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The Liquiline M CM442 multi-parameter analytical transmitter with Memosens digital sensors from Endress and Hauser is said to reduce inventory and stock handling and minimise costs.

The CM442 retains technology familiar to users of the company’s previous Liquiline M transmitters, such as user-friendly operation, easy-to-read display and robust housings.

In addition, the transmitter has the additional advantage of being suitable for use with pH, ORP, conductivity, DO, turbidity and nitrate sensors.

The Liquiline/Memosens system is available in its most basic form as a two-sensor input, single alarm relay safe area solution, but users can easily expand the system with additional inputs and alarms.

Endress and Hauser said standardisation and uniformity are also key strengths of the Liquiline systems.

Achieved by implementing the digital Memosens protocol into the fixed cable sensors, all sensors now use the same standardised protocol for total data and mechanical interface compatibility and increased process safety.

When used together, any combination of different types of digital sensors, cables, holders and assemblies results in a measurement solution tailored to the user’s requirements.

This modular concept means that Endress and Hauser devices are easily adapted to different applications and requirements, giving more flexibility across the plant.

Based on Memosens digital technology, all sensors can be pre-calibrated under laboratory conditions.

Featuring automatic sensor recognition, commissioning and maintenance tasks are simplified – both sensor and electronics replacement is said to be quick and easy, maximising operational capacity.

In addition, if there is a problem with a process, Liquiline will notify users immediately via its automated alarm signal and red display.

Process interruptions are minimised through the clear failure description and menu-guided instructions.


Endress+Hauser is a global leader in measurement instrumentation, services and solutions for industrial process engineering. With over 8,000 employees worldwide, the Group generates annual net sales of more than Euro1.1 billion.

The Endress+Hauser Group

Endress+Hauser is a global leader in measurement instrumentation, services and solutions for industrial process engineering. The Group employs 13,000 personnel across the globe, generating net sales of more than 2.1 billion euros in 2015.
With dedicated sales centres and a strong network of partners, Endress+Hauser guarantees competent worldwide support. Production centers in 11 countries meet customers’ needs and requirements quickly and effectively. The Group is managed and coordinated by a holding company in Reinach, Switzerland, with UK headquarters in Manchester. As a successful family-owned business, Endress+Hauser is set for continued independence and self-reliance.
Endress+Hauser provides sensors, instruments, systems and services for level, flow, pressure and temperature measurement as well as analytics and data acquisition. The company supports customers with automation engineering, logistics and IT services and solutions. Our products set standards in quality and technology.
We work closely with the chemical, petrochemical, food & beverage, oil & gas, water & wastewater, power & energy, life science, primaries & metal, renewable energies, pulp & paper and shipbuilding industries. Endress+Hauser supports its customers in optimising their processes in terms of reliability, safety, economic efficiency and environmental impact.
Founded in 1953 by Georg H Endress and Ludwig Hauser, Endress+Hauser has been solely owned by the Endress family since 1975. The Group has developed from a specialist in level measurement to a provider of complete solutions for industrial measuring technology and automation, with constant expansion into new territories and markets.

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