Self-recording snow depth probe

Details Self-recording snow depth probe Self-recording snow depth probe

1997-06-09

1999-01-26

Raevis, Robert

Measuring and testing

Miscellaneous

G01B 506

Patent

active

058640592

ABSTRACT:
A snow probe device with a portable data logger that measures snow depths snow covered areas. The snow probe componets include: i) a linear displacement magnetostrictive transducer composed of a long probe shaft with an internal magnetostrictive transducer filament that operates in conjunction with a small electronics package for signal generation and detection; ii) a floating plate assembly that includes a magnet that slides on the probe shaft along with a floating plate that rests upon the snow's surface during a measurement event; iii) a pointed tip designed for easy penetration of snow attached at the probe's bottom end portion; iv) a thumb switch for actuating measurements on a cylindrical handle attached at the upper end of the probe shaft; and v) a data logger for controlling and recording the magnetostrictive transducer measurements. Optionally, the device can include a polar fleece sleeve to thermally insulate the transducer's electronics package and a digital counter to record the number of measurements performed.

REFERENCES:
patent: 3432933 (1969-03-01), Wood
patent: 3881256 (1975-05-01), Jewell et al.
patent: 4600842 (1986-07-01), Boschung et al.
patent: 4839590 (1989-06-01), Koski et al.
patent: 5640880 (1997-06-01), Mulrooney et al.

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