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PR3914

Subsea Pressure Transmitter

PR3914
  • Suitable for ROV and deep sea test equipment
  • Silicon-on-Sapphire sensor technology for outstanding performance
  • Submersion to 6,000 mtrs depth
  • Pressure ranges available to 2,000 bar
  • High accuracy option
  • Optional temperature output
  • Hyperbaric testing and Environmental Stress Screening (ESS Testing)

The PR3914 subsea pressure transmitter has been designed to meet the demanding requirements of pressure measurement at deep levels of immersion especially in oil industry applications. It can be configured to suit a multitude of applications

The unique Silicon-on-Sapphire sensor technology provides outstanding performance and gives excellent stability over a wide temperature range. The advanced sensor design consists of a piezoresistive silicon strain gauge circuit, which is epitaxially grown onto the surface of a sapphire diaphragm to form a single crystalline structure. The sapphire sensor element is then molecularly bonded to a titanium alloy sub-diaphragm. This enables the sensor to endure higher over-pressures and provides superb corrosion resistance. The sensor exhibits virtually no hysteresis and excellent long-term stability. With outstanding insulation properties, the sapphire substrate 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. Multiple optional connections are available... Providing a two wire output signal of 4-20 mA with high stability and repeatability for pressure ranges up to 2,000 bar. Intended for permanent immersion the product can withstand external pressures of up to 6,000 metres depth water. Secondary provides secondary pressure containment up to 1,650 bar. Units can be supplied with hyperbaric test certificates to 3,000 metres water submersion. Electrical connection is via strong PTFE Raychem Flexlite leads. Pressure ranges available from 0-200 bar to 0-1,000bar.

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Registered Office: Sensor House, Wrexham Technology Park, Wrexham, United Kingdom, LL13 7YP. Company Reg. No. is 2523392.
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