Models PGT23.100, PGT23.160

Bourdon tube pressure gauge with output signal

For the process industry, safety version, NS 100 and 160

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Applications

  • Acquisition and display of process values
  • Transmission of process values to the control room, 4 ... 20 mA, 0 ... 20 mA, 0 ... 10 V
  • Easy-to-read, analogue on-site display needing no external power
  • Safety-related applications

Special Features

  • "Plug and play" with no configuration necessary
  • Signal transmission per NAMUR
  • Measuring ranges 0 ... 0.6 bar to 0 ... 1600 bar
  • Easy-to-read analogue display with nominal size 100 or 160
  • Safety pressure gauge S3 per EN 837-1

Description

At any point where the process pressure has to be indicated locally, and, at the same time, a signal is wanted to be transmitted to a central controller or remote control room, the model PGT23 intelliGAUGE (patent applied for, among others European Patent No. EP 06113003) can be used.

Through the combination of a mechanical measuring system and precise electronic signal processing, the process pressure can be read securely, even if the power supply is lost.

The intelliGAUGE model PGT23 fulfils all safety-related requirements of the relevant standards and regulations for the on-site display of the operating pressure of pressure vessels. An additional measuring point for mechanical pressure indication can thus be saved.

The model PGT23 is based upon a model 23x.30 high-quality, stainless steel safety pressure gauge with a nominal size of 100 or 160. The pressure gauge is manufactured in accordance with EN 837-1.

The all welded, robust bourdon tube measuring system produces a pointer rotation proportional to the pressure. An electronic angle encoder, proven in safety-critical automotive applications, determines the position of the pointer shaft - it is a non-contact sensor and therefore completely free from wear and friction. From this, the electrical output signal proportional to the pressure, 4 ... 20 mA, is produced.

The electronic WIKA transmitter, integrated into the high-quality mechanical pressure gauge, combines the advantages of electrical signal transmission with the advantages of a local mechanical display.

The measuring span (electrical output signal) is set automatically along with the mechanical display, i.e. the scale over the full display range corresponds to 4 ... 20 mA. The electrical zero point can also be set manually. 

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