Grass sports surfaces and a method for maintaining them

Details Grass sports surfaces and a method for maintaining them Grass sports surfaces and a method for maintaining them

G - Physics

01

F

73/173, 116/69

G01F 23/02 (2006.01)

Patent

CA 1143182

ABSTRACT OF THE DISCLOSURE An apparatus for monitoring the level of liquid in a grass playing field which includes a subsurface liquid reservoir, the apparatus comprising a generally U-shaped tube-like element, said tube-like element being in liquid communication with the liquid in the liquid reservoir, one leg of said tube-like element being positioned within the playing field such that the level of the liquid in the one leg is representative of the level of liquid in the playing field, the other leg being positioned outside of the boundary of the playing field, the liquid in the other leg having a measurable characteristic which is representative of the level of liquid in the playing field; and means for measuring said characteristic.

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