ERT Pipe Sensors

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ITS has more than 12 years experience designing sensors for industrial applications.

ERT sensors comprise of multiple electrodes which must make electrical contact with the fluid within the process volume. The most common geometry is a circular sensor with the electrodes arranged uniformly around the circumference.

This approach is suitable for pipeline based sensors for both R&D and industrial applications. Circular sensors can also be fitted to the circumference of process vessels although this tends to be limited to R&D applications. These sensors can be designed to minimise or eliminate any disturbance of the flow through the pipe by making the electrodes flushed to the wall.

A variety of materials can be used for sensor body, including:

  • acrylic
  • PVDF/PTFE
  • polymer Lined Stainless Steel
  • abrasion resistant ceramic tiles
  • glass or glass reinforced steel

Electrodes can be constructed of

  • 316 Stainless Steel
  • Hastelloy
  • platinum
  • conducting ceramics
  • copper

ITS has built sensors which have been tested to 200 bar and have an operating envelope from -30 to 150°C. Sensor diameters can be from 8mm to 1.2m.

ERT sensors can be used with p2+ and v5r instruments for measuring flow and in-line mixing applications. Where necessary, they can be installed in Ex environments to ATEX standard EEx ia IIC T6.

ITS can provide advice on sensor suitability for particular processes, commissioning and technical support as required.

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