STMicroelectronics LPS33HW water-resistant pressure sensor

Tuesday, 07 November, 2017 | Supplied by: STMicroelectronics Pty Ltd

STMicroelectronics LPS33HW water-resistant pressure sensor

STMicroelectronics has released its latest miniature pressure sensor, the LPS33HW. Resistant to chemicals like chlorine, bromine and salt water, it is suitable for pool or sea swimming, and will also resist soaps or detergents used when showering or cleaning.

The product helps OEMs get their products to the store shelves quickly by recovering soon after the stresses of manufacturing. Other sensors can require up to seven days to regain maximum accuracy after coming off the production line, but devices containing the LPS33HW are ready for action in less than half that time. This is due to the sensor’s high-performance built-in processor and the formula of its water-resistant gel filling.

In addition to smart consumer devices like wearables, other equipment including industrial sensors and utility meters can also benefit from the robustness and high measurement accuracy of the device. The 10 bar pressure sensor can withstand being submerged up to 90 m, and the low RMS pressure noise of 0.008 mbar allows apps like an altimeter, depth gauge or weather monitor to deliver consistent and stable results. The sensor accuracy drifts by less than ±1 mbar per year.

When soldered to a circuit board during product manufacture, the accuracy is affected by less than ±2 mbar, and returns to normal after less than 72 h — quicker than similar water-resistant pressure sensors, according to the company. The product comes in a 3.3 x 3.3x 2.9 mm cylindrical metal package suitable for use with O-ring seals.

For more information, click here.

Online: www.st.com
Phone: 02 9158 7200
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