pH Sensors utilize digital technology.

Press Release Summary:




Memosens offer pH measuring point with galvanic isolation. Inductive signal transmission from cable coupling to sensor plug-in head is insensitive to moisture and soiling. It maximizes process safety by digitalizing measured values from sensor to cable via completely sealed-in coils. In case signal flow is interrupted, automatic error messages alert personnel immediately. Integrated electronics can save calibration data and other pertinent information.



Original Press Release:



Revoluntionary Digital pH Sensors Announced!



Accuracy is Guaranteed With the New Memosens Digital Technology

November 12, 2004, Greenwood, Indiana - Endress+Hauser, Inc. announces a revolution in pH technology, Memosens digital pH sensors. These unique digital sensors are the first on the market today and offer a simply safe, reliable, informative, and user-friendly alternative to the problematic analog sensors of yesterday. The launch of Endress+Hauser's innovative Memosens digital pH sensors sets new standards of accuracy and reliability in pH measurement.

Simply Safe: Memosens eliminates the causes of all problems in sensor plug-in technology. These digital sensors offer the first pH measuring point with real galvanic isolation. The inductive signal transmission from cable coupling to sensor plug-in head is absolutely insensitive to moisture and soiling and guarantees correct measured values even if connected underwater! By digitalizing measured values from sensor to cable via completely sealed-in coils, maximum process safety is achieved.

Simply Reliable: Memosens with its safe connector system enabling inductive data transmission eliminates measuring accuracy problems based on the following: corrosion, contacting problems, salt bridges, moisture, leakages, high impedance connection, and ground loops. In the event the signal flow is interrupted, safety of the data is protected through the digital data transmission by automatic error messages alerting personnel immediately.

Simply Informative: Sensors with Memosens technology have integrated electronics that allow the ability to save calibration data and further information such as hours of operation, minimum and maximum pH values, and minimum and maximum temperature. When the sensor is mounted, the calibration data is automatically transferred to the transmitter and used to calculate the current pH value. The data is thus available where it is needed. Data traceability and history documentation is facilitated, and the use of data for the determination of maintenance intervals is also possible.

Simply User-Friendly: The digital pH sensors can be calibrated under optimum external conditions in the measuring lab, which promotes easy handling. Wind and water do not affect the calibration quality or the operator. The measuring point availability is dramatically increased by the quick and easy replacement of precalibrated sensors. The sensors identify themselves within the application so that each measuring point recognises its individual sensor. Measuring point down-time is dramatically reduced which is especially important for sensitive processes. The transmitter does not need to be installed close to the measuring point but can be placed in the control room.

These revolutionary digital sensors also offer cost saving potential. Sensors that had to be thrown away in the past can now be checked and regenerated, e.g. by suitable cleaning, under optimum conditions in the laboratory, considerably increasing sensor lifetime in the process.

Memosens sensors are available for hazardous and non-hazardous areas. They comply with all common standards such as EHEDG, 3A, 21 CFR 11, SIL2, CE, ATEX, FM, FDA, etc.

For more information on Memosens, visit the Endress+Hauser, Inc. website, www.us.endress.com, or contact us toll-free at 888-ENDRESS.

About Endress+Hauser
Endress+Hauser, Inc. is a global supplier of process automation solutions. Its products are excellent in both performance and price; the services are ground-breaking. Both aid customers' competitiveness with a maximum of quality, safety and efficiency. Endress+Hauser, Inc. stands for continuity, industry know-how and long-term customer relationships.

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