Water Quality Analysis

E+H Liquisys COM253 Field Housing Dissolved Oxygen Transmitter

The Liquisys COM253 is a continuous online dissolved oxygen transmitter engineered for harsh industrial environments and wastewater treatment processes. Equipped with intuitive menu navigation, multi-relay outputs, and optional HART/PROFIBUS communication, it ensures precise aeration control and minimal maintenance costs.

Measurement Principle

Dissolved Oxygen Sensor

Application

Water, Wastewater, Process, Fish Farming

Features

Four-wire transmitter with graphical display

Design

Dissolved oxygen transmitter in a PC/ABS field housing, compatible with COS31/41/71

Material

PC/ABS housing

Dimensions

247 × 170 × 115 mm (9.63 × 6.63 × 4.48 in)

Temperature Sensor

Display and current output

Input

Single-channel transmitter

Output

0/4...20 mA, HART, PROFIBUS

Other Certificates

CSA General Purpose Certification

E+H Condumax CLS21 Industrial Conductive Conductivity Sensor Probe

The Condumax CLS21Series Conductive Conductivity Sensor (Cell Constant k=1.0) is designed for high-accuracy, long-term liquid analysis in medium to high conductivity range applications (10 µS/cm to 20 mS/cm). Featuring heavy-duty graphite electrodes and a chemically resistant PES shaft, this robust 2-electrode sensor delivers exceptional thermal, mechanical, and chemical stability.Ideal for industrial water treatment, wastewater processing, phase separation, and environmental monitoring, it provides reliable inline measurements under severe process pressures up to 16 bar and temperatures up to 135°C.

Measurement Principle

Conductivity

Applications

Water, wastewater, process, phase separation, industrial water.

Features

Two-electrode system; suitable for medium conductivity ranges.

Measurement Range

k=1: 10.0 µS/cm...20.0 mS/cm

Measurement Principle

Conductive conductivity sensor with graphite electrodes; suitable for medium conductivity ranges.

Design

Two-electrode system; electrodes mounted side-by-side.

Materials

Sensor body: PES Electrodes: Graphite

Dimensions

Diameter: 24 mm (0.936 inch) Length: 61 mm (2.37 inch)

Process Temperature

Max. 135°C (275°F)

Process Pressure

Max. 16 bar at 20°C (Max. 232 psi at 68°F)

Temperature Sensor

Optional Pt100 or PTC temperature sensor

Explosion Protection

ATEX

Connection

Process connection: DN25, DN40, G1"; Cable: 4-pin connector with Pg9 thread or fixed cable.

Ingress Protection

IP65 (connector), IP67 (fixed cable)

E+H Condumax CLS19 Conductive Conductivity Sensor Probe

Engineered specifically for conductivity measurement in low-conductivity range (pure and ultrapure water applications, 0 to 20 µS/cm or 0 to 200 µS/cm). Made with high-grade PES cell shaft and 1.4571 (316Ti) stainless steel coaxially arranged electrodes for exceptional long-term stability.Built-in Pt100 temperature sensor for automatic, highly accurate thermal compensation.Standard NPT 1/2" process connection with Pg9 DIN 4-pole connector for rapid drop-in replacement and seamless OEM integration.

Measurement Principle

Conductivity

Applications

Pure water and ultrapure water

Features

Two-electrode sensor for pure water measurement

Measurement Range

k=0.01: 0...20 µS/cm k=0.1: 0...200 µS/cm

Measurement Principle

Conductive conductivity sensor

Design

Two-electrode conductivity sensor; coaxial electrode arrangement; electropolished finish

Materials

Sensor body: PES Electrodes: Stainless steel 1.4571

Dimensions

Electrode diameter: 16 mm (0.62 inch)

Process Temperature

Max. 60°C Max. 140°F

Process Pressure

Max. 6 bar at 20°C (87 psi at 68°F)

Temperature Sensor

Optional Pt100

Connections

Process connection: NPT 1/2" Cable: 4-pin DIN connector (Pg9)

Protection Rating

IP65

Other Certificates

Quality certificate

E+H CLM223 Panel-Mounted Conductivity Transmitter Controller

Designed for continuous conductivity, resistivity, and concentration measurement in industrial water and process applications. Basic measurement unit can be easily retrofitted with optional fieldbus (HART/PROFIBUS), PID controllers, and extra limit relays. Integrated continuous Process Check System (PCS) and plausibility checks ensure live sensor diagnostics and customized alarm configuration.Compact 96x96 mm panel housing, intuitive two-line backlit display, and simple 2-point calibration.Works seamlessly with all standard analog conductive and inductive conductivity sensors.

Applications

Water, wastewater, process

Features

4-wire transmitter with dual-line display

Design

Panel-mount conductivity transmitter

Dimensions

96 x 96 mm; installation depth: 146 mm

Temperature sensor

Display and current output

Explosion-proof certification

No

Ingress protection

IP65

Input

Single-channel transmitter

Output

0/4...20 mA, HART, PROFIBUS

Other certifications

CSA General Certification

E+H Liquisys CLM253 Industrial Conductivity Transmitter

This universal conductivity measurement transmitter works seamlessly with all standard analog conductive and inductive conductivity sensors for precise liquid analysis. Durable PC/ABS field-mounted enclosure with IP65/NEMA 4X rating, designed for harsh industrial environments. Built-in Process Check System (PCS) with continuous sensor signal live checks and customized alarm configurations. Supports 0/4...20 mA active current output, HART protocol, and PROFIBUS DP/PA fieldbus integration.Features an intuitive two-line display and quick one-touch "CAL" button calibration for fast setup.

Measurement Principle

Conductivity

Applications

Water, wastewater, process

Features

4-wire transmitter with dual-line display

Design

Conductivity transmitter in a field-mount PC/ABS housing

Material

PC/ABS

Dimensions

247 x 170 x 115 mm

Temperature Sensor

Display and current output

Explosion-proof Certification

No

Ingress Protection

IP65

Input

Single-channel transmitter

Output

0/4...20 mA, HART, PROFIBUS

Other Certifications

CSA General Certification

E+H Liquiline M CM42 Ex-Approved Liquid Analysis Transmitter

The Liquiline CM42 Ex-Approved Liquid Analysis Transmitter is an advanced, high-precision industrial field instrument designed for continuous water quality and liquid analytical monitoring in hazardous explosive environments. Featuring certified ATEX/IECEx intrinsically safe design and cutting-edge Memosens® digital technology, it provides contact-free, interference-free signal transmission with flexible multi-parameter compatibility for pH, ORP, conductivity, and dissolved oxygen sensors.

Measurement Principle

ISFET Electrode

Applications

The Liquiline M CM42 is a modular two-wire transmitter suitable for use in all process applications.

Features

Rugged plastic and stainless steel housings are suitable for applications including: Chemical processes Pharmaceutical industry Food manufacturing Hazardous area applications

Measurement Principle

Connects to analog or Memosens digital sensors.

Design

Depending on the model ordered, the Liquiline M CM42 offers one or two analog current outputs, or can connect to fieldbuses (FOUNDATION Fieldbus, PROFIBUS PA, and HART).Liquiline designs in accordance with the IEC 61508 international safety standard.

Materials

Plastic or stainless steel housing with EPDM seals.

Dimensions

Plastic Housing: 144x144x159 mm Stainless Steel Housing: 174x174x145 mm

Temperature Sensor

Applicable: Pt100, Pt1000, NTC 30K

Explosion-proof Certifications

ATEX, FM, CSA, NEPSI, TIIS

Protection Rating

IP66 and IP67

Inputs

Single or dual-channel transmitter (with one reference connection)

Outputs

0/4...20 mA, HART, Profibus, FF Second output allowed

E+H Liquisys COM223 Industrial Panel-Mount Dissolved Oxygen Transmitter

The COM223 Dissolved Oxygen Transmitter is a compact, panel-mounted analyzer engineered for real-time water quality monitoring and process control. Featuring a 96x96 mm housing, automatic temperature compensation, continuous self-diagnostics, and versatile 4–20mA, HART, or Profibus signal outputs, it provides high-precision dissolved oxygen measurement for industrial wastewater treatment, aquaculture, and process water applications.

Measurement Principle

Dissolved Oxygen Sensor

Application

Water, Wastewater, Process

Features

Four-wire transmitter with two-line display

Design

Dissolved oxygen transmitter in panel-mount housing

Material

Panel-mount housing

Dimensions

96 mm × 96 mm × 146 mm (installation depth) 3.74 × 3.74 × 5.61 in (installation depth)

Temperature Sensor

Display and current output

Connection / Protection Rating

IP65

Input

Single-channel transmitter

Output

0/4...20 mA, HART, PROFIBUS

Other Certificates

CSA General Purpose Certification

E+H Oxymax COS61D Digital Optical Dissolved Oxygen Sensor

The COS61D Digital Optical Dissolved Oxygen Sensor utilizes advanced optical fluorescence quenching technology to provide precise, real-time, and drift-free DO monitoring in water and wastewater processes. Integrated with Memosens digital protocol, it offers plug-and-play convenience, chemical-free operation, and maximum measurement availability with virtually zero maintenance.

Measurement Principle

Optical oxygen measurement

Applications

Aeration basins, river monitoring, water treatment, fish farming.

Features

Digital optical (luminescence-based) dissolved oxygen measurement. No flow required; measurements can be performed in still water.

Measuring Range

0–20 mg/L 0%–200% SAT 0–400 hPa

Measuring Principle

Oxygen-sensitive molecules (luminophores) are integrated into an optically active layer (luminescent layer). The surface of the luminescent layer is in contact with the medium. The sensor optics are located directly beneath the luminescent layer and emit green light pulses toward it. The luminophores respond by emitting a deep-red fluorescence. The duration and intensity of the response signal are directly proportional to the oxygen concentration and oxygen partial pressure.

Design

Calibration parameters stored inside the sensor. High EMC protection.

Materials

Sensor body: Stainless steel 1.4571 (316Ti) Membrane cap: POM

Dimensions

Diameter: 40 mm (1.56 in) Length: 220 mm (8.58 in)

Process Temperature

-5 to 55°C (23 to 131°F)

Process Pressure

Max. 10 bar (145 psi)

Temperature Sensor

NTC temperature sensor, 0 to 50°C (32 to 122°F)

Connection

Process connection: G1" thread Cable connection: Fixed integral cable or TOP68 plug-in connector

E+H Oxymax COS41 Industrial Amperometric Dissolved Oxygen Sensor Probe

The COS41-2F Amperometric Dissolved Oxygen Sensor is a heavy-duty, high-precision online DO probe engineered for continuous dissolved oxygen monitoring in municipal wastewater, water treatment, aquaculture, and industrial process water. Designed with a robust POM body and a long-life membrane cap, it delivers ultra-stable measurement performance with minimal maintenance overhead.High-Precision Measurement: Wide measuring range from 0.05 to 20 mg/L (ppm) DO. Standard G1" thread process connection, integrated NTC temperature sensor, and TOP68 / fixed cable options for hassle-free installation.

Measurement Principle

Dissolved Oxygen Sensor

Applications

Aeration tanks, river water monitoring, water treatment, fish farms.

Features

Two-electrode dissolved oxygen sensor with membrane coating.

Measurement Range

0.05...20 mg/L

Measurement Principle

Sealed two-electrode sensor with membrane coating.

Design

- Ultra-stable membrane coating - Analog communication

Materials

Sensor body: POM; Membrane cap: POM

Dimensions

Diameter: 40 mm (1.56 inch); Length: 220 mm (8.85 inch)

Process Temperature

Maximum 50°C (122°F)

Process Pressure

Maximum 10 bar (145 psi)

Temperature Sensor

Built-in NTC sensor

Connection

Process connection: G1"; Cable: Solid cable or with TOP68 connector

E+H Orbipac CPF82 Industrial Analog Sensor Probe

Engineered for demanding process liquid monitoring, the Orbipac CPF82 Industrial Analog ORP Sensor provides continuous and high-accuracy redox measurement ranging from -1500 mV to +1500 mV in aggressive industrial water environments. Featuring a rugged PPS body, a dirt-repellent PTFE annular ring diaphragm, and a patented KNO3 double-chamber reference salt bridge, this heavy-duty sensor offers superior protection against severe electrode poisoning caused by sulfides and cyanides, effectively minimizing maintenance downtime in turbid, high-solids wastewater, mining, and chemical neutralization processes.

Measurement Principle

ORP electrode

Applications

Water, wastewater, process industries, electroplating

Key Features

Electrode poisoning resistance, anti-fouling gel electrode, NPT 3/4" process connection

Measuring Range

-1500 to +1500 mV

Measurement Principle Details

Compact gel electrode with double-chamber reference system, potassium nitrate KNO3 salt bridge electrolyte, PTFE diaphragm, and platinum pin

Design

Compact electrode integrated in a PPS housing with NPT 3/4" process connection

Materials

PPS, Glass, PTFE, Platinum

Dimensions

Length: 120 mm (4.68 inches)

Process Temperature

-10 to 110°C (14 to 230°F)

Process Pressure

Max. 10 bar (145 psi)

Electrical Connection

TOP68 plug connection

Ingress Protection

IP68

E+H Orbisint CPS11 Industrial Analog pH Sensor

The CPS11 industrial analog pH sensor is a high-performance glass electrode designed for continuous, high-precision pH measurement across challenging water treatment and chemical process applications. Featuring a wide measuring range from pH 0 to 14, an advanced dirt-repellent PTFE ring diaphragm, and a double-junction reference system, it effectively resists organic fouling, clogging, and toxic poisoning to deliver long-lasting operational stability. Built to withstand demanding operating environments, this heavy-duty probe performs reliably under continuous working pressures up to 16 bar (232 psi) and temperatures up to 135°C (274°F). The CPS11 holds international ATEX, FM, and CSA explosion-proof certifications, making it an ideal choice for both standard and hazardous industrial processes.

Measurement Principle

Glass electrode

Application

Standard applications in process and environmental technology. Long-term monitoring, processes with small fluctuations.

Characteristic

Robust heavy-duty / high-pressure design, integrated potential equalization, flat membrane available.

Measuring Range

pH 0 to 14

Measuring Principle

Gel compact electrode with PTFE ring diaphragm.

Design

Equipped with a temperature sensor across all sensor lengths Advanced gel technology Dirt-resistant PTFE diaphragm

Material

Glass, PTFE

Dimensions

Diameter: 12 mm (0.46 inch) Shaft length: 120, 225, 360, and 425 mm (4.68, 8.77, 14.04, and 16.57 inches)

Process Temperature

Max. 135 °C (274 °F)

Process Pressure

Max. 16 bar (230 psi)

Temperature Sensor

Optional built-in Pt100 or Pt1000

Ex Certification

Simple apparatus, non-certified.

Connection

TOP68 plug-in head

Ingress Protection

IP 68

Other Certificates

Biocompatibility compliant with ISO 10993-5 and USP (current version). TÜV certified for maximum pressure resistance up to 16 bar with triple overpressure safety.

E+H Memosens CPS11E Industrial Digital pH Sensor & Transmitter

Our Digital Glass pH Sensor is an industrial-grade, heavy-duty solution engineered for reliable pH measurement in challenging process conditions and environmental monitoring. Utilizing advanced Memosens digital non-contact signal technology, it completely eliminates signal interference caused by moisture, corrosion, and cable length issues.Equipped with a dirt-repellent PTFE ring diaphragm and integrated NTC 30K temperature sensor, this sensor delivers long-term stability, minimal maintenance, and plug-and-play pre-calibrated convenience for global system integrators and industrial plants.

Measurement principle

glass electrode

application

Long-term monitoring and limit control in processes with stable process conditions Water and wastewater treatment

Features

Digital pH electrode for standard applications in process and environmental technology with dirt-repellent PTFE ring junction and built-in temperature sensor

Measuring range

Application A • pH: 1 to 12 Application B • pH: 0 to 14 Application F • pH: 0 to 10

Measurement principle

Gel compact electrode with PTFE ring junction

design

All shaft lengths with temperature sensor Advanced gel technology

Material

Sensor shaft: Glass to suit process pH membrane glass: Type A, B, F Metal lead: Ag/AgCl Aperture: Ring-shaped PTFE junction O-ring: FKM Process coupling: PPS fiber-glass reinforced Nameplate: ceramic metal oxide

Overall dimensions

Diameter: 12 mm (0.47 inch) Shaft length: 120, 225, 360, and 425 mm (4.72, 8.86, 14.17, and 16.73 inch)

Process Temperature

Application A: –15 to 80 °C (5 to 176 °F) Application B: 0 to 135 °C (32 to 275 °F) Application F: 0 to 70 °C (32 to 158 °F)

Process Pressure

Applications A and B: 0.8 to 17 bar (11.6 to 246.5 psi) absolute Application F: 0.8 to 7 bar (11.6 to 101.5 psi) absolute

Temperature Sensor

NTC 30K

Explosion-proof Certification

With ATEX, IECEx, CSA C/US, NEPSI, Japan Ex, and INMETRO approvals for use in hazardous areas Zone 0, Zone 1, and Zone 2

Connectivity

Inductive digital connection head with Memosens 2.0 technology

Protection Rating

IP68

Other Certificates

Other Certificates

E+H CPS12E Digital ORP Redox Sensor

The CPS12E is a heavy-duty digital ORP sensor powered by advanced Memosens 2.0 technology, specifically engineered for robust oxidation-reduction potential monitoring in harsh chemical processes and industrial wastewater treatment. Featuring a contactless inductive connection head, a dirt-repellent PTFE ring diaphragm, and a long poisoning diffusion path, it guarantees 100% moisture-proof signal reliability and exceptional service life under extreme pressure and temperature conditions up to 17 bar and 135°C. With integrated memory for predictive diagnostics and global hazardous area certifications including ATEX and IECEx, the CPS12E streamlines maintenance procedures and maximizes process uptime.

Measurement principle

ORP electrode

application

Long-term monitoring and limit control in processes with stable process conditions water treatment

Features

Digital ORP sensor for standard applications in process technology and environmental engineering with dirt-repellent PTFE junction and integrated temperature sensor

Measuring range

-1500 mV to +1500 mV

Measurement principle

Gel compact electrode with teflon junction and double gel reference Measuring part as gold-pin or platinum ring

design

All shaft lengths with temperature sensor Advanced gel technology

Material

Sensor shaft: Glass to suit process ORP measuring element: Platinum or gold Metal lead: Ag/AgCl Aperture: Ring-shaped PTFE junction O-ring: FKM Process coupling: PPS fiber-glass reinforced Nameplate: ceramic metal oxide

Overall dimensions

Diameter: 12 mm (0.47 inch) Shaft lengths: 120, 225 and 360 mm(4.72, 8.86 and 14.17 inch)

Process Temperature

-15 to 135 °C(5 to 275 °F)

Process Pressure

0.8 to 17 bar (11.6 to 246.5 psi) absolute

Temperature Sensor

NTC 30K

Explosion-proof Certifications

With ATEX, IECEx, CSA C/US, NEPSI, Japan Ex and INMETRO approvals for use in hazardous areas Zone 0, Zone 1 and Zone 2

Connectivity

Inductive, digital connection head with Memosens 2.0 technology

Protection Rating

IP68

E+H Turbimax CUS52D Digital Turbidity Sensor

The CUS52D Digital Turbidity Sensor delivers real-time, laboratory-grade accuracy for online drinking water quality monitoring and industrial process water treatment. Operating on the ISO 7027 90° scattered light principle, it features a hygienic, zero-product-loss inline design that installs directly into pipelines without requiring costly bypass lines. Equipped with smart Memosens digital technology, fast dynamic response (<1s), and liquid-free solid-state calibration standards, it significantly reduces maintenance costs and ensures long-term operational stability.

Measurement Principle

Single-beam scattered light

Applications

Turbidity measurement in: Drinking and process water, Saline water, Utilities of all industries

Installation

Inline installation, sensor with clamp, flow cell, sensor with clamp, retractables, straight sensor, immersion in open channels

Design

40 mm sensor

Dimensions

40 mm design, hygienic clamp-version, 320 x 40 mm

Material

Stainless steel version: 1.4404 Plastic version: sensor head: PEEK, shaft: PPS Optical windows: sapphire O-rings: EPDM

Measurement Range

0.000 to 4000 FNU

Process Pressure

Stainless steel version: 0.5 to 10 bar abs (7.3 to 145 psi abs) Plastic version: 0.5 to 6 bar abs (7.3 to 87 psi) (abs)

Protection Rating

IP68

Output

Memosens

E+H Turbimax CUS71D Smart Ultrasonic Sludge Level Sensor

Engineered for precise continuous monitoring in municipal and industrial wastewater treatment, the CUS71D Smart Ultrasonic Sludge Level Sensor delivers highly accurate, real-time interface and sludge blanket measurement up to 10 meters. Featuring robust IP68 submersible construction, digital Memosens signal technology for noise-free transmission, and an optional automatic wiper system to eliminate biofouling, this sensor optimizes sludge pumping schedules, prevents solid carryover, and ensures uninterrupted, low-maintenance operation in settling tanks, clarifiers, and thickeners worldwide.

Measurement Principle

Ultrasonic Sensor

Application

Continuous interface measurement in settling tanks

Installation

Immersion sensor with integrated cable

Measurement Range

0.3...10 m

Measurement Principle

Ultrasonic time-of-flight method

Material

ABS Epoxy

Dimensions

Diameter: 73.3 mm Standard sensor length: 68.8 mm Scraper sensor length: 135.5 mm

Process Temperature

0...50°C

Process Pressure

0...6 bar

Temperature Sensor

0...50°C

Explosion-proof Certification

No

Connection

15 m integrated cable

Protection Rating

IP68

Output

Digital output, connects to Liquiline CM44x

Other Certifications

CE

E+H Memosens CYK10 Digital Measuring Cable for pH/ORP/DO Sensors

The CYK10 Memosens digital measuring cable provides reliable non-contact signal transmission between digital liquid analysis sensors and transmitters, eliminating moisture interference and corrosion while ensuring seamless data accuracy in harsh water treatment and process automation environments.

Measurement Principle

Glass electrode

Applications

Measurement cable, non-contact inductive digital transmission of measurement signals

Installation

Inductive Memosens connector and terminal block, or M12 plug, to connect the transmitter.

Features

Inductive digital measurement signal and energy transmission.Unaffected by moisture, EMC magnetic fields, and corrosion.

Measurement Range

No high-impedance cable required.

Design

Simple operating latch; easy connection to Memosens digital sensor and plug. No open contacts; moisture resistant.

Material

PEEK

Dimensions

Diameter: 6.3 mm / 0.25" Wire: Twisted Pair Length: Approx. 100 m / 328 ft

Process Temperature

-20...135°C

Process Pressure

Maximum 50 bar (725 psi), at 135 °C (275 °F)

Temperature Sensor

Digital sensor with inductive connector, with and without temperature sensor.

Explosion-proof Certification

ATEX II 1G Ex ia IIC T3/T4/T6 FM, CSA IS Cl.1 Div 1 Gr. A-D ATEX, NEPSI II 3G Ex nL IIC TIIS

Protection Rating

IP68

E+H Liquisys CPM253 Industrial pH/ORP Transmitter & Controller

The CPM253 is a high-performance 4-wire field transmitter designed for continuous pH and ORP (Redox) measurement in liquid analysis. It supports both traditional analog and smart digital Memosens sensors. Featuring a continuous Sensor Check System (SCS), Chemoclean automatic cleaning control, and modular plug-and-play expansions (HART / PROFIBUS / Relays), the CPM253 ensures maximum operational safety, reduced downtime, and precision monitoring for industrial water treatment and process industries.

Measurement Principle

Glass electrode

Applications

Water, wastewater, process

Features

Four-wire transmitter

Design

pH/ORP field-mounted PC/ABS housing

Material

PC/ABS housing

Dimensions

247x170x115mm (9.63x6.63x4.48inch)

Temperature sensor

Display and current output

Explosion-proof certification

No

Protection class

No

Input

Single-channel transmitter

Output

0/4...20 mA, HART, Profibus

Other certifications

CSA general certification

E+H Liquisys CPM223 Industrial Panel-Mount pH/ORP Transmitter

The CPM223-MR0005 is a high-performance panel-mounted pH/ORP transmitter designed for continuous liquid analysis and precise dosing control in demanding industrial water treatment and chemical processes, supporting both traditional analog and digital smart sensors with 230V AC power supply, real-time sensor diagnostics, and active 4-20mA signal transmission.

Measuring Principle

Glass electrode

Applications

Water, wastewater, industrial processes

Characteristics

4-wire transmitter with a 2-line display

Design

pH/ORP transmitter housed in a panel-mount enclosure (96 x 96 mm)

Material

Panel-mount housing

Dimensions

96 mm x 96 mm x 146 mm (installation depth) / 3.74" x 3.74" x 5.61" (installation depth)

Temperature Sensor

Display and current output

Explosion Proof Certificate

No

Degree of Protection

IP65

Input

Single-channel transmitter

Output

0/4...20 mA, HART, PROFIBUS

Other Certificates

CSA General Purpose

E+H Turbimax CUS51D Digital Turbidity and Suspended Solids (TSS) Sensor

Designed for demanding industrial and wastewater environments, this high-precision digital optical sensor utilizes standard 90° scattered light and 4-beam alternating light technology to deliver wide-range, drift-free real-time measurement of turbidity and total suspended solids (TSS). Featuring a smart RS485 Modbus RTU interface for immune-to-interference long-distance digital signal transmission, an integrated compressed air auto-cleaning system to prevent optical fouling in harsh media, and factory multi-point pre-calibration, it provides an IP68 submersible, low-maintenance solution housed in durable 316L Stainless Steel or Titanium with scratch-resistant sapphire glass windows.

Measurement Principle

Four-beam alternating light

Applications

Wastewater, process water, and primary water treatment applications. Turbidity and suspended solids measurement at all stages of the wastewater treatment process and at primary water treatment applications with medium to high turbidities.

Installation

Insitu (immersion in process or retractable holder), extractive with sample and flow cell.

Design

40 mm sensor, stainless steel

Dimensions

194 mm x 40 mm

Material

Stainless steel 316L

Measurement Range

For formazine: 0 to 4000 FNU; Display range up to 9999 FNU; For sludge: 0 to 300 g/L; The achievable measuring range depends very much on the medium.

Connection

G1, NPT3/4"

Protection Rating

IP68 (1 m / 3.3 ft) water column with 1N KCl during 60 days.

E+H Liquiline CM442 Multi-Parameter Liquid Analysis Transmitter

The Liquiline CM442 is a high-performance digital multi-parameter transmitter designed for continuous liquid analysis and process monitoring. Supporting Memosens technology with plug-and-play digital sensor integration, this 1-/2-channel controller simplifies water quality management across wastewater, chemical processing, food & beverage, and power utilities.Automatic detection and hot-plugging of pre-calibrated Memosens sensors (pH, ORP, Conductivity, Dissolved Oxygen, Turbidity). Equipped with dual 0/4...20mA current outputs with HART protocol for seamless DCS system integration.IP67 robust enclosure rated for harsh field environments.

Measurement Principle

Glass electrode

Applications

Modular four-wire controller; Multi-channel: 1 to 2 digital channels for connecting Memosens sensors; Multiple parameters: pH, ORP, ISFET, inductive and conductive conductivity, dissolved oxygen, nitrate, and turbidity; Allows simultaneous connection of any two sensors; Expandable functionality at any time; Plug and play modules and sensors.

Features

Rugged and durable plastic housing; Suitable for all non-explosion-proof applications.

Design

2 Memosens inputs; 2...4 current outputs; Alarm relays; 2 relays; SD card for software upgrades, copying and pasting settings.

Material

Plastic (polycarbonate)

Dimensions

237 (9.33) x 194 (7.64) x 162 (6.38) mm (inch)

Process Temperature

-20...60°C / 0...140°F

Protection Rating

IP67

Inputs

1...2 Memosens digital inputs 2 0/4...20mA inputs (optional) 2 digital inputs (optional)

Outputs

2...4 0/4...20 mA current outputs Alarm Relays 2 Relays ProfibusDP Modbus RS485 Modbus TCP Ethernet

Other Certifications

EAC, cCSAus, MCERTS