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Temperature averaging data logger

  • US 5,249,863 A
  • Filed: 12/21/1992
  • Issued: 10/05/1993
  • Est. Priority Date: 02/14/1992
  • Status: Expired due to Fees
First Claim
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1. A data logger comprising:

  • temperature sensing means for sensing a temperature;

    amplifier means responsive to said temperature sensing means for generating an output proportional to the sensed temperature;

    timer means for periodically activating the temperature sensing means;

    means for averaging the output from said amplifier means;

    means for resetting said averaging means in response to said timer means;

    means for manually resetting said averaging means;

    display means responsive to said averaging means for displaying the averaged output representing average sensed temperature;

    means for displaying on said display means the time period between each resetting of said averaging means;

    battery power supply means; and

    means in said power supply means for monitoring battery condition and for causing said condition to be displayed on said display means.

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