Product category:
Liquid Analysis: pH, Conductivity, ISE
News Release from: Baumer Group | Subject: ISL05x
Edited by the Processingtalk Editorial
Team on 29 November 2007
Inductive conductivity transmitter has
3A Approval
The ISL05x is a high accuracy sensor for the inductive measurement of conductivity with integrated compensation of the liquid temperature, suitable for hygienic applications
With the ISL05x, Baumer Process Instrumentation offers an inductive conductivity sensor with high accuracy The compact design in all stainless steel enables installation in pipes from DN40 and upwards
This article was originally published on Processingtalk on 31 Dec 2002 at 8.00am (UK)
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The liquid flowing through a channel bore in the measuring head acts as the core in a transformer.
Power is supplied to the primary coil on one side of the bore, whereas the induced output current of the secondary coil is measured on the other side of the bore.
The conductivity of a medium is directly proportional to the output current level and temperature-dependant.
An accurate temperature measurement is made and used to compensate for the temperature of the media.
Due to its precise, configurable temperature compensation and remote setting of the four pre-configured measuring ranges, the ISL is ideal for a wide range of conductivity measurement.
The ISL05x has a 4 to 20mA output for conductivity as well as temperature.
It measures a process temperature from -20 up to 130C.
The high operating temperature limit allows the installation also in SIP systems.
The sensor is insensitive to polarisation, adhesion and solids.
The integrated display for mS/cm and degrees C offers an instant readout locally, which is an advantage especially in manually operated cleaning systems.
Due to the optimised flow geometry and the fast response time, the ISL is suitable also in applications where separation of media and measurements of cleaning agents in CIP equipment is required.
The accuracy is excellent even at very low conductivity and flow rates.
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