Rail-mounted measuring device

April 2009 Analytical Instrumentation & Environmental Monitoring

The JUMO ecoTrans pH03, available from ASSTech, is a rail-mounted transmitter for pH and Redox (ORP) monitoring with temperature compensation.

Depending on the configuration the instrument measures and regulates the pH-value or Redox voltage in aqueous solutions. Typical applications are in general water and wastewater management, measurement of drinking water, process water, surface and sea water, swimming pools, well water and aquariums.

The transmitter has two analog inputs. The primary input is for connection of a pH or Redox electrode. pH or Redox sensors with an isolated reference electrode can also be connected, as well as antimony electrodes. The second input is for connection of an RTD temperature probe, Pt100 or Pt1000, for temperature compensation.

The units are available with two analog outputs and a SPDT relay contact. The outputs are galvanically isolated and assigned to the inputs. Either the primary pH value/Redox voltage or the temperature can be assigned to the relay contact.

The devices can be operated and configured using the front face buttons and the integrated LCD, or the configuration can be done remotely from a computer using the optional cable and setup program. It is possible to save and print the configuration data, thus simplifying plant documentation and allowing for easy downloading of the configuration file to multiple units.

For more information contact Anastas Schnippenkotter, ASSTech Process Electronics & Instrumentation, +27 (0)11 708 9200, [email protected], www.asstech.co.za

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