202631
This membrane-covered, amperometric sensor measures the total chlorine concentration in water and acquires "free chlorine" from inorganic chlorination products (chlorine gas, hypochlorite, etc.) and "combined chlorine" (e.g. chloramine). It can only be used in water of drinking or swimming pool water quality.
  • Measuring range: 0 to 20 mg/l
  • Response time: approx. 2 min
  • Analog and digital outputs
JUMO tecLine ClO2 and O3 - Sensor for chlorine dioxide and ozone

JUMO tecLine ClO2 and O3

Sensor for chlorine dioxide and ozone Basic type: 202634
These membrane-covered amperometric sensors measure the concentration of chlorine dioxide or ozone in aqueous solutions (e.g. drinking water, swimming pool water, service water, process water, and cooling water). The sensors can be connected directly to a suitable indicating or control device.
  • Measuring range: 0.05 to 20 mg/l
  • Response time: approx. 15 s
  • Analog and digital outputs
JUMO tecLine H2O2 and PAA - Sensor for hydrogen peroxide and peracetic acid

JUMO tecLine H2O2 and PAA

Sensor for hydrogen peroxide and peracetic acid Basic type: 202636
The membrane-covered, amperometric sensors measure the concentration of hydrogen peroxide or peracetic acid in aqueous solutions. Typical application areas include electroplating plants, dairies, swimming pools, and the chemicals industry.
  • Measuring range: 0.05 to 200 000 mg/l
  • Response time: 5 to 10 min
  • Analog and digital outputs
JUMO tecLine Br - Sensor for bromine

JUMO tecLine Br

Sensor for bromine Basic type: 202637
The membrane-covered, amperometric sensor works on the three-electrode principle; it is used for the online measurement of hypobromous acid (HOBr). The electronic components integrated in the sensors provide a temperature-compensated current signal (4 to 20 mA) or a Modbus RTU output signal.
  • Measuring range: 0.05 to 20 mg/l
  • Response time: approx. 2 min
  • Analog and digital outputs
JUMO tecLine CR S01 - Conductive two-electrode conductivity sensor

JUMO tecLine CR S01

Conductive two-electrode conductivity sensor Basic type: 202928
The compact design type of the conductive two-electrode conductivity sensor enables space-saving installation. Due to its wide measuring range and resistance to cold, heat, and pressure, it is ideally suited for many applications in water treatment and monitoring.
  • Measuring range: 0.1 to 5000 µS/cm
  • Process pressure up to 6 bar
  • Cell constant: K = 0.1 or 1.0
JUMO BlackLine CR 4P - Conductive 4 Electrode Conductivity Sensor

JUMO BlackLine CR 4P

Conductive 4 Electrode Conductivity Sensor Basic type: 202931
The conductivity sensor has 4 electrodes made of robust special graphite and is characterized by a wide measuring range. It is therefore predestined for determining the conductivity of high salt concentrations. This is why it can be used in salt and sea water applications, among others.
  • Measuring range: 1 µS/cm to 300 mS/cm
  • Process pressure up to 6 bar
  • Cell constant: K = 0.25
JUMO digiLine CR HT20 - Head transmitter with conductive two-electrode conductivity sensor type PVC

JUMO digiLine CR HT20

Head transmitter with conductive two-electrode conductivity sensor type PVC Basic type: 202764
JUMO digiLine CR now enables conductive conductivity sensors to be connected to the intelligent, bus-compatible JUMO digiLine system. System integration can now also take place via an IO-Link interface. The sensor is firmly connected to the head transmitter.
  • Compact design type with conductive sensor
  • Measuring range: 0.1 µS/cm to 15 mS/cm
  • JUMO digiLine or IO-Link interface
JUMO digiLine CR HT30 - Head transmitter with conductive two-electrode conductivity sensor type VA

JUMO digiLine CR HT30

Head transmitter with conductive two-electrode conductivity sensor type VA Basic type: 202765
JUMO digiLine CR now enables conductive conductivity sensors to be connected to the intelligent, bus-compatible JUMO digiLine system. System integration can now also take place via an IO-Link interface. The sensor is firmly connected to the head transmitter.
  • Compact design type with conductive sensor
  • Measuring range: 0.05 µS/cm to 1 mS/cm
  • JUMO digiLine or IO-Link interface
JUMO digiLine CR HT40 - Head transmitter with conductive two-electrode conductivity sensor type SL

JUMO digiLine CR HT40

Head transmitter with conductive two-electrode conductivity sensor type SL Basic type: 202766
JUMO digiLine CR now enables conductive conductivity sensors to be connected to the intelligent, bus-compatible JUMO digiLine system. System integration can now also take place via an IO-Link interface. The sensor is firmly connected to the head transmitter.
  • Compact design type with conductive sensor
  • Measuring range: 0.05 µS/cm to 1 mS/cm
  • JUMO digiLine or IO-Link interface
JUMO digiLine CR HT50 - Head transmitter with conductive two-electrode conductivity sensor type PK

JUMO digiLine CR HT50

Head transmitter with conductive two-electrode conductivity sensor type PK Basic type: 202767
JUMO digiLine CR now enables conductive conductivity sensors to be connected to the intelligent, bus-compatible JUMO digiLine system. System integration can now also take place via an IO-Link interface. The sensor is firmly connected to the head transmitter.
  • Compact design type with conductive sensor
  • Measuring range: 0.05 µS/cm to 1 mS/cm
  • JUMO digiLine or IO-Link interface
JUMO digiLine CR HT60 - Head transmitter with conductive two-electrode conductivity sensor type GT

JUMO digiLine CR HT60

Head transmitter with conductive two-electrode conductivity sensor type GT Basic type: 202768
JUMO digiLine CR now enables conductive conductivity sensors to be connected to the intelligent, bus-compatible JUMO digiLine system. System integration can now also take place via an IO-Link interface. The sensor is firmly connected to the head transmitter.
  • Compact design type with conductive sensor
  • Measuring range: 10 µS/cm to 15 mS/cm
  • JUMO digiLine or IO-Link interface
JUMO digiLine CR HT70 - Head transmitter with conductive four-electrode conductivity sensor type 4P

JUMO digiLine CR HT70

Head transmitter with conductive four-electrode conductivity sensor type 4P Basic type: 202769
JUMO digiLine CR now enables conductive conductivity sensors to be connected to the intelligent, bus-compatible JUMO digiLine system. System integration can now also take place via an IO-Link interface. The sensor is firmly connected to the head transmitter.
  • Compact design type with conductive sensor
  • Measuring range: 1 µS/cm to 600 mS/cm
  • JUMO digiLine or IO-Link interface
JUMO digiLine CR ST10 - Transmitter for separate conductive conductivity sensor

JUMO digiLine CR ST10

Transmitter for separate conductive conductivity sensor Basic type: 202762
JUMO digiLine CR now enables conductive conductivity sensors to be connected to the intelligent, bus-compatible JUMO digiLine system. In addition to the JUMO digiLine interface, system integration can now also take place via an IO-Link interface.
  • Separate design type for conductive sensors
  • Measuring range: 0.05 µS/cm to 600 mS/cm
  • JUMO digiLine or IO-Link interface
JUMO digiLine CR HT10 - Head transmitter with conductive two-electrode conductivity sensor type EC

JUMO digiLine CR HT10

Head transmitter with conductive two-electrode conductivity sensor type EC Basic type: 202763
JUMO digiLine CR now enables conductive conductivity sensors to be connected to the intelligent, bus-compatible JUMO digiLine system. System integration can now also take place via an IO-Link interface. The sensor is firmly connected to the head transmitter.
  • Compact design type with conductive sensor
  • Measuring range: 0.1 µS/cm to 100 mS/cm
  • JUMO digiLine or IO-Link interface
JUMO ecoLine/JUMO BlackLine Redox - Redox combination electrode with glass or plastic shaft

JUMO ecoLine/JUMO BlackLine Redox

Redox combination electrode with glass or plastic shaft Basic type: 201010
The electrode acquires the redox potential of water and aqueous-based media. It is used, among other places, in swimming pools, aquaristics for monitoring and treating drinking water, and in greenhouse technology.
  • Measuring range: ± 2000 mV
  • Temperature: 0 to 60 °C
  • Process pressure up to 6 bar
Redox single or double electrodes - With glass or plastic shaft

Redox single or double electrodes

With glass or plastic shaft Basic type: 201082
In connection with a reference electrode the product detects the redox potential of aqueous media. Metal double electrodes are used to measure the end point in amperometric titration.
  • Measuring range: ± 2000 mV
  • Temperature: 0 to 135 °C
  • Process connection: Pg 13.5
JUMO reference electrodes/diaphragm tube - For acquiring pH and redox values

JUMO reference electrodes/diaphragm tube

For acquiring pH and redox values Basic type: 201083
Reference electrodes provide a constant potential for potentiometric measurements. They are used to record pH or redox values.
  • With plug head or screw head
  • Temperature 0 to 80 °C or 0 to 135 °C
  • Pressure range up to 10 bar
Laboratory redox combination electrodes - In glass or plastic shaft version

Laboratory redox combination electrodes

In glass or plastic shaft version Basic type: 201035
The electrode acquires the redox potential of water and aqueous-based media. It is mainly used in general laboratory applications.
  • Measuring range: ± 2000 mV
  • Temperature: -10 to +135 °C
  • Insertion length 120 mm
JUMO tecLine - Redox combination electrodes

JUMO tecLine

Redox combination electrodes Basic type: 201025
The product acquires the redox value of water and aqueous-based media. This high-quality industrial electrode is mainly used in swimming pools and for drinking water disinfection.
  • Measuring range: ± 2000 mV
  • Temperature: -10 to +135 °C
  • Process pressure up to 10 bar
Laboratory pH combination electrodes - In glass or plastic shaft version

Laboratory pH combination electrodes

In glass or plastic shaft version Basic type: 201030
The electrode acquires the pH value of water and aqueous-based media. It is used in general laboratory applications.
  • Measuring range: pH 0 to 12
  • Temperature: -5 to +80 °C
  • Insertion length: 120 mm
JUMO tecLine pH - ph combination electrodes with ceramic or glass fiber diaphragm

JUMO tecLine pH

ph combination electrodes with ceramic or glass fiber diaphragm Basic type: 201020
The product acquires the pH value of water and aqueous-based media. It is applied in various applications in water and process measurement technology.
  • Measuring range: pH 0 to 14
  • Temperature: -5 to +135 °C
  • Insertion length: 120 or 225 mm
JUMO digiLine Ci ST10 - Transmitter for separate inductive conductivity sensor

JUMO digiLine Ci ST10

Transmitter for separate inductive conductivity sensor Basic type: 202760
JUMO digiLine Ci now enables inductive conductivity sensors to be connected to the intelligent, bus-compatible JUMO digiLine system. In addition to the JUMO digiLine interface, system integration can now also take place via an IO-Link interface.
  • Separate design type for inductive sensors
  • Measuring range: 50 µS/cm to 2000 mS/cm
  • JUMO digiLine or IO-Link interface

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