• Each side has two pressure connections, easy to use in pressure lines at depth
• The transmitters have a bus-compatible two-wire RS485 half-duplex
• Interface offers the following capabilities
  • Readout of pressure and temperature values for both sensors. This allows readout of the differential pressure as well as the two standard pressure ranges
  • Calibration of zero point and amplification
  • Scaling of the analog output to different pressure ranges or units
  • The system differential output will show zero when at depth with no test pressure applied
  • OR – The system can display the difference between 2 subsea pressures
  • Configuration settings such as measurement rate, low-pass (LP) filter, bus address, etc
  • Readout of information such as serial number, compensated pressure and temperature ranges, etc
• Sensed parameters are:
  • P1-test pressure 1
  • T1-temp at sensor 1
  • P2-ambient depth or a 2nd pressure
  • T2-temp at sensor 2
• Outputs:
  • P1, T1, P2, T2 also (P1-P2=CH0)
• Pressure or back seal testing can be measured against the depth ie CH0 will display Zero at start of test. Or two pressures can be compared.

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