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Peet Bros Co

From its inception, Peet Bros Co. was the leading supplier of precision pocket barometers and altimeter/barometers for recreational and professional use. The company, which holds patents on both mechanical and electronic altimeter/barometers, introduced the world's first all-electronic precision pocket altimeter/barometer in 1985.

After years of research and development, Peet Bros. introduced the first electronic weather station under its registered trademark, "ULTIMETER", the Model 20. This system was a major breakthrough toward affordable home weather stations. Its popularity gave rise to calls for higher performance and long term reliability, particularly in the wind sensor and control unit. This led Peet Bros. to design the next generation weather station, the ULTIMETER II.