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PR3915 Dual Redundant Subsea Pressure Transmitter

PR3915

Dual Redundant Subsea Pressure Transmitter

  • Two pressure sensors and electronics for reliable dual redundancy
  • Silicon-on-Sapphire sensor technology for outstanding performance
  • Submersion to 3,000 metres sea level
  • Pressure ranges available to 1,000 bar
  • High accuracy option
  • Hyperbaric testing to 3,300 metres depth
  • Environmental Stress Screening (ESS Testing)

Description

The PR3915 Dual Redundant Subsea pressure transmitter has been designed to meet the requirements of the sub-sea oil industry Valve-Mountable and is configured to mount directly to the industry standard control valve flange arrangement.

The unique Silicon-on-Sapphire sensor technology provides outstanding performance and gives excellent stability over a wide temperature range. The sensor can endure high over-pressures and provides superb corrosion resistance with virtually no hysteresis. The outstanding insulation properties of the sapphire allows the sensor to operate over a very wide temperature range without loss of performance.

Housed in fully welded body with wetted parts conforming to the NACE recommendation for material corrosion resistance, this product will provide a durable solution for long term accurate pressure measurement even when permanently situated in extreme depth sub-sea environments. The pressure connection is achieved with an 8mm diameter stem with integral dual redundant o-ring seal grooves. Alternative connections are available. The fitting is constructed from Inconel 625 for high chemical resistance. Providing a two wire output signal of 4-20 mA with high stability and repeatability for pressure ranges up to 1,000 bar.

Intended for permanent immersion in pressurized dielectic oil and protected from ingress with a high pressure glass-to-metal lead through the product can withstand external pressure up to 3,000 metres depth water and provides secondary pressure containment up to 1,650 bar. Electrical connection is via strong PTFE Raychem Flexlite leads. Pressure ranges available from 0-200 bar to 0-1,000 bar.

Units can be supplied with hyperbaric test certificates to 3,000metres water submersion. ESS testing and comprehensive document packages are available.

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