2-electrode principleproven versions for industrial use measuring ranges 0 ... 1 mS/cm (K = 0.1) or 0.01 ... 15 mS/cm (K = 1.0) temperature range up to 55 °C, maximum pressure up to 6 bar at 25 °C JUMO ecoLine CR-PVC conductive 2-electrode conductivity sensorBrief description: Conductivity sensors of the 202923 series are used, for example, in general water technology, cooling and air-conditioning systems, drinking and bathing water, or in industrial rinsing and process water circuits. The body material PVC limits the application to medium temperatures up to 55 °C. Two versions with cell constants K = 0.1 or 1.0 are available. Versions with the common thread sizes G 3/4" or G 1" or a plug-in version are available for installation. The plug-in version is used, for example, with the matching PVC tees in nominal sizes DN 25, 32 and 40 and allows the sensor to be quickly dismantled for cleaning or maintenance. The electrical connection is made either via a detachable device plug or via a fixed cable connection. The overall construction and the parts in contact with the medium are physiologically harmless. The electrode material is stainless steel (K = 0.1) or special graphite (K = 1.0). The optionally integrable temperature sensor allows simultaneous recording of the medium temperature for temperature compensation in downstream measuring amplifiers.Stainless steel variant K = 0.1 The sensor has 3 metallic pin electrodes. The two outer pins are electrically connected and form one pole of the 2-electrode conductivity sensor. The counter electrode is the middle stainless steel pin. This design achieves very high measurement precision with low stray fields. A temperature sensor can be integrated in the middle pin. Graphite variant K = 1.0 For physical reasons, special graphite is used as the electrode material for higher conductance values. The two graphite electrodes are completely integrated in the electrode shaft. The optional temperature sensor is located in a stainless steel sleeve that is immersed in the measured medium. Operating principleThe sensors of the 202923 series are 2-electrode conductivity sensors. An AC voltage is applied to them by the transmitter. The current flowing across the liquid and the electrodes is determined by the conductivity of the liquid

Our Neomeris conductivity cell with 12mm connection is used for the determination of the electrical conductivity in aqueous solutions.  Inside the T-piece is the two-electrode measuring cell without temperature compensation. The installation is easy and fast due to the John Guest connectors. We recommend the use of the product in the fields of distillate, condensate, ultrapure water as well as fully demineralized water. Technical data Material Housing: POM T-piece John Guest ½" Material electrodes: V4A 4571 Cell constant: C = 0.1 +-5% Max. operating pressure: 6 bar Max. operating temperature: 60°C Electrical connection: - brown electrode, outer sheath - white Electrode, inside - blue: shieldCable length: 2.5 meters

Capacity measurement ion exchanger cartridgeOur Neomeris N-FLASH10 conductivity meter in a T-piece with 3/8 inch connection is a conductivity measuring instrument that is used to monitor the electrical conductivity of water after flowing through the ion exchanger cartridge. The measuring instrument including the integrated measuring cell is battery operated and permanently installed in the T-piece. If the measured electrical conductivity is below the limit value of 10µS/cm, the green LED flashes; if it is above, the red LED flashes, indicating that a cartridge or resin change is required. Due to the T-piece used, the measuring device can also be integrated very easily and is optimally installed in the liquid flow for a stable measurement. Measuring principle: The measuring cell generates an electrical signal that is proportional to the conductivity of the liquid. This signal is processed in the device and the LED is controlled via the programming stored in the device. Application: Conductivity meters are often used in water treatment plants in the process industry.Technical data:Screw-in thread: 3/8"; others available upon requestMaterial housing: POM black Material lid: Plexiglas Material electrodes: V4A 4571 Material O-ring: EPDM Cell constant: C= 0.6 +/- 10% Max. Operating pressure: 6 bar Max. Operating temperature: 60°C Temperature sensor: without Display: LED green <10μS/cm LED red >10μS/cm

Technical data: Screw-in thread: 1/4"; 1/2"; 3/4"; others available upon requestMaterial housing: POM black Material lid: Plexiglas Material electrodes: V4A 4571 Material O-ring: EPDM Cell constant: C= 0.6 +/- 10% Max. Operating pressure: 6 bar Max. Operating temperature: 60°C Temperature sensor: without Display: LED green <10μS/cm LED red >10μS/cm

Technical data: Screw-in thread: 1/4"; 1/2"; 3/4"; others available upon requestMaterial housing: POM black Material lid: Plexiglas Material electrodes: V4A 4571 Material O-ring: EPDM Cell constant: C= 0.6 +/- 10% Max. Operating pressure: 6 bar Max. Operating temperature: 60°C Temperature sensor: without Display: LED green <20μS/cm LED yellow 20-50μS/cm LED red >50μS/cm

Technical data: Measuring range: 0 - 10 μS/cm (without temperature compensation) <0.1 <0.5 < 1.0 < 5.0 < 10 μS/cm LED display: 3x green; 1x yellow; 1x red Power supply: 100-240 VAC plug-in power supply unit Energy consumption: < 500 mWHousing material: POM black (polyoxymethylene) Viewing window material: PMMA (acrylic glass) Electrodes: Stainless steel 1.4571 Dimensions: Diameter 40 mm x 68 mm (Top) / 110 mm (Total) Gasket electrodes: EPDM Gasket housing: EPDM Application limits: Pressure max.: 6 bar; Temperature max.: 60 °C Protection class: IP 65* Display           Measuring range 3 LED green < 0.1 μS/cm 2 LED green < 0.5 μS/cm 1 LED green < 1.0 μS/cm 1 LED yellow < 5 μS/cm 1 LED red < 10 μS/cm 1 LED red flashing ≥ 10 μS/cm

Technical data:Measuring Range: 0 - 20 uS/cm (without temperature compensation)<1,0 <5,0 < 10,0 < 20,0 > 20,0 uS/cmLED-Display: 3x green; 1x yellow; 1x redVoltage Supply: 100-240 VAC with wall plug transformerPower Consumption: < 500 mWHousing: POM black (Polyoxymethylen)Vision Panel: PMMA (Acryl Glass)Electrodes: Stainless Steel 1.4571Dimension: Diameter 40 mm x 68 mm (Top) / 110 mm (Total)Seals Electrodes EPDMSeal Housing: EPDMOperation Limits: P max: 6 bar; T max: 65 °CProtection Class: IP 65*Display            Measuring value3 LED green <= 1,0 uS/cm2 LED green < 5,0 uS/cm1 LED green < 10,0 uS/cm1 LED yellow < 20,0 uS/cm1 LED red flashing >= 20,0 uS/cm

Device for measuring the electrical conductivity of aqueous solutions in conjunction with an integrated two-electrode screw-in measuring cell 3/4 inch without temperature compensation. The devices are selected according to the respective measuring range and are available as a variant with or without potential-free relay output.Application examplessoftener cartridgescomplete desalinationreverse osmosisAdded valueOperation at 9 V DC via supplied plug-in power supply1 potential-free relay with switchable mode of operation of relay controlLimit value display optically by means of LEDs   Technical dataMeasuring ranges: 0 - 10 / 100 / 1000 μS/cm, depending on instrument typeLimit value displays: Optical by means of LEDs, limit values adjustable between 0 and 100 % of the measuring range 1 potential-free relay contact, max. 2 A / 250 V AC, 60 W / 62.5 VA (if selected) Power supply: 9 V DC via plug-in power supply unit 100 - 240 V AC Power consumption: approx. 1 W Protection class: IP 65 Housing: polycarbonate housing, 82 x 60 x 57 mm Connections: side connection for plug-in power supply and one relay output (if selected) Measuring cell: ¾", PP, PN 6, Tmax. 60°C

Device for measuring the electrical conductivity of aqueous solutions in conjunction with an integrated two-electrode screw-in measuring cell 3/4 inch without temperature compensation. The devices are selected according to the respective measuring range and are available as a variant with or without potential-free relay output.Application examplessoftener cartridgescomplete desalinationreverse osmosisAdded valueOperation at 9 V DC via supplied plug-in power supply1 potential-free relay with switchable mode of operation of relay controlLimit value display optically by means of LEDs   Technical dataMeasuring ranges: 0 - 10 / 100 / 1000 μS/cm, depending on instrument typeLimit value displays: Optical by means of LEDs, limit values adjustable between 0 and 100 % of the measuring range 1 potential-free relay contact, max. 2 A / 250 V AC, 60 W / 62.5 VA (if selected) Power supply: 9 V DC via plug-in power supply unit 100 - 240 V AC Power consumption: approx. 1 W Protection class: IP 65 Housing: polycarbonate housing, 82 x 60 x 57 mm Connections: side connection for plug-in power supply and one relay output (if selected) Measuring cell: ¾", PP, PN 6, Tmax. 60°C

Device for measuring the electrical conductivity of aqueous solutions in conjunction with an integrated two-electrode screw-in measuring cell 3/4 inch without temperature compensation. The devices are selected according to the respective measuring range and are available as a variant with or without potential-free relay output.Application examplessoftener cartridgescomplete desalinationreverse osmosisAdded valueOperation at 9 V DC via supplied plug-in power supply1 potential-free relay with switchable mode of operation of relay controlLimit value display optically by means of LEDs   Technical dataMeasuring ranges: 0 - 10 / 100 / 1000 μS/cm, depending on instrument typeLimit value displays: Optical by means of LEDs, limit values adjustable between 0 and 100 % of the measuring range 1 potential-free relay contact, max. 2 A / 250 V AC, 60 W / 62.5 VA (if selected) Power supply: 9 V DC via plug-in power supply unit 100 - 240 V AC Power consumption: approx. 1 W Protection class: IP 65 Housing: polycarbonate housing, 82 x 60 x 57 mm Connections: side connection for plug-in power supply and one relay output (if selected) Measuring cell: ¾", PP, PN 6, Tmax. 60°C

Technical data: Screw-in thread: 1/2 "Material housing: POM black Material electrodes: V4A 4571 Material O-ring: EPDM Cell constant: C=0.1 +/- 10%. Max. Operating pressure: 6 bar Max. Operating temperature: 60°C Temperature sensor: PT100 Solenoid valve connector: ST2+SL electrodes Colour cable green/yellow St1+St2 PT 100 Colour cable brown/white

Technical data: Screw-in thread: 1/2 "Material housing: POM black Material electrodes: V4A 4571 Material O-ring: EPDM Cell constant: C=1.0 +/- 10%. Max. Operating pressure: 6 bar Max. Operating temperature: 60°C Temperature sensor: PT100 Solenoid valve connector: ST2+SL electrodes Colour cable green/yellow St1+St2 PT 100 Colour cable brown/white

Instrument for measuring the electrical conductivity of aqueous solutions in conjunction with two-electrode measuring cells. Designed as wall-mounted version.Operation at 230 V AC or 24 V DC possible2 potential-free relays - changeover switch for limit value switching (hysteresis 5 % fixed)Alphanumeric display with 2 x 16 charactersTemperature measurement and temperature display from 0.0 °C to 90.0 °C when a Pt100 is connectedSwitchable temperature compensation with 2.2 % / K up to 90 °CMonitoring of the temperature sensor for sensor break and error message on the displaySwitchable mode of operation for relay controlOutput of the measured value with 0 - 10 V and 4 - 20 mA Technical data Measuring ranges: dependent on measuring cell and amplification Temperature compensation: Linear 2.2 % / K, can be switched off, reference temperature 25 °CLimit value displays: Optical by means of 2 LEDs, 2 limit values adjustable over the measuring range Limit value outputs: 1 potential-free changeover contact, max. 6 A / 250 V AC1 change-over contact to 230V AC (terminal 21) Analog outputs: 0 - 10 V, Ra > 1 kOhm; corresponds to 0 - 20 / 200 / 2000 μS/cm 4 - 20 mA, Ra < 500 Ohm; corresponds to 0 - 20 / 200 / 2000 μS / cm Power supply: 22 - 26 V DC, protected against reverse polarity, electrically isolated, 1000 V insulation voltage, or 230 V 50/60 Hz Power consumption: Approx. 3 W / 3 VA Protection class: IP 65 Housing: Surface-mounted housing (polycarbonate) 120 x 122 x 57 mm Connections: 4 x M16 cable entries on the bottom of the housing.

Technical data: Screw-in thread: 3/4"Material housing: POM black Material electrodes: V4A 4571 Material O-ring: EPDM Cell constant: C=0.1 +/- 10%. Max. Operating pressure: 6 bar Max. Operating temperature: 60°C Temperature sensor: PT100 Solenoid valve connector: ST2+SL electrodes Colour cable green/yellow St1+St2 PT 100 Colour cable brown/white

Technical data: Screw-in thread: 3/4"Material housing: POM black Material electrodes: V4A 4571 Material O-ring: EPDM Cell constant: C=1.0 +/- 10%. Max. Operating pressure: 6 bar Max. Operating temperature: 60°C Temperature sensor: PT100 Solenoid valve connector: ST2+SL electrodes Colour cable green/yellow St1+St2 PT 100 Colour cable brown/white

High-quality conductivity meter with a 4-20mA signal output for forwarding the measured value to a higher-level control system, for example. The measurement is temperature compensated and therefore offers you an accurate measurement result. Also here we have the possibility to offer you an individual design regarding the connection, the LEDs including the measuring range up to a private label.  Due to the acrylic glass cover used, the light of the LEDs is widely scattered and the current LED status can be seen from a distance in darker rooms.  Quality Made in Germany. Standard LED configuration (1 green LED, 1 red LED): <1500 µS/cm = green >1500 µS/cm to <1900µS/cm = green/red flashing >1900 µS/cm = red Technical data: Measuring range: 0 - 2000 μS/cm Temperature compensation: Linear 2.2 % / K, reference temperature 25°C Accuracy conductivity: +/-10% of the maximum full scale value Accuracy temperature: +-1.0 °C Limit value display: Optical via LED Analog output: 4-20 mA = 0-2000 μS/cm Power supply: 24 VDC +-10% Power consumption: < 2.5W Screw-in thread: 3/4" Housing: POM (polyoxymethylene) Vision panel: PMMA (acrylic glass) Electrodes: stainless steel 1.457 Dimensions: Diameter 60 mm x 60 mm (top) / 100 mm (total) Gaskets electrodes: EPDM, 28 x 3 mm Gasket housing: EPDM, 50 x 2 mm Application limits: P max: 6 bar; T max: 50 °C Protection class: IP 65*

High-quality conductivity meter for conductivity monitoring Our innovative conductivity meter has been specially developed for monitoring conductivity in ultrapure water (demineralised water) and has a 4-20 mA signal output that enables easy integration into higher-level control systems.The measurements are temperature-compensated, which ensures greater accuracy. With a measuring range of 0 to 2 µS/cm, our device is particularly suitable for monitoring low conductivities, such as those typically found in mixed-bed ion exchanger cartridges. The limit value is displayed by means of 2 LEDs (green/red) on the top of the device. An acrylic glass cover ensures that the current status is immediately visible. The device has a ¾ screw thread, which can be customised for easy and safe installation. There is also the option of customisation in terms of the LEDs, including the measuring range and a private label. Our high-quality conductivity meter offers a reliable solution for conductivity monitoring in medical areas to fulfil the guidelines and recommendations of the DGSV. Our measuring device is also particularly suitable for mixed bed cartridge monitoring in the clinical environment. Standard LED configuration (1 green LED, 1 red LED): <0.5 µS/cm = green >0.5 µS/cm to <1.0 µS/cm = green/red flashing >1 µS/cm = red

High-quality conductivity meter with a 4-20mA signal output for forwarding the measured value to a higher-level control system, for example. The measurement is temperature compensated and therefore offers you an accurate measurement result. Also here we have the possibility to offer you an individual design regarding the connection, the LEDs including the measuring range up to a private label.  Due to the acrylic glass cover used, the light of the LEDs is widely scattered and the current LED status can be seen from a distance in darker rooms.  Quality Made in Germany. Standard LED configuration (1 green LED, 1 red LED): <20 µS/cm = green >20 µS/cm to <40µS/cm = green/red flashing >40 µS/cm = red Technical data: Measuring range: 0 - 50 μS/cm Temperature compensation: Linear 2.2 % / K, reference temperature 25°C Accuracy conductivity: +/-10% of the maximum full scale value Accuracy temperature: +-1.0 °C Limit value display: Optical via LED Analog output: 4-20 mA = 0-50 μS/cm Power supply: 24 VDC +-10% Power consumption: < 2.5W Screw-in thread: according to your requirements Housing: POM (polyoxymethylene) Vision panel: PMMA (acrylic glass) Electrodes: stainless steel 1.457 Dimensions: Diameter 60 mm x 60 mm (top) / 100 mm (total) Gaskets electrodes: EPDM, 28 x 3 mm Gasket housing: EPDM, 50 x 2 mm Application limits: P max: 6 bar; T max: 50 °C Protection class: IP 65*

High-quality conductivity meter with a 4-20mA signal output for forwarding the measured value to a higher-level control system, for example. The measurement is temperature compensated and therefore offers you an accurate measurement result. Also here we have the possibility to offer you an individual design regarding the connection, the LEDs including the measuring range up to a private label.  Due to the acrylic glass cover used, the light of the LEDs is widely scattered and the current LED status can be seen from a distance in darker rooms.  Quality Made in Germany. Standard LED configuration (1 green LED, 1 red LED): <20 µS/cm = green >20 µS/cm to <40µS/cm = green/red flashing >40 µS/cm = red Technical data: Measuring range: according your requirements Temperature compensation: Linear 2.2 % / K, reference temperature 25°C Accuracy conductivity: +/-10% of the maximum full scale value Accuracy temperature: +-1.0 °C Limit value display: Optical via LED Analog output: 4-20 mA = 0-... μS/cm (according your needed measuring range) Power supply: 24 VDC +-10% Power consumption: < 2.5W Screw-in thread: 3/4" Housing: POM (polyoxymethylene) Vision panel: PMMA (acrylic glass) Electrodes: stainless steel 1.457 Dimensions: Diameter 60 mm x 60 mm (top) / 100 mm (total) Gaskets electrodes: EPDM, 28 x 3 mm Gasket housing: EPDM, 50 x 2 mm Application limits: P max: 6 bar; T max: 50 °C Protection class: IP 65*

Conductivity meter for conductivity monitoring Our innovative conductivity meter was developed specifically for monitoring the conductivity of aqueous solutions. With a measuring range of 0 to 5 µS/cm, our device is particularly suitable for monitoring low conductivities, which are typically used in the following processes: Mixed bed cartridges demineralisation Reverse osmosis (2-stage) EDI (electrode ionisation) The limit values are indicated by means of digital displays with 2 preset limit values and 2 LEDs (green/red) for visualisation. The device has a screw-in thread of ¾", which can be customised for easy and safe installation. There is also the option of customised versions with regard to the measuring range and a private label. Added value  Operation at 9 V DC via supplied plug-in power supply unit  1 potential-free relay with switchable mode of operation of relay control  Limit value display optically by means of LEDs 

Device for the measurement of the electrical conductivity of aqueous solutions using a two-electrode conductivity cell without temperature compensation. Designed as measuring device with external measuring cell, with or without potential-free relay output available.- Applications: Demineralisation, reverse osmosis, desalination, cooling water recirc., phase separation- Operation at 9V DC via included wall transformer power supply.- Versions with relay output: 1 potential-free relay with reversible mode of action for the relay output- Optical limit indication via LEDs Technical Data- Measuring ranges: 0 - 10 / 100 / 1000 uS/cm, depending on type of device- Indication of limit values: Optical via LEDs, 2 limit values can be set within 0 and 100 % of the measuring range- Versions with relay output: 1 potential-free relay contact, max. 2 A / 250 V AC, 60 W / 62.5 VA- Versions with external measuring cell: For this reason measuring device includes wall brac