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Endress and Hauser has introduced the Liquiline CM442, a four-wire, two-parameter transmitter for analytical sensing applications.

The Liquiline transmitter accepts data from two sensors and measures any combination of various parameters, including but not limited to turbidity/suspended solids, nitrate, SAC (UV254), ISE, dissolved oxygen, pH/ORP, chlorine, concentration and conductivity.

Instead of using two single-parameter transmitters to measure two process variables, users can employ a single Liquiline, saving costs and space.

The CM442 Liquiline transmitter accepts any two Memosens sensor inputs, each with true hot plug-and-play capabilities via a digital interface link.

This allows users to interchange sensors at will with immediate sensor recognition.

Users can quickly and easily remove and replace each sensor for calibration and diagnostic purposes.

For example, if data from any sensor is questionable, it can be replaced with a pre-calibrated sensor and then recalibrated and tested in an environmentally controlled location, such as a laboratory.

Data stored in each Memosens sensor is automatically recognised via the Liquiline hot plug-and-play feature and simple rapid mechanical installation is provided via an optional M12 connector.

The digital interface link between the Liquiline transmitter and each Memosens sensor allows high-speed two-way communication of various parameters, including measured variable calibration data, sensor diagnostic data and sensor recognition data.

The Liquiline is powered by 100-230V AC 50/60Hz, 24V AC 50/60Hz, or 24V DC.

It conforms to Type 4X (IP66/IP67) and is NRTL certified for conformance to UL standard 61010-1 for installation in appropriate environments.

It also has a single alarm output, two 4-20mA analogue outputs and a backlit display.

Liquiline transmitters can be upgraded to include features such as additional sensors and outputs – or communication options including Profibus, Foundation Fieldbus or Ethernet.

An SD card is provided to transfer setup and other data from one Liquiline transmitter to another.

This feature allows quick transmitter change out in the event of a problem, and it also allows multiple Liquiline transmitters to manually share programming data from a master transmitter.

In addition, the SD card provides a convenient means to store and transfer data collected by the transmitter to a PC.

In addition to its existing portfolio of Memosens analytical sensors, Endress and Hauser has also launched four IP68-rated Memosens analytical sensors.

Like all Memosens sensors, each is plug-and-play compatible with the Liquiline M CM442.

Oxymax COS61D is an Optical Dissolved Oxygen sensor based on the luminescence principle of fluorescence quenching and has a measuring range of 0-20mg/l (20ppm).

Indumax CLS50D is a non-contacting inductive conductivity sensor based on the toroidal principle of electrodeless conductivity and is capable of measuring from 2uS/cm to 2,000mS/cm.

Turbimax CUS51D is a turbidity/suspended solids sensor that uses three different measuring principles for optimal adaptation to a range of applications.

The CUS51D is capable of measuring 0-9,999NTU/0-150 g/L, with the measuring principle being determined automatically (90-, 135- or four-beam pulsed light) to assure optimal adaptation to the user-selected application.

The Viomax CAS51D photometric sensor uses the principle of UV absorption for concentration measurement and is available with measuring ranges of 0.1 to 50mg/l, or 0.01 to 20mg/l NO3-N.

The sensor is easy to maintain, field serviceable and does not require routine maintenance.

A single Liquiline can replace two single-parameter transmitters in applications where measurement of two analytical variables is required.

Endress+Hauser

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.
Structure
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.
Products
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.
Industries
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.
History
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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