G - Physics – 01 – N
Patent
G - Physics
01
N
73/71
G01N 25/56 (2006.01)
Patent
CA 1316716
ABSTRACT OF THE DISCLOSURE Disclosed herein is a moisture measuring apparatus which measures the moisture content of an object to be measureed such as soil or sand, or the like. This moisture measuring apparatus comprises a plurality of specific heat type moisture sensors, which use a resistance type temperature sensor as a temperature measurement means and a heater as a heat source body, inserted at suitable intervals in the object to be measured, and a moisture detector for detecting the moisture content of the object by comparing data for the voltage values detected by the specific heat type moisture sensors with data inputted in advance for the voltage values measured for a wide range of moisture content values in the object material, and the temperature sensor for each of the moisture sensors is electrically connected in parallel with the moisture detector. This parallel connection provides an accurately measured value which is close to the actual value. In addition, this moisture measuring appratus can measure under conditions in which the sensor and the object are closely adhering to a high degree under pressure.
605445
Futata Hozumi
Ishiguro Yoshiaki
Nagawa Yoshiharu
Nihashi Noriyuki
Gowling Lafleur Henderson Llp
Yazaki Corporation
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