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Remote electrochemical sensor

  • US 5,676,820 A
  • Filed: 02/03/1995
  • Issued: 10/14/1997
  • Est. Priority Date: 02/03/1995
  • Status: Expired due to Fees
First Claim
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1. A field environmental analysis apparatus for determining the presence of pollutants in a natural environmental matrix comprising:

  • a sensor assembly housed within an environmentally sealed connector including multiple electrodes submerged in the natural environmental matrix, one of said electrodes sensitive to the presence of a pollutant;

    a battery-powered analytical device;

    a cable interconnecting said sensor assembly and said analytical device; and

    said analytical device including means for applying a periodic voltage to the sensor assembly, means for receiving a response from said sensor assembly, and means for converting, in real time, the measured response to determine the presence of a pollutant.

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