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Smallest relative humidity sensor for a multitude of applications: "size that inspires"
The extremely small SHT21 digital humidity and temperature sensor integrates sensors, calibration memory and digital interface on 3 x 3 mm footprint. Additionally the humidity sensor provides electronic read-out of tracking information. The complete over-moulding of the sensor chip - with the exception of the humidity sensor area - protects the fully calibrated and reflow solderable humidity and temperature sensor against external impact and leads to an excellent stability against aging, shock and volatile chemicals.
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