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System and method for determining a density of a fluid

  • US 5,827,963 A
  • Filed: 05/31/1996
  • Issued: 10/27/1998
  • Est. Priority Date: 05/31/1996
  • Status: Expired due to Term
First Claim
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1. A method for determining a density of a substantially static fluid in a tank having a first measuring level and a second measuring level, the tank containing a fluid level above the first measuring level and the second measuring level, the method comprising the steps of:

  • measuring a first fluid pressure of the substantially static fluid at the first measuring level via a first sensor assembly, the first sensor assembly being mounted, external to the tank, via a first single connection at the first measuring level and including a first transmitter generating a first fluid pressure signal corresponding to the first fluid pressure, the first fluid pressure signal having a first value;

    measuring a second fluid pressure of the substantially static fluid at the second measuring level via a second sensor assembly, the second sensor assembly being mounted, external to the tank, via a second single connection at the second measuring level and including a second transmitter generating a second fluid pressure signal corresponding to the second fluid pressure, the second fluid pressure signal having a second value; and

    calculating the fluid density in the tank as a function of the first value of the first fluid pressure signal and the second value of the second fluid pressure signal.

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