The Memosens CPS77E, CPS97E, and CPS47E are digital non-glass pH sensors from Endress+Hauser, utilizing ISFET (Ion-Sensitive Field-Effect Transistor) technology for reliable measurement without the risk of glass breakage. Each sensor is engineered for specific application profiles while sharing Memosens 2.0 digital technology for enhanced process safety and predictive maintenance capabilities.

The Memosens CPS77E is the specialist for hygienic and sterile applications in the food and beverage, biotechnology, and pharmaceutical industries. It features a bacteria-proof ceramic junction and stabilized gel reference, ensuring reliable measurement in demanding hygienic environments. The sensor handles process temperatures from –15 to 135°C (5 to 275°F) and pressures up to 11 bar absolute at 100°C. It holds comprehensive hygienic approvals including EHEDG, 3A, EU1935/2004, and USP 87/88.

The Memosens CPS97E is designed for heavily contaminated media with high fibre or suspended solids content. Its open aperture prevents clogging in dispersions, precipitations, and emulsions, making it ideal for chemical, pulp and paper, and minerals applications. The sensor handles process temperatures from –15 to 110°C (5 to 230°F) and pressures up to 11 bar absolute at 100°C. It also holds hygienic approvals including EHEDG, 3A, EU1935/2004, and USP 87/88.

The Memosens CPS47E is the high performer with liquid KCl reference for media with low conductivity or high organic load. It is suitable for boiler feedwater and water for injection applications in the chemical, power, and life sciences industries. The sensor handles process temperatures from –15 to 135°C (5 to 275°F) and pressures up to 11 bar absolute at 100°C. It features a separate reference lead for reliable measurement in challenging conditions and holds hygienic approvals including EHEDG, 3A, EU1935/2004, and USP 87/88.

All three sensors feature a non-glass PEEK sensor body, ensuring highest product safety where glass breakage is intolerable. ISFET technology is insensitive to temperature fluctuations and shows virtually no acid or alkaline errors, allowing for long calibration intervals and low maintenance requirements.

Memosens 2.0 digital technology offers extended storage of calibration and process data, enabling better trend identification and providing a future-proof basis for predictive maintenance and enhanced IIoT services. Non-contact, inductive signal transmission eliminates all problems caused by moisture or corrosion, and enables laboratory calibration while the process is running.

All sensors connect via an inductive, digital connection head with Memosens 2.0 technology and are rated IP68 for ingress protection. They hold comprehensive hazardous area approvals including ATEX, IECEx, CSA C/US, NEPSI, JPN Ex, INMETRO, UKCA, and Korea Ex.

The Memosens CPS77E, CPS97E, and CPS47E deliver reliable, application-specific non-glass pH measurement, combining ISFET technology for glass-free operation, Memosens 2.0 for advanced diagnostics, and comprehensive hygienic and hazardous area approvals.

The Cleanfit CPA871, CPA875, CPA472D, CPA473, and CPA474 are manual or automatic retractable assemblies from Endress+Hauser, designed for the safe installation, cleaning, and calibration of pH, ORP, oxygen, and NIR sensors while the process is running. Each model is tailored to specific industry requirements, from hygienic life sciences applications to heavy-duty chemical and wastewater processes.

All assemblies share a core principle of highest operational safety. Intelligent functions prevent the sensor guide from moving into the process when no sensor is installed, and prevent the sensor from being removed while in the measuring position. This ensures no process medium escapes during operation, cleaning, or calibration. Sensors can be replaced, cleaned, and calibrated while the process is running, saving significant maintenance time and costs. The optional electric or pneumatic control system enables fully automated cleaning and calibration cycles.

The Cleanfit CPA871 is the flexible workhorse for water and wastewater treatment and the chemical industry. It handles process temperatures from –10 to 140°C and pressures up to 16 bar at 140°C with stainless steel wetted materials. Available wetted materials include stainless steel 1.4404, PEEK, PVDF, Alloy C22, and Titanium, with hazardous area options available.

The Cleanfit CPA875 is the hygienic specialist for food and beverage, biotechnology, and life sciences applications. It is fully certified with EHEDG and ASME BPE approvals, and all wetted materials are FDA-compliant and USP Class VI listed. The assembly handles process temperatures from –10 to 140°C, with pneumatic drive rated to 16 bar and manual drive rated to 8 bar. The wetted material is stainless steel 1.4435.

The Cleanfit CPA472D is the heavy-duty assembly for aggressive chemical media at high pressures and temperatures. It handles process temperatures from 0 to 140°C and pressures up to 10 bar (pneumatic) or 4 bar (manual). Wetted materials include PEEK, PVDF, Alloy C22, and stainless steel 1.4571. It is PED compliant with Ex protection available.

The Cleanfit CPA473 handles fibrous or sticky media with patented sleeve seals and integrated scrapers. It is suitable for paper, wastewater, and other challenging applications. Process temperature ranges from a maximum of 80°C for PA versions to 100°C for stainless steel versions, with pressures up to 6 bar (PA) or 10 bar (SS). Wetted materials include stainless steel 1.4404, PVDF, and PTFE, with 3.1 EN 10204 material certification available.

The Cleanfit CPA474 is designed for media that could affect stainless steel, with only polymers in contact with the medium. It is suitable for corrosive media, chemical, and wastewater applications. Process temperature ranges from a maximum of 80°C for PA versions to 120°C for stainless steel versions, with pressures up to 6 bar (PA) or 10 bar at 40°C (SS). Wetted materials include PP, PEEK, and PVDF, with 3.1 EN 10204 material certification available.

The Cleanfit retractable assembly family delivers safe, reliable sensor handling with application-specific designs, modular flexibility, and the ability to maintain measurement points without process interruption.

The Liquiline CM442 and CM442R are digital multichannel multiparameter transmitters from Endress+Hauser, designed for process monitoring and control across all industries. The CM442 features a robust field housing, while the CM442R is a compact DIN-rail and cabinet device optimized for space-constrained installations.

Both models support up to 2 digital Memosens sensor channels, with the ability to connect any combination of pH, ORP, conductivity, dissolved oxygen, chlorine, turbidity, nitrate, and ISFET sensors. The transmitter’s functionality is modularly extendable at any time with additional inputs, outputs, controllers, and math modules, allowing the device to grow with changing process requirements. Optional inputs include 2x 0/4…20 mA and 2x digital inputs, while outputs include 2 to 8x 0/4…20 mA current outputs, an alarm relay, and 2x relays.

The transmitters offer clever simplicity through a single controller that handles all parameters and applications. The intuitive user interface, automatic sensor recognition, and hot plug & play capability with pre-calibrated Memosens sensors simplify commissioning and operation. Configuration can be saved on an SD card for fast setup on duplicate installations, reducing engineering time and minimizing errors.

Seamless system integration is achieved through a unique portfolio of communication standards that suits every distributed control system (DCS), including 0/4…20 mA, HART, PROFIBUS DP, Modbus RS485/TCP, EtherNet/IP, and PROFINET. An integrated web server allows remote viewing of diagnostic data, configurations, and device parameters via any web browser, even on smartphones, enabling convenient remote monitoring and troubleshooting.

The CM442R features an extremely compact DIN-rail design that saves cabinet space, requires no cut-out in the cabinet door, and enables one-click mounting with minimized wiring. It is ideal for skids and space-constrained installations, with dimensions of 99 x 100 x 97 mm. The CM442 field housing is constructed of robust plastic (PC-FR) with IP67 ingress protection. The CM442R DIN-rail housing is constructed of PC-FR, featuring IP20 protection for the transmitter and IP66 for the optional display.

Heartbeat Technology enables status-oriented maintenance and easy verification of the entire measuring point, helping to optimize maintenance efforts and maximize plant availability. The transmitters hold EAC and cCSAus certifications.

The Liquiline CM442/CM442R delivers reliable, flexible multiparameter measurement for process monitoring and control, combining expandable architecture, seamless system integration, and the diagnostic power of Heartbeat Technology.

The Memosens CPS96E and CPS16E are digital combined pH/ORP sensors from Endress+Hauser, each engineered for distinct application profiles while sharing Memosens 2.0 technology for reliable, future-proof measurement. Both sensors measure pH, ORP, and rH values simultaneously, providing a better process overview and enabling tighter process control.

The Memosens CPS96E is the specialist for heavily contaminated media with high suspended solids, dispersions, precipitations, and emulsions. It features an open aperture and double gel reference with ion trap, ensuring reliable measurement in demanding chemical, pulp and paper, and wastewater applications. The sensor provides a pH measuring range of 0 to 14 and an ORP measuring range of –1,500 to 1,500 mV. Process temperature range is 0 to 110°C (32 to 230°F), with process pressure of 0.8 to 14 bar absolute. The open aperture design prevents clogging and ensures stable measurement even in media with high solids content.

The Memosens CPS16E is the standard solution for long-term stable process and water applications. It uses a large PTFE ring junction with poison-resistant reference and ion trap, suitable for standard process, water and wastewater, chemical, power, and mining applications. The sensor offers a pH measuring range of 1 to 12 for Application A and 0 to 14 for Application B, with an ORP measuring range of –1,500 to 1,500 mV. Process temperature ranges from –15 to 80°C for Application A and 0 to 135°C for Application B, with process pressure of 0.8 to 17 bar absolute. The large PTFE ring junction provides a large contact area between the reference and the medium, ensuring stable measurement and long sensor lifetime.

Both sensors feature an additional platinum electrode that enables constant monitoring of reference impedance, serving as a reliable indicator of sensor quality. This allows early detection of sensor deterioration and supports predictive maintenance strategies. Both sensors include an integrated NTC 30k temperature sensor for automatic temperature compensation.

Memosens 2.0 digital technology offers extended storage of calibration and process data, enabling better trend identification and providing a future-proof basis for predictive maintenance and enhanced IIoT services. Non-contact, inductive signal transmission resists moisture and enables lab calibration, combining maximum process integrity with simple operation.

Both sensors connect via an inductive, digital connection head with Memosens 2.0 technology and are rated IP68 for ingress protection. They hold comprehensive hazardous area approvals including ATEX, IECEx, CSA C/US, NEPSI, Japan Ex, and INMETRO for use in Zone 0, 1, and 2.

The Memosens CPS96E and CPS16E deliver reliable, application-specific combined pH/ORP measurement, combining simultaneous multivariable capability, poison-resistant reference technology, and the advanced diagnostic power of Memosens 2.0.

The Memosens CPS76E is a digital combined pH/ORP sensor from Endress+Hauser, engineered as the heavy-duty specialist for simultaneous pH and ORP measurement in demanding chemical processes and poisoning media. Featuring Memosens 2.0 technology and a unique contamination-resistant reference, it delivers stable measurement in polluted, poisoning media and in media with low conductivity.

The sensor operates on the potentiometric measuring principle using a gel compact electrode with ceramic junction and ion trap. It measures pH, ORP, and rH value simultaneously, providing a better process overview and enabling tighter process control. The unique ion trap prevents poisoning of the electrode’s junction and reference, ensuring a long sensor lifetime even in media with high levels of electrode poisons such as H2S. This contamination-resistant reference guarantees stable measurement in polluted, poisoning media and in media with low conductivity. An optional pressurized reference ensures reliable measurement in blocking media such as dispersions.

The sensor’s ORP measuring range covers –1,500 to 1,500 mV. The pH measuring range is 0 to 14 for Application B and 0 to 12 for Application H. Process temperature range is 0 to 140°C (32 to 284°F), with 140°C for sterilization only and a maximum of 100°C in continuous operation. Process pressure ranges from 0.8 to 14 bar absolute for Application B and 0.8 to 7 bar absolute for Application H.

Memosens 2.0 digital technology offers extended storage of calibration and process data, enabling better trend identification and providing a future-proof basis for predictive maintenance and enhanced IIoT services. Non-contact, inductive signal transmission resists moisture and enables lab calibration, combining maximum process integrity with simple operation.

The sensor features an integrated NTC 30k temperature sensor for automatic temperature compensation. The shaft is constructed of glass to suit the process, with pH membrane glass available in Type B and Type N, and the ORP element made of platinum. The sensor has a diameter of 12 mm (0.46 inch) and is available in shaft lengths of 120, 225, 360, and 425 mm. It connects via an inductive, digital connection head with Memosens 2.0 technology and is rated IP68 for ingress protection. The sensor holds comprehensive hazardous area approvals including ATEX, IECEx, CSA C/US, NEPSI, Japan Ex, and INMETRO for use in Zone 0, 1, and 2.

The Memosens CPS76E delivers reliable, high-performance combined pH and ORP measurement for demanding chemical applications, combining simultaneous multivariable measurement, poison-resistant reference technology, and the advanced diagnostic capabilities of Memosens 2.0.

The Flowfit CPA25, CPA240, and CYA21 are flow assemblies from Endress+Hauser, designed for the reliable installation of analytical sensors in liquid analysis measuring points. Each assembly is tailored to specific application requirements, ranging from standard water and wastewater treatment to demanding high-temperature and high-pressure chemical processes.

Flowfit CPA25 is a universal flow assembly designed for measuring points in water and wastewater treatment and industrial auxiliary processes. It offers space for up to three sensors (Pg 13.5 connection, 120 mm shaft length) for pH/ORP, conductivity, and oxygen measurement. Its siphon-type profile keeps sensors wet even when flow is interrupted, extending sensor service life and ensuring measurement availability. Constructed of corrosion-resistant polypropylene, it handles process pressures up to 6 bar at 20°C and temperatures up to 80°C. The assembly connects via piping, bypass, or branch line configurations, making it highly flexible for various installation setups.

Flowfit CPA240 is a durable flow assembly engineered for high-temperature and high-pressure applications in the chemical, petrochemical, power, and metallurgy industries. It provides three mounting positions for 120 mm sensors or an optional cleaning unit, enabling efficient sensor maintenance. Available in PVDF (up to 120°C, 8 bar) or stainless steel 1.4404 (up to 150°C, 10 bar), it accommodates demanding process conditions. The assembly features a Goretex filter to reduce condensation, protecting sensors and ensuring reliable measurement. Flexible connection options include flanges DN25/PN16, ASME 1″ 150 lbs, and JIS 10K 25A, enabling integration into diverse piping systems.

Flowfit CYA21 is a stainless steel flow assembly designed for analytical measuring points in power plants and industrial utilities, including boiler feedwater, condensate, and permeate quality monitoring. Its high-quality stainless steel construction allows continuous use at pressures up to 16 bar at 100°C, suitable for demanding high-purity water applications. It accommodates sensors with Pg 13.5 or NPT 1/2″ process connections and fits into all common compression fitting systems via open pipe endings (6 mm outer diameter). The assembly operates in a temperature range from -15 to 100°C, ensuring reliable performance in power and utility applications.

The Flowfit CPA25, CPA240, and CYA21 flow assemblies provide reliable, application-specific sensor installation solutions for liquid analysis, combining durable construction, flexible process connections, and design features that protect sensors and simplify maintenance.

The Endress+Hauser Liquiline single-channel transmitter family is a group of digital transmitters for liquid analysis, covering a complete range of solutions from compact fixed-configuration instruments to modular Ex-certified field devices. The entire series supports Memosens digital sensor technology, ensuring reliable plug-and-play sensor integration.

Liquiline CM42B is a two-wire field device suitable for hazardous and non-hazardous areas in the chemical, life sciences, and food and beverage industries. It supports single or dual-channel transmission (with one reference connection) and can connect to either Memosens digital sensors or analog sensors, measuring parameters including pH, ORP, conductivity, and dissolved oxygen. Output options include 0/4…20 mA, HART, Profibus, and FF. It features a Bluetooth interface, allowing detailed measuring point information to be viewed on mobile devices via the SmartBlue app. The ingress protection rating is IP66/IP67, with certifications including IECEx, ATEX, C/US IS Cl. I Div. 1, and Chinese explosion protection. Housing options include stainless steel, plastic, or DIN-rail panel-mount versions.

Liquiline CM14 is a cost-effective panel-mount transmitter with a four-wire design and a 48 x 96 mm panel housing, suitable for food, power, water, and wastewater applications. It connects to Memosens digital sensors and supports pH/ORP, conductivity, and dissolved oxygen measurement. It features a two-line display, with outputs of 2 x 0/4…20 mA and 2 relays. The front protection rating is IP65 / NEMA 4X, with the body rated IP20. This model does not carry explosion protection certification and is intended for non-hazardous areas.

Liquiline CM42 is a modular two-wire transmitter usable across all process sectors, including chemical processes, the pharmaceutical industry, food manufacturing, and hazardous area applications. It supports connection to either analog or Memosens digital sensors, covering measurement principles including pH, ORP, conductivity, dissolved oxygen, and ISFET electrodes. Output options include 1 or 2 x 4…20 mA analog current outputs, or connection to HART, PROFIBUS PA, and FOUNDATION Fieldbus fieldbuses. The transmitter is designed in accordance with the IEC 61508 international safety standard and offers SIL and Ex versions. It is available in a robust plastic housing (144 x 144 x 159 mm) or stainless steel housing (174 x 174 x 145 mm), with IP66/IP67 ingress protection. Explosion protection certifications include ATEX, FM, CSA, NEPSI, and TIIS.

Liquiline CM72 is a compact two-wire transmitter designed for applications with limited installation space where multiparameter devices are not required. Its housing measures only 18.95 mm in diameter and 114.7 mm in length, constructed of PEEK material. It connects directly to Memosens digital sensors without the need for a cable. The measuring parameters and measuring range are preconfigured at the time of ordering, allowing immediate use after installation, with high safety that prevents operating errors. Measurement ranges support pH 0 to 14, ORP –1500 mV to 1500 mV, conductivity 0 to 500 mS/cm, and dissolved oxygen 0 to 20 mg/l. Output is 4…20 mA, with an ingress protection rating of IP67/IP68/NEMA Type 6, suitable for both hazardous and non-hazardous areas.

Liquiline CM82 shares the same dimensions as the CM72 (18.95 mm diameter, 114.7 mm length) and also features a compact, lightweight PEEK housing that connects directly to Memosens digital sensors. The main difference from the CM72 is that the CM82 offers optional Bluetooth connectivity, allowing users to view all nearby CM82 measuring points on a tablet or smartphone via a secure Bluetooth connection for convenient remote operation. Output signals are 4…20 mA and HART, with the same IP67/IP68/NEMA Type 6 ingress protection rating.

The transmitter family ensures non-contact digital signal transmission through Memosens digital technology, achieving optimal electrical isolation, no contact corrosion, and complete waterproofing and moisture protection—connections are even possible underwater. Pre-calibrated sensors support plug-and-play operation, reducing the process downtime required for sensor calibration.

The Liquiline Control CDC90 is a fully automatic cleaning and calibration system from Endress+Hauser, designed to automate Memosens pH and ORP measuring points across all industries. This plug-and-play system cleans, calibrates, and adjusts up to two sensors automatically, reducing maintenance effort while ensuring reliable measurement and product quality.

The CDC90 minimizes maintenance and servicing measures, which is particularly advantageous in difficult-to-access and hazardous environments. Service engineers benefit from a safer working environment as manual intervention is drastically reduced. Users can configure individualized cleaning and calibration cycles for up to two sensors, achieving high process reliability, product quality, and optimum product yield. Blockages and soiling of sensors are removed in good time, preventing measurement drift and ensuring consistent performance.

The system’s sophisticated hydraulics guarantee reproducible calibration inputs and reliable measured values at all times, while optimizing buffer and cleaning agent consumption at both measuring points to minimize operating costs. The CDC90 integrates easily into existing plant infrastructures through certified communication standards including 0/4…20 mA analog signals, PROFIBUS DP, Modbus TCP, EtherNet/IP, PROFINET, and web server technology.

The system has demonstrated reliability in heavy-duty applications such as the Dow plant in Stade, Germany, where it handles aggressive cleaners like concentrated acids and alkalis. Automatic fault messages are sent directly to the process control system when sensor condition values exceed specified limits, enabling prompt maintenance intervention.

The CDC90 is a complete automated system that includes a selectable retractable holder for sensor installation. It supports 1 to 2 Memosens digital sensors, 1x 0/4…20 mA input, and 4x digital inputs. The system features a complete design with dosing pumps and canisters for buffer and cleaning solutions. Dimensions are 268 x 1170 x 770 mm (10.55 x 46.06 x 28.74 inches), with a powder-coated or stainless steel pneumatic control unit. The system holds UKCA and CSA general purpose certifications.

The Liquiline Control CDC90 delivers reliable, automated pH and ORP measurement point management, combining customizable cleaning and calibration cycles, intelligent media dosing, and seamless system integration to reduce maintenance costs while improving process safety and product quality.

The Memosens pH sensor portfolio from Endress+Hauser encompasses a comprehensive range of digital pH sensors, each engineered for specific application requirements across process, water, wastewater, chemical, life sciences, and laboratory environments. All sensors feature Memosens 2.0 technology with inductive, contactless signal transmission, ensuring maximum process integrity by eliminating moisture and corrosion issues.

The CPS11E is the all-rounder for standard process, water, and wastewater applications, featuring a dirt-repellent PTFE ring junction and advanced gel technology. It supports pH measurement with application-specific ranges and process temperatures from –15 to +80°C (Application A) or 0 to +135°C (Application B), with process pressure of 0.8 to 17 bar absolute.

The CPF81E is the robust solution for harsh environments including mining operations, flotation, leaching, and neutralization processes. Its double-chamber reference system with potassium nitrate bridge electrolyte and PTFE diaphragm provides resistance against electrode poisoning ions such as sulfide or cyanide. The sensor features a compact PPS housing with integrated 3/4″ NPT process connection, reducing installation space requirements. Measurement range is pH 0 to 14 with process temperature up to 110°C and process pressure of 0.8 to 11 bar absolute.

The CPS31E is optimized for drinking water and swimming pool applications, providing stable measurement inputs for pH compensation during free chlorine measurement. It features a gel-filled reference with one or three ceramic junctions and optional salt storage, ensuring minimum drift through very low ion depletion. Measurement range is pH 1 to 13 with process temperature from –15 to +80°C and pressure of 0.8 to 4 bar absolute.

The CPS41E is designed for harsh chemical applications and low-conductivity media, featuring liquid KCl electrolyte with ceramic junction. It handles a measurement range of pH 0 to 14 with process temperatures from –15 to +80°C (Application A) or 0 to +135°C (Application B) and process pressure of 0.8 to 11 bar absolute.

The CPS61E is the specialist for hygienic and sterile applications in biotechnology, pharmaceutical, and food industries. It features an ion trap for long-term stable reference and special glass membrane resistant to CIP/SIP cleaning and autoclaving up to 140°C. The sensor provides pH 0 to 14 measurement with process temperature of 0 to 100°C (up to 140°C for sterilization) and process pressure of 0.8 to 7 bar absolute. It holds USP Class VI biocompatibility certification, FDA compliance for wetted parts, and VO 1935/2004 compliance.

The CPS71E is engineered for chemical processes with rapidly changing pH values and high proportions of electrode poisons such as H2S. Its special ion trap prevents poisoning of the junction and reference, offering resistance to strong acids and bases. Measurement range is pH 0 to 14 (Application B) or pH 0 to 12 (Application H), with process temperature of 1 to 140°C and pressure of 0.8 to 14 bar absolute. An optional pressurized reference ensures reliable measurement in blocking media.

The CPS91E handles contaminated media with high suspended solids, dispersions, precipitations, or emulsions. It features an open aperture design and double gel reference, making it suitable for chemical processes, pulp and paper industry, and flue gas cleaning. Measurement range is pH 0 to 14 with process temperature of 0 to 110°C and pressure of 0.8 to 14 bar absolute.

The laboratory-oriented CPL51E, CPL53E, CPL57E, and CPL59E cover field sampling and laboratory analysis requirements. These sensors feature gel-filled reference systems requiring no electrolyte refilling, with integrated NTC 30kΩ temperature sensors for automatic temperature compensation. They provide true plug-and-play capability with Memosens 2.0 technology, storing calibration data and sensor history directly in the sensor head for traceability and GLP compliance.

All sensors feature inductive, digital connection heads with Memosens 2.0 technology, IP68 ingress protection, and comprehensive hazardous area approvals including ATEX, IECEx, CSA C/US, NEPSI, Japan Ex, and INMETRO for use in Zone 0, 1, and 2.

The Liquiline CM444 and CM444R are digital multichannel multiparameter transmitters from Endress+Hauser, designed for process monitoring and control across all industries. The CM444 features a robust field housing, while the CM444R is a DIN-rail mountable version optimized for cabinet installation in space-constrained applications.

The CM444 supports up to 4 digital Memosens sensor channels, with the ability to connect any combination of pH, ORP, conductivity (inductive and conductive), dissolved oxygen, chlorine, turbidity, nitrate, and ISFET sensors. The transmitter’s functionality is modularly extendable at any time with additional inputs, outputs, controllers, and math modules, allowing the device to grow with changing process requirements. Optional inputs include 2x 0/4…20 mA and 2 to 4x digital inputs, while outputs include 2 to 8x 0/4…20 mA current outputs, an alarm relay, and 4x relays.

The transmitter offers clever simplicity through a single controller that handles all parameters and applications. The intuitive user interface, automatic sensor recognition, and hot plug & play capability with pre-calibrated Memosens sensors simplify commissioning and operation. Configuration can be saved on an SD card for fast setup on duplicate installations, reducing engineering time and minimizing errors.

Seamless system integration is achieved through a unique portfolio of communication standards that suits every distributed control system (DCS), including 0/4…20 mA, HART, PROFIBUS DP, Modbus RS485/TCP, EtherNet/IP, and PROFINET. An integrated web server allows remote viewing of diagnostic data, configurations, and device parameters via any web browser, even on smartphones, enabling convenient remote monitoring and troubleshooting.

The CM444R features a compact DIN-rail design that saves cabinet space, requires no cut-out in the cabinet door, and enables one-click mounting with minimized wiring. It is ideal for skids and space-constrained installations. The CM444 field housing is constructed of robust plastic (PC-FR) with dimensions of 237 x 194 x 162 mm and IP66/IP67 ingress protection. The CM444R DIN-rail housing is constructed of PC-FR with dimensions of 220 x 100 x 97 mm, featuring IP20 protection for the transmitter and IP66 for the optional display.

Heartbeat Technology enables status-oriented maintenance and easy verification of the entire measuring point, helping to optimize maintenance efforts and maximize plant availability. The transmitters hold EAC and cCSAus certifications.

The Liquiline CM444/CM444R delivers reliable, flexible multiparameter measurement for process monitoring and control, combining expandable architecture, seamless system integration, and the diagnostic power of Heartbeat Technology.

The Liquiline To Go CYM291 is an Ex-certified multiparameter handheld device from Endress+Hauser, designed for the measurement of pH/ORP, conductivity, dissolved oxygen, and temperature directly at the sampling point, even in hazardous areas. Featuring Memosens digital technology and a robust shock-proof housing, it enables reliable grab sample analysis without the risk of sample contamination.

The device supports measurement of pH, ORP, conductivity, conductivity trace, oxygen, oxygen trace, and temperature, enabling comprehensive liquid analysis with a single handheld instrument. Using the same Memosens sensors for both process and grab sample measurements guarantees full data consistency, eliminating discrepancies that can arise when different measurement technologies are used. The CYM291 holds international explosion-protection approvals including ATEX (II 1 G Ex ia IIC T4/T3 Ga) and IECEx (Ex ia IIC T4/T3 Ga), making it suitable for use in hazardous areas up to Zone 0.

The handheld features hot plug & play capability with Memosens sensors. Pre-calibrated sensors enable rapid changes from one parameter to another, and the device automatically detects the connected sensor and switches to the appropriate measured variable. Calibration data stored in the sensor head remains available when the sensor is connected to another Memosens-capable device, ensuring seamless workflow across different measurement points.

The CYM291 uses Sensoface, an icon-based tool that provides quick information on sensor condition. The display shows one of three “smiley” faces to represent sensor condition during measurement and after calibration, with status messages providing hints when condition deteriorates. The device continuously checks Memosens sensors and triggers an alarm if any error occurs.

The device features a shock-proof housing with IP66/67 ingress protection, constructed of PA12 GF30 (silver-gray RAL 7001) and TPE (black), with dimensions of approximately 132 x 156 x 30 mm (5.2 x 6.14 x 1.18 inches). The LCD STN 7-segment display shows three lines with icons. The data logger stores 5,000 measurement results with date and time. Temperature input supports 2 x Ø 4 mm for separate temperature sensor with Pt1000 (NTC30 measuring range), covering –20 to +120°C for NTC30 and –40 to +250°C for Pt1000. Power supply is 4 x AA batteries, with interfaces including 1 x micro USB-B, 1 x M8 socket (4-pin), 2 x Ø 4 mm sockets, and 1 x M12 8-pin.

The Liquiline To Go CYM291 delivers reliable, high-integrity multiparameter measurement for hazardous area applications, combining Ex certification, Memosens digital technology, and robust construction with the convenience of hot plug & play operation and full data consistency between process and grab sample measurements.