G - Physics
01
W
G01W 1/14 (2006.01)
Patent
CA 2302542
" This invention relates to improvements in rain gauges that measure the start of a rain event." " An object of the invention is to provide accuracy as well as simplicity in determining the start of rain events after placement of said device. This knowledge is extremely useful in pesticide applications." "In agriculture and horticulture some chemicals require a rain free period of 2- 6 hours, other types of chemicals require rain to occur within a week to be activated. The timer is able to count for 9 days. The Rainfall Timer will inform the applicator the amount of rain that fell relative to field placement. It is often difficult to determine the timing of a rain event, what commonly occurs when doubt exists to a rain event; a respray occurs. This is common in the industry" "Although sophisticated devices exist that inform the start, duration, and stop of rain events their complex design and cost render their use impractical to a pesticide applicator. Many models are capable of transmitting data back to a home base and are prone to loosing data either to electrical disturbances, wind or wildlife. The most important information that a rain event timer yields to a pesticide applicator is the start of a rain event rather than amount, duration, end or amount of precipitation." "To this end once the Rainfall Timer is activated by a predetermined amount of rain, the data is stored safely in the unit baring complete unit destruction." " The simplicity of the Rainfall Timer enables it useful to pesticide applicators who require a simple reliable device to inform them of the start of a rain event to accurately base respray decisions."
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