Barometric Pressure

Barometric pressure sensors are a specialized subset of absolute pressure sensors, specifically designed to measure ambient atmospheric pressure. Like absolute sensors, they use a sealed vacuum reference, but their pressure range is typically optimized for atmospheric pressure measurements between 30 kPa and 110 kPa, enabling higher resolution and accuracy in this specific range.

Sencoch barometric pressure sensors (such as the GZP6816D series) are based on MEMS piezoresistive technology and integrate high-precision signal conditioning ICs. They provide calibrated and temperature-compensated digital I²C or analog voltage outputs, featuring low power consumption and compact size. These sensors are widely used in smartphones, smartwatches, and wearable devices to assist GPS in altitude measurement, floor positioning, and activity tracking. In drones, they serve as core components for precise hovering and altitude control. In meteorological stations, they are used for weather monitoring and forecasting. In addition, some water depth measurements also utilize waterproof barometric pressure sensors to calculate liquid level height.