This absolute pressure sensor,ST LPS22HB (a.k.a LPS22) can quickly and easily measure this air pressure, useful when you want to know about the weather (are we in a low-pressure or high-pressure system) or to determine altitude, as the air thins out the higher we get above sea level. For example, at sea level, the official pressure level is 1013.25 hPa. You can use this sensor to measure the current pressure where you are right now to compare.
TheLPS22 is the world’s Smallest sensor (according to ST) and it is surprisingly tiny – only 2x2mm. So you’ll see this sensor show up in wearables and watches where space is at a premium. It has a wide measurement range of 260 to 1260 hPa with 24-bit pressure data measurements that can be read up to75 times a second (Hz), you can be confident that you always have an up-to-date and precise measurement. It’s pretty accurate too, with the ability to measure absolute pressure within 0.1 hPa after one-point calibration (1 hPa before calibration).
Features:
- 260 to 1260 hPa absolute pressure range
- High overpressure capability: 20x full-scale
- Embedded temperature compensation
- 24-bit pressure data output
- 16-bit temperature data output
- ODR from 1 Hz to 75 Hz
- SPI and I2C interfaces
- Embedded FIFO
- Interrupt functions: Data Ready, FIFO flags, pressure thresholds.
Package Includes:
1 x SmartElex LPS22 Pressure Sensor LPS22HB
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