Following the market launch of the SHT2x family of humidity and temperature sensors, Sensirion has now released a sensor designed exclusively for temperature measurement, as well as a line of differential pressure sensors.
The new STS21 temperature sensor is based on the same chip as the SHT2x family and is housed in a DFN package measuring 3 x 3 mm. It delivers accuracy of ±0,22°C over the temperature range of 5°C to 60°C, combined with very low power consumption. It is pin and protocol compatible with the standard SHT21 humidity sensor, which allows it to be used as alternative to the SHT21 in applications where temperature measurement is required and humidity measurement is optional, since the same hardware can be used with both sensors. The STS21 is fully calibrated and provides a digital output.
For differential pressure sensing, the new SDP6x6 sensor line features low energy consumption, making it suitable for long-term battery operation. The SDP606 and SDP616 sensors are designed to enter sleep mode after performing each measurement. Operating currents are no greater than 400 μA, and this falls to less than 1 μA in sleep mode.
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