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DFRobot

DFRobot Gravity: AHT20 Temperature And Humidity Sensor Digital Sensor With I2C Interface For Advanced MEMS Technology

DFRobot Gravity: AHT20 Temperature And Humidity Sensor Digital Sensor With I2C Interface For Advanced MEMS Technology

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Regular price Rs. 507.00
Regular price Sale price Rs. 507.00
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Delivery Time

  • Delivery time with the Express Shipping option is 2-3 working days, and with the Standard Shipping option is 5-6 working days. It varies based on location, reliant on courier services.

  • Delivery time if the order item is on Preorder Status is 15-20 working days.

COD (Cash on Delivery)

  • For COD you have to pay extra charges of Rs 350/- before the shipment. (We will share the company QR Code, UPI ID or Account details for the same)
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Description:

The AHT20 is a cutting-edge digital temperature and humidity sensor module that leverages an upgraded MEMS semiconductor capacitive sensing element for superior accuracy and stability. This sensor features a standard I2C communication interface, enabling seamless integration with microcontrollers and other digital systems. Its wide operating voltage range (2V—5V) and low power consumption make it suitable for battery-powered and embedded applications.

The AHT20 delivers precise temperature and humidity measurements across a wide range of -40℃ to +85℃, making it ideal for applications requiring robust environmental sensing, including HVAC systems, data loggers, and industrial automation.

Specifications:

Module Parameters

  • Operating Voltage: DC2V-5V
  • I2C Address: 0x38
  • Output Signal: I2C
  • Dimension: 30mm×20.5mm/1.18×0.81"

AHT20 Chip Parameters

Relative Humidity

  • Resolution: 0.024 %RH
  • Accuracy Error: ±2 %RH
  • Repeatability: ±0.1 %RH
  • Hysteresis: ±1 %RH
  • Non-linear: ±0.1 %RH
  • Response Time: 8S
  • Operating Range: 0~100 %RH
  • Long-term Drift: <0.5 %RH/yr

Temperature

  • Resolution: 0.01℃
  • Accuracy Error: ±0.3℃
  • Repeatability: ±0.1℃
  • Hysteresis: ±0.1℃
  • Response Time: minimum 5S, maximum 30S
  • Operating Range: -40℃~85℃
  • Long-term Drift: <0.04℃/yr

Features:

  • Standard digital communication.
  • Long-term accuracy.
  • Fast response, interference resistant.
  • Easy, plug-and-play wiring.

Applications:

  • HVAC
  • Dehumidifier
  • Testing Equipment
  • Consumer Appliances
  • Automobiles
  • Automatic Control
  • Data Loggers
  • Weather Control

Documents:

Package Included:

1 x DFRobot Gravity AHT20 Temperature And Humidity Sensor