Conductivity
Conductivity Meters
Conductivity is a key parameter in water analysis, directly linked to the concentration of dissolved ions in water. It provides essential information about total mineralization, salinity, and water purity, making it highly relevant for drinking water monitoring, industrial process control, and reverse osmosis systems.
Typical Applications:
- Drinking water treatment and monitoring
- Industrial process and cooling water
- Laboratory quality control
- Reverse osmosis system monitoring
- Food and beverage production
Filter products
The instrument is used for conductive measurement / control of the electrolytic conductivity, the resistivity or the TDS value. In addition, the JUMO AQUIS 500 CR offers the possibility of displaying the measured conductivity according to a customer-specific table. display.Both conductive two-electrode and four-electrode measuring cells can be connected to the device. The temperature measurement is carried out as a second input variable with a Pt100/1000. Depending on the measured variable, specific automatic temperature compensation is possible.The unit is operated via keys and a large LC graphic display. This display makes it easy to read the measured value. The display of the parameters in plain text simplifies configuration for the operator and supports correct programming of the unit.The modular design of the unit allows it to be adapted to the requirements of the application. Up to four outputs are available.Typical areas of application:Universally applicable in water and wastewater management, service water, process water and wastewater, drinking, well and surface water, pure and ultrapure water applications, pharmaceutical water applications (e.g. according to USP, Ph.Eur., WFI), water quality measurements, TDS measurements (ppm or mg/l).Special features Direct switching option to specific - specific conductivity (µS/cm or mS/cm) - specific resistance (kΩ x cm or MΩ x cm) - TDS measurement (ppm or mg/l) - customer-specific tableAutomatic temperature compensation: off (e.g. USP), linear, ASTM, natural waters (EN 27888/ISO 7888)Large LC graphic display with backlightingDisplay presentation selectable: large digits, bargraph or tendency displayCalibration options depending on measured variable: cell constant and temperature coefficientCalibration logbookConnection possibility of two-electrode measuring cells (standard) or four-electrode measuring cellsActivatable contamination detection Autorange operation Protection class IP67 for surface mounting Protection class IP65 for control cabinet mountingOperator languages switchable: German, English, French; other languages via setup program RechargeableThrough setup program: convenient programming, system documentation, Loading of further operator languages JUMO Controllers – Precise Control for Various Processes JUMO controllers, especially from the modular AQUIS 500 series, provide reliable and flexible solutions for automated process control in water treatment, industry, and environmental technology. They are available for various measurement parameters such as temperature, pH, redox, conductivity, and oxygen, offering easy operation and high accuracy. At HeylNeomeris, you’ll find compact and modular JUMO controllers from the AQUIS 500 series, known for their robust design, multiple interface options, and flexible configuration possibilities. Why choose JUMO controllers: • Precise process control for optimal results • Durable and reliable even in demanding conditions • Easy integration into existing systems thanks to multiple interfaces • User-friendly menus and extensive configuration options Frequently Asked Questions What can I actually use the JUMO AQUIS 500 CR for? The transmitter measures conductivity, TDS, resistance and temperature in liquids, e.g. in water treatment, industrial plants or laboratory applications. Can I monitor several parameters simultaneously with the device? Yes, the AQUIS 500 CR can measure and display several parameters, such as conductivity and temperature, simultaneously. Is the device easy to install? Yes, the device is mounted in a surface-mounted housing and can be integrated into existing systems. Is the device suitable for industrial environments? Yes, the AQUIS 500 CR has been specially developed for use in industrial and process plants. Can I transmit the measured values to a control system? Yes, the analogue outputs allow measurement values to be easily transmitted to external control or monitoring systems. Does the device require frequent maintenance or calibration? Generally, occasional checks and calibration are sufficient, depending on the application and operating conditions. For which liquids is the device particularly well suited? Typical applications include water, process water or other conductive liquids in industry and engineering.
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 <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 <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 <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 <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 Frequently Asked Questions Why do I need a conductivity meter in my system? It allows you to quickly see how clean your water is and whether, for example, a filter or water treatment system is working properly. For which systems is this meter particularly well suited? It is frequently used in water treatment and osmosis systems, or in technical installations for water monitoring. Can I simply screw the measuring cell into my water pipe? Yes, it is screwed directly into a 3/4″ connection and can usually be easily integrated. How accurately does the device indicate water quality? It measures the conductivity of the water and thus quickly indicates changes in water quality. Is the device also suitable for very pure water? Yes, the measuring range up to 100 µS is specifically designed for very pure or treated water. Do I need to maintain or clean the measuring device regularly? As a rule, occasional inspection and cleaning of the measuring cell is sufficient.
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 Frequently Asked Questions Why do I need a conductivity meter in my system? It allows you to quickly see how clean your water is and whether, for example, a filter or water treatment system is working properly. For which systems is this meter particularly well suited? It is frequently used in water treatment and osmosis systems, or in technical installations for water monitoring. Can I simply screw the measuring cell into my water pipe? Yes, it is screwed directly into a 3/4″ connection and can usually be easily integrated. How accurately does the device indicate water quality? It measures the conductivity of the water and thus quickly indicates changes in water quality. Is the device also suitable for very pure water? Yes, the measuring range up to 100 µS is specifically designed for very pure or treated water. Do I need to maintain or clean the measuring device regularly? As a rule, occasional inspection and cleaning of the measuring cell is sufficient.
Features of the N-FLASH50 Device The N-FLASH50 is a compact, battery-powered conductivity meter designed to monitor conductivities in the range of 0 to 50 µS/cm. Thanks to its handy design, it is ideal for mobile use and short-term measurements directly on site. The clear LED display allows quick evaluation of measurement results without additional analysis devices. Mobile Conductivity Meter for Quick Checks Three integrated LEDs clearly indicate the current measurement status: green signals a safe range, yellow indicates threshold levels, and red warns of excessively high conductivity. The integrated 3/4"-threaded measurement cell allows direct installation in pipelines and ensures uncomplicated measurement during ongoing operations. Battery operation provides maximum flexibility, independent of external power supply. Why Conductivity Is Measured in Water Treatment Conductivity indicates how many dissolved salts and ions are present in water. It is therefore an important indicator for assessing water quality. In water treatment, it is used to monitor desalination and treatment processes and to detect deviations from target values early. Excessively high conductivity values can indicate exhausted filters, defective membranes, or contamination. Regular measurement protects equipment, ensures process quality, and helps comply with regulatory limits. Frequently asked questions Are there other measuring ranges available? The standard measuring ranges can be found in the product's drop-down menu. If the measuring range you require is not listed, don't worry. Simply let us know and we will check whether we can configure the item to suit your needs. Are there other thread sizes available? If the desired connection thread is not listed, that's no problem. Let us know your desired thread and we will check whether we can configure the item for you with the appropriate thread. For enquiries, please contact our service department on +49 (0) 5121 7609 99 or at vertrieb@heylneomeris.de Is it possible to label the conductivity meter with my own company logo so that we can sell it ourselves in future? That's no problem. Please provide us with more detailed information so that we can process your enquiry. Please note that the price will change due to the increased effort involved and that the minimum purchase quantity for product labelling is 100 units.
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 Frequently Asked Questions Why do I need a conductivity meter in my system? It allows you to quickly see how clean your water is and whether, for example, a filter or water treatment system is working properly. For which systems is this meter particularly well suited? It is frequently used in water treatment and osmosis systems, or in technical installations for water monitoring. Can I simply screw the measuring cell into my water pipe? Yes, it is screwed directly into a 3/4″ connection and can usually be easily integrated. How accurately does the device indicate water quality? It measures the conductivity of the water and thus quickly indicates changes in water quality. Is the device also suitable for very pure water? Yes, the measuring range up to 100 µS is specifically designed for very pure or treated water. Do I need to maintain or clean the measuring device regularly? As a rule, occasional inspection and cleaning of the measuring cell is sufficient.
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 Frequently Asked Questions Why do I need a conductivity meter in my system? It allows you to quickly see how clean your water is and whether, for example, a filter or water treatment system is working properly. For which systems is this meter particularly well suited? It is frequently used in water treatment and osmosis systems, or in technical installations for water monitoring. Can I simply screw the measuring cell into my water pipe? Yes, it is screwed directly into a 3/4″ connection and can usually be easily integrated. How accurately does the device indicate water quality? It measures the conductivity of the water and thus quickly indicates changes in water quality. Is the device also suitable for very pure water? Yes, the measuring range up to 100 µS is specifically designed for very pure or treated water. Do I need to maintain or clean the measuring device regularly? As a rule, occasional inspection and cleaning of the measuring cell is sufficient.
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 Frequently Asked Questions Why do I need a conductivity meter in my system? It allows you to quickly see how clean your water is and whether, for example, a filter or water treatment system is working properly. For which systems is this meter particularly well suited? It is frequently used in water treatment and osmosis systems, or in technical installations for water monitoring. Can I simply screw the measuring cell into my water pipe? Yes, it is screwed directly into a 3/4″ connection and can usually be easily integrated. How accurately does the device indicate water quality? It measures the conductivity of the water and thus quickly indicates changes in water quality. Is the device also suitable for very pure water? Yes, the measuring range up to 100 µS is specifically designed for very pure or treated water. Do I need to maintain or clean the measuring device regularly? As a rule, occasional inspection and cleaning of the measuring cell is sufficient.
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 Frequently Asked Questions Why do I need a conductivity meter in my system? It allows you to quickly see how clean your water is and whether, for example, a filter or water treatment system is working properly. For which systems is this meter particularly well suited? It is frequently used in water treatment and osmosis systems, or in technical installations for water monitoring. Can I simply screw the measuring cell into my water pipe? Yes, it is screwed directly into a 3/4″ connection and can usually be easily integrated. How accurately does the device indicate water quality? It measures the conductivity of the water and thus quickly indicates changes in water quality. Is the device also suitable for very pure water? Yes, the measuring range up to 100 µS is specifically designed for very pure or treated water. Do I need to maintain or clean the measuring device regularly? As a rule, occasional inspection and cleaning of the measuring cell is sufficient.
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 Frequently Asked Questions Why do I need a conductivity meter in my system? It allows you to quickly see how clean your water is and whether, for example, a filter or water treatment system is working properly. For which systems is this meter particularly well suited? It is frequently used in water treatment and osmosis systems, or in technical installations for water monitoring. Can I simply screw the measuring cell into my water pipe? Yes, it is screwed directly into a 3/4″ connection and can usually be easily integrated. How accurately does the device indicate water quality? It measures the conductivity of the water and thus quickly indicates changes in water quality. Is the device also suitable for very pure water? Yes, the measuring range up to 100 µS is specifically designed for very pure or treated water. Do I need to maintain or clean the measuring device regularly? As a rule, occasional inspection and cleaning of the measuring cell is sufficient.
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 - 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 - 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 - 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
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