Alps Alpine’s Digital Air- and Water-Pressure Sensor is Waterproof

September 6, 2019 Alix Paultre

Alps Alpine started mass-producing the HSPPAD143A Waterproof Digital Pressure Sensor, targeting applications in wearable devices and IoT equipment. According to the latest data from the Worldwide Quarterly Wearable Device Tracker released by IT research firm IDC Japan, the wearable devices market is expected to grow more than 10 percent on average each year between 2019 and 2022.

The HSPPAD143A has a pressure measurement range from 300hPa to 2100hPa, and has a water-resistant design to work in both low-pressure environments at altitudes up to 9,000 meters and high-pressure conditions down to 10 meters underwater, allowing measurement in both open air and water with a single sensor. The HSPPAD143A also houses a dedicated, fully customized application-specific integrated circuit (ASIC) to realize a current consumption of 1.8μA in low-power mode.

The sensor has built-in FIFO* memory, and it can be used in combination with a ready-made O-ring to simplify end-product design. As a result, the sensor can be used for a wide variety of purposes not restricted to wearable products or applications like pressure measurement in gas meters.

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