The KM-7B BK part of MASZCZYK is a high-precision barometer designed to measure air pressure. In addition to its incredibly accurate readings, it also offers a wide range of features and functions that make it ideally suited for use in a range of different environments. This includes an automatic temperature compensation function, an adjustable altitude correction range, an adjustable damping level, and a greater than 100mb range. Advanced features include an altitude graph and a data logging capability for analyzing changes in pressure over time. The KM-7B BK part of MASZCZYK is ISO 9000 certified and comes with a 6 month warranty.