Method and apparatus for measuring moisture tension in leaves of

Details Method and apparatus for measuring moisture tension in leaves of Method and apparatus for measuring moisture tension in leaves of

1981-01-21

1983-04-19

Goldstein, Herbert

Measuring and testing

Moisture content or absorption characteristic of material

G01N 2100

Patent

active

043801692

ABSTRACT:
A method and apparatus to measure moisture tension in a leaf of a growing plant is described. The apparatus includes a pair of separable jaws for clamping a leaf between a standard light source and a photoelectric detector which are connected electrically to a regulated bias network and through an analog-to-digital converter panel meter. The measurement appearing on the readout is compared with a predetermined calibration source. The instrument as a whole is called a Moisture Tension Radiometer.

REFERENCES:
patent: 3405268 (1968-10-01), Brunton
patent: 3851175 (1974-11-01), Dahlin et al.
patent: 4069716 (1978-01-01), Vanasco et al.

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