2-Wire pH and Conductivity Measurement

Endress+Hauser’s new loop-powered Liquiline M for pH or conductivity measurement is so easy to use! It features a large plain text display showing the measured value in figures 28mm high for easy reading and with step by step menu-driven operation, user error is virtually eliminated.

The key to the simplified operation is the new 'navigator’ button - a twisting dial with an integrated 'enter’ key. Parameter setting, servicing, diagnosis and predictive maintenance are in plain text format, eliminating the need to carry bulky operating instructions!

Designed with process safety in mind, the Liquiline M offers predictive maintenance functions for immediate error signalling in case of loss of functions via an output and red LED alarm. The modular construction of Liquiline M allows users to structure the device according to their needs, allowing a single transmitter to be used for either pH or conductivity measurement!

Liquiline M is available with either a corrosion-resistant robust plastic housing or stainless steel housing. It is suitable for both plant use and for integration into panels and can be used in both safe and hazardous areas for maximum versatility.

For maximum versatility, Liquiline M is available as either a digital or analogue transmitter. Liquiline M is designed for all standard bus systems such as HART, Profibus or Foundation Fieldbus for simple integration into both new and existing systems. When used in combination with Memosens technology, sensor specific data is automatically transported between sensor and transmitter. Critical data (e.g. calibration data, sensor limits) is also stored in the transmitter. This means simple commissioning and maintenance with pre-calibrated sensors.

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