DHT22 Digital Temperature and Humidity Sensor Module

Code: 011-280
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AM2302 capacitive humidity is a digital temperature and humidity module containing digital signal output has been
calibrated temperature and humidity sensor complex. It uses a dedicated digital modules collection technology and
temperature and humidity sensor technology to ensure that products with high reliability and excellent long-term
stability. Sensor includes a capacitive sense element and a wet-precision temperature measurement devices, and with a
high-performance 8-bit microcontroller connected. Therefore, the product has excellent quality, fast response, antiinterference
ability, high cost and other advantages. Each sensor is calibrated in a very precise humidity calibration
chamber. Calibration coefficients stored in the form of a program microcontrollers, internal sensor detection signals in
the process to call these calibration coefficients. Standard single-bus interface, the system integration becomes simpler
and faster. Ultra-small size, low power consumption, signal transmission distance up to 20 meters or more, making it
the best choice for all kinds of applications and even the most demanding applications. For the convenience of three
lead products (single bus interface) connection. Special packages can be provided according to user needs.

The application
HVAC, dehumidifiers, testing and inspection equipment, consumer goods, automotive, automation, data loggers,
appliances, humidifiers, medical, weather, and other relevant humidity detection control.

The product highlights
Ultra-low power, transmission distance, fully automated calibration, using capacitive humidity sensor, completely
interchangeable, standard digital single-bus output, excellent long-term stability, high precision temperature
measurement devices.

The product parameters

  • Dimensions: 40 * 23mm
  • Weight: 4g
  • Voltage: 5V
  • Port: digital two-way single bus
  • Temperature range: -40-80 ± 0.5
  • Humidity range: 20-90% RH ± 2% RH
  • Platform: MCU

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