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SA Instrumentation & Control Buyers' Guide


Wide process analysis portfolio for water applications
May 2017, Analytical Instrumentation & Environmental Monitoring

Since potable water has become a valuable resource, all stages of water treatment must be monitored effectively and reliably. Applications such as quality monitoring in waterworks and distribution networks, filter monitoring and disinfection control, use analytical sensors and systems in order to automate the process control.

Krohne is a supplier for process instrumentation as well as for (inline) analytical sensors and systems. The Smartpart series is the most recent innovation for easy handling of analytical sensors: Smartpart pH/ORP and conductivity sensors feature an integrated transmitter for direct 4-20 mA/HART 7 connection to the process control system and allows for calibration either online (in the field) or offline (in a controlled laboratory environment).

Matching accessories such as buffer solutions, junction boxes, loop powered indicators or operating units, together with mounting assemblies round out the portfolio of process analytical sensors. With the Optisens series, Krohne offers the same sensor types for use with an external transmitter e.g. for existing installations. The product line also features measuring systems for water applications: Optisys CL 1100 is a potentiostatic disinfectant measuring system for free chlorine, chlorine dioxide and ozone. It is to be used in bypass lines and comes readily mounted, pre-installed and tested with 3 x 4-20 mA outputs, chlorine sensor, valves, flow-through holders and optional pH sensor.

Optisys TUR 1050 is an optical turbidity measuring system for potable water applications with cost-effective cuvette calibration and an automatic ultrasonic cleaning system. It offers multiple communication options, including 4-wire, 4-20 mA, two alarm relays, or Modbus via RS-485. It is suitable for use in bypass lines in a range of 0-100 NTU/FNU (optional: 1000 NTU/FNU).

For more information contact Nirisha Harinarain, Krohne SA, +27 (0)11 314 1391,,

Supplied By: Krohne
Tel: +27 11 314 1391
Fax: +27 11 314 1681/1693
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