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 (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 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.

Relevant Industries       

• Aerospace & defence
• Alternative energy & CNG
• Dairy
• Diving & life support
• Energy & environment
• Food & beverage
• Industrial manufacturing & testing
• Laboratory and research & development
• Life sciences
• Microelectronics
• Oil & gas exploration and extraction
• Petrochemical refining and processing
• Personal care

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