Water-Resistant Pressure Sensor Enables High-Performance Wearables

A first choice for Samsung’s Gear Fit 2 Pro, STMicroelectronics LPS33HW miniature waterproof pressure sensor resists chemicals and salt water. Suitable for use by swimmers, the sensor also stands up to soaps and detergents. Samsung’s Gear Fit 2 Pro is said to be the next generation of sports band, packing features that include GPS, continuous heart rate monitoring, and larger on-board memory for when the user is not connected to a smartphone.

 

In addition to being highly accurate, the LPS33HW has the unique ability to recover quickly after the stresses of manufacturing. According to STMicro, most 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 use in less than half that time. This translates into designers getting their products out the door a lot quicker.

Free Newsletter

Like this article? Subscribe to FierceSensors!

The sensors industry is constantly changing as innovation runs the market’s trends. FierceSensors subscribers rely on our suite of newsletters as their must-read source for the latest news, developments and analysis impacting their world. Register today to get sensors news and updates delivered right to your inbox.

 

It Ain’t Just For Wearables

 

In addition to wearables, other equipment including industrial sensors and utility meters can enlist the LPS33HW. The 10-bar pressure sensor can withstand being submerged up to 90 meters, and its RMS pressure noise figure 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 ±1mbar per year. When soldered to a circuit board during product manufacture, the accuracy is affected by less than ±2mbar, and returns to normal after less than 72 hours – significantly quicker than similar water-resistant pressure sensors.

 

The LPS33HW is in production now and available in a 3.3 mm x 3.3 mm x 2.9 mm cylindrical metal package suitable for use with O-ring seals. Pricing starts at $4.50 each/1,000. For more specs, an LPS33HW datasheet is available. For more info, contact STMicroelectronics, Burlington, MA. 781-861-2650

Suggested Articles

MarketsandMarkets says the low-light imaging market is expected to grow from $10.04 billion in 2019 to $18.36 billion by 2024.

SiC can make medical devices more perceptive, it can make electronics more energy-efficient, and it can help sensors perform in higher temperatures.

Components supplier CTS Corporation has acquired temperature sensor supplier Quality Thermistor, Inc. (QTI), for $75 million in cash.