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DHT22 digital temperature and humidity sensor AM2302 temperature humidity module

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DHT22 digital temperature and humidity sensor AM2302 temperature humidity module

Technical parameter

Measuring range

Temperature: -40….+80°℃

Humidity: 0...99.9%RH
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technical parameter

Measuring range

Temperature: -40….+80°℃

Humidity: 0...99.9%RH


Accuracy (under 25℃ environment):

Temperature: ±0.5℃

Humidity ±2%RH (10..90%RH)


Resolution: Temperature: 0.1℃ Humidity: 0.1%RH


Attenuation value: Temperature: <1℃/year Humidity: <1%RH/year


sensor type

Temperature: resistive sensor Humidity: capacitive sensor


Response time: Temperature: 5s Humidity: 5s 1/e (63%)

Operating temperature range: -40...+80°C

Power supply: DC: 3.3~5.5V

Shell material: PC plastic

Weight: 1g




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