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ndress+Hauser Liquiline M CM42 Single-Channel Liquid Analysis Transmitter CM42 pH/ORP/Conductivity/Dissolved Oxygen TransmitterEndress+Hauser

The Endress+Hauser Liquiline M CM42 is a compact single-channel two-wire transmitter for liquid analytical measurement.
It supports Memosens digital and conventional analog sensors to monitor pH, ORP, conductivity and dissolved oxygen.
Equipped with optional HART, Profibus PA or FF fieldbus communication, the CM42 features IP66/IP67 enclosure and optional explosion-proof certification.
Stable and easy for on-site calibration and maintenance, it is widely applied in water treatment, chemical, food & beverage and pharmaceutical industries.

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Whatsapp : +86 17391983629‬

Email : Jayna@xinyiyb.com

Product Description

The Endress+Hauser Liquiline M CM42 is a high-performance, single-channel two-wire process transmitter designed for continuous and accurate liquid analytical measurement in complex industrial environments. As a core product of E+H mature Liquiline platform, it integrates stable measurement technology, flexible system compatibility and convenient operation maintenance, fully meeting the online monitoring demands of pH/ORP, conductivity and dissolved oxygen in various process industries.

Supporting both Memosens digital sensors and traditional analog sensors, the CM42 transmitter realizes plug-and-play measurement of multiple liquid parameters. The built-in automatic sensor recognition function can quickly identify matched sensors and complete parameter configuration, effectively reducing on-site commissioning difficulty. It supports free switching of measurement parameters according to working conditions, delivering strong adaptability for diverse industrial measurement scenarios.

In terms of signal transmission and system integration, the CM42 offers diversified communication options including 4-20mA analog output, HART, PROFIBUS PA and FOUNDATION Fieldbus, enabling seamless connection with various industrial control systems such as PLC and DCS. The standard two-wire design simplifies on-site wiring construction, saves engineering costs, and features strong anti-interference ability to ensure long-term stable signal transmission in harsh industrial electromagnetic environments.

Built for rigorous industrial scenarios, the transmitter features IP66/IP67 high-protection enclosure, which is dust-tight and water-proof, suitable for outdoor and on-site process installation. It holds multiple international authoritative certifications including ATEX, IECEx, FM, CSA and NEPSI explosion-proof approval, supporting safe operation in hazardous explosive areas. Meanwhile, it adapts to hygienic production standards, perfectly applicable to sanitary-grade production scenarios in food, beverage and pharmaceutical industries.

The CM42 adopts an intuitive human-machine interaction design, with a clear display screen and simplified navigation menu, allowing operators to complete calibration, parameter setting, data viewing and fault diagnosis efficiently. Equipped with Bluetooth connection and compatible with E+H SmartBlue App, it supports remote wireless viewing of measuring point data, parameter adjustment and equipment maintenance management, greatly improving on-site operation efficiency and reducing manual maintenance costs. In addition, the built-in Heartbeat Technology realizes real-time equipment self-diagnosis, timely early warning of sensor aging, equipment failure and abnormal working conditions, ensuring high availability of measuring points and reducing unplanned downtime.

With modular design, compact structure and excellent long-term operating stability, the Endress+Hauser CM42 transmitter requires low daily maintenance and has wide application coverage. It is widely used in core industries such as municipal & industrial water treatment, chemical processing, oil & gas, food & beverage, pharmaceutical and life science, serving as a reliable and cost-effective core device for online liquid analytical monitoring.

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Pressure Transmitters for Industrial Pressure Measurement

Name: ndress+Hauser Liquiline M CM42 Single-Channel Liquid Analysis Transmitter CM42 pH/ORP/Conductivity/Dissolved Oxygen TransmitterEndress+Hauser
SKU: -1

Xinyi Instrument supplies pressure transmitters for process control, hydraulic systems, petrochemical plants, water treatment, HVAC, power generation and general industrial pressure monitoring. Our pressure transmitter range covers gauge pressure, absolute pressure, differential pressure, high temperature media and digital communication applications.

Choose from compact pressure transmitters, smart 3051 differential pressure transmitters, diaphragm seal models, RS485 digital pressure transmitters and high frequency dynamic pressure sensors. Standard outputs include 4-20 mA, voltage output, HART and RS485 Modbus options, with stainless steel wetted parts and custom process connections available on request.

Pressure Transmitter Parameters

Pressure Types	Gauge, absolute, negative pressure, differential pressure
Measuring Range	From low differential pressure to high pressure ranges up to 100 MPa, depending on model
Output Signals	4-20 mA, 0-5 V, 1-5 V, 0-10 V, RS485 Modbus, HART options
Accuracy	Typical options include 0.1%, 0.2%, 0.25% and 0.5% FS
Process Connection	M20 x 1.5, G1/4, G1/2, NPT and customized thread connections
Wetted Materials	Stainless steel, 316L diaphragm and corrosion-resistant sealing options
Media	Water, oil, gas, air, steam and compatible liquid or gas media
Applications	Pipeline pressure, tank level, flow differential pressure, hydraulic pressure and automation systems

Recommended Pressure Transmitter Series

Xinyi YW-150 - differential pressure transmitter for stable industrial measurement.
Xinyi YW-3051DP - smart differential pressure transmitter for process control.
Xinyi YW-130 / YW-140 - compact pressure transmitters for general pressure monitoring.
RS485 Digital Pressure Transmitter - Modbus communication for remote monitoring systems.
High Temperature Pressure Transmitter - designed for hot media and demanding process conditions.
Siemens, Yokogawa and ABB Options - international brand transmitters available for project matching.

Pressure Transmitter FAQ

What is a pressure transmitter used for?

A pressure transmitter converts the pressure of liquid, gas or steam into a standard electrical signal for PLC, DCS, recorder or control instrument input. It is widely used for pipeline pressure, tank level, flow measurement and process safety monitoring.

How do I choose the right pressure transmitter?

Confirm the pressure range, pressure type, medium, temperature, output signal, accuracy, installation thread, electrical connection and environmental requirements. For corrosive media, high temperature or sanitary applications, diaphragm material and sealing structure are especially important.

What is the difference between gauge, absolute and differential pressure transmitters?

Gauge pressure transmitters measure pressure relative to atmospheric pressure. Absolute pressure transmitters measure pressure relative to vacuum. Differential pressure transmitters measure the pressure difference between two points and are commonly used for flow, filter and level measurement.

Can Xinyi Instrument provide customized pressure transmitters?

Yes. Xinyi Instrument can support customized pressure ranges, process connections, output signals, cable length, display options and model selection for different industrial applications.