Keller's lineup of sensors, transducers and transmitters includes an extensive selection of above-ground models, all utilizing advanced piezoresistive pressure sensor technology. From general purpose industrial pressure sensors to automotive pressure sensors and transducers to high-flying precision pressure transducers for commercial and military aviation applications, Keller can provide an engineered solution for most pressure measurement problems. Econoline, Valueline and Preciseline transmitters are assembled to order in the US, enabling standard 3-day delivery from our Newport News, VA facility. Other models are produced at our headquarters in Northern Switzerland.

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