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Two new liquid analysers added

NEW TECHNOLOGIES This new solution also facilitates connection to the cloud and an industrial Internet of Things environment for improved field maintenance.

NEW PRODUCTS Liquid analysers comprising a sensor and a transmitter with a data conversion function are ideal for petrochemicals and chemicals industries

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8th March 2019

     

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South Africa-based company Yokogawa has added two new solutions to the Opre analyser family with the development of the FLXA402 four-wire liquid analyser and the SA11 smart adaptor.

These two new liquid analysis products will be offered as part of the Sencom 4.0 series. It is expected that they will help to improve the efficiency of calibration and other maintenance tasks, and facilitate the flexible design and operation of liquid analysis data monitoring systems.

Yokogawa states that liquid analysers comprise a sensor and a transmitter with a data conversion function, and are used to monitor items such as the quality of raw materials and finished products, and water quality in the wastewater treatment process.

These are used in a range of industries including power, water supply, municipal and industrial wastewater treatment, semiconductors, food, pharmaceuticals, iron and steel, pulp and paper, oil, petrochemicals and chemicals.

The two basic types of transmitters are four-wire devices with separate cables for power supply and output and two-wire devices that use the same cable for power supply and output, and Yokogawa supplies both. Yokogawa’s four-wire transmitters are typically used for specific applications such as pH measurement, and its FLXA21 and FLXA202 two-wire transmitters can flexibly accommodate multiple sensors of the four basic types: pH/ORP, conductivity, inductive conductivity and dissolved oxygen.

Although the FLXA402 is a four-wire system, it can connect to multiple sensors, perform diagnostics, and communicate digitally with host systems.

In liquid analyser applications, Yokogawa explains that there is a need for data monitoring systems comprising integrated sensors and transmitters that are capable of transmitting data directly to a control system, recorder, indicator, or a hand-held device such as a tablet.

Although such integrated devices are able to store data that is needed for calibration and other maintenance tasks, the entire unit needs to be replaced when sensor damage or fouling occurs, owing to exposure to liquids.

To reduce maintenance costs, Yokogawa has developed the SA11 smart adaptor, which also functions as a transmitter. As only the sensor needs to be replaced, this significantly reduces maintenance costs and eliminates waste.

Meanwhile, Yokogawa’s new products includes the FLXA402 four-wire liquid analyser, SA11 SENCOM smart adaptor, and pH and ORP sensors that are dedicated for use with the SA11. There is also a new peripheral device: the BA11 junction box.

FLXA402 four-wire liquid analysers have reduced cost and footprint, and the instrument can work with existing analog sensors – pH/ORP, conductivity, inductive conductivity, and dissolved oxygen; optical dissolved oxygen sensors; and the SA11 SENCOM smart adaptor and its dedicated sensors. By using it in combination with the adaptor and the BA11 junction box, it is possible to connect up to five sensors, reducing both system cost and footprint.

For the transfer of diagnostic data and other device information to a host system, the device supports the HART and Modbus protocols. This solution also facilitates connection to the cloud and an industrial Internet of Things environment for improved field maintenance.

The SA11 SENCOM smart adaptor is a simple but flexible system configuration. The adaptor has functions for data conversion, transmission, calibration and diagnosis, and is intended for use with dedicated sensors. It supports the Modbus communications protocol. Using the adaptor, it is easy to set up a system that can perform data monitoring, calibration, setting and adjustment.

The SA11 is able to store sensor calibration data and other types of digital information, it can be transferred to a laboratory or another location that is safer and has better working conditions.

Edited by Creamer Media Reporter

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