Satisfying customer needs since 1974 We are a leading designer and manufacturer of data loggers, data acquisition systems, and measurement and control products used worldwide in a variety of applications related to weather, water, energy, gas flux and turbulence, infrastructure, and soil. We specialize in rugged, low-power systems for long-term, stand-alone monitoring and control. At Campbell Scientific, we are proud to be internationally recognized in the measurement and control industry for producing accurate and dependable instruments.