Tools Cut Process Costs in Water Treatment Plants

Burkert's new Type 8619 Multicell transmitter/controller is designed to cut processing costs in water treatment and hygienic processing applications. They provide one device for the direct connection of a range of sensors to measure parameters such as flow rate, pH, ORP, temperature and conductivity. The Multicell multichannel transmitter/controller fits a standard 1/4 DIN cutout to provide an IP65 fascia. It is a versatile analysis measuring system for areas of application such as water treatment, foodstuffs and pharmaceuticals.

It comprises a fully featured basic modular unit equipped with a large backlit display, softkey controls, two digital and frequency inputs, direct connections for various sensor types and two digital and analogue outputs that drive solenoid valves, control valves and actuators, such as dosing pumps. The high level of functionality included in the basic Multicell unit can be expanded easily by adding hardware and software modules. Depending on signal requirements, up to six preconfigured I/O boards can be added and software packages can be installed to further enhance the transmitter functions.

In addition, the Multicell can be configured as a Multipoint data logger with data storage on SD cards. The advantage of this modular expansion facility is that Multicell users only pay for the features they actually require. Since the Multicell provides a single transmitter across a range of applications, inventory and training costs are both minimised. The multi-channel Multicell is suitable for a range of applications in water treatment, including cooling towers; drinking-water monitoring; the production and monitoring of ultra-pure water; verifying the water quality in desalination processes of reverse-osmosis plants, using pH, conductivity and flow sensors; and in bio reactors, where pH, ORP and temperature measurements and control are requested.

In hygienic processing, Multicell is suited to clean-in-place applications that require the direct connection of pH, ORP and temperature sensors, as well as analogue outputs for process monitoring. In this, and in all applications for which the Multicell is designed, the built-in menu navigation remains transparent, intuitive and tolerant to operators' mistakes, with values only accepted following a confirmation input.

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