Wherever accurate knowledge of rainfall is important, more people buy Tru-Chek than any other rain gauge.
The Tru-Chek low cost rain gauge collects up to 6" of rain before it needs emptying. The wedge design accurately measures 1/100 of an inch with two easy-to-read, permanetly-marked scales - inches on the front and metric on the back.
The one-piece, heavy weather-resistant, clear plastic resists discoloration.
The Tru-Chek wedge-shaped design provides Superior Results. From the American Geophysical Union Volume 36, Number 4:
"The (Tru-Chek) rain gauge sets were installed at the University of Illinois Airport on a level meadow in the middle of a micro-network of eight inch stick gauges... of the particular gauges tested, the wedge shape...gave the best comparison..."