Introduction
The AHT20 is a high-precision but low-cost temperature and humidity sensor, which is equipped with an improved MEMS semiconductor capacitive humidity sensor element. It features standard I2C interface and a wide voltage supply of 2V-5V. And with the simple peripheral circuit, it performs stably even in harsh environments in the measuring range of -40℃ ~ ＋85℃.
This sensor can be widely used for measuring the environmental temperature and humidity of home electronic equipment, the temperature and humidity of automobiles, and so on.
Features
- Digital output, I2C interface
- Excellent long-term stability
- Fast response, strong anti-interference, and adaptability
- Gravity interface, simple wiring, no soldering required
Applications
- HVAC
- Dehumidifier
- Testing Equipment
- Consumer Appliances
- Automobiles
- Automatic Control
- Data Loggers
- Weather Control
Specification
Module Parameters
- Operating Voltage: DC2V-5V
- Output Signal: I2C
- I2C Address: 0x38
- 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
Documents
Shipping List
- Gravity: AHT20 Temperature and Humidity Sensor × 1
- Gravity-4P I2C/UART Sensor Cable × 1
| Specification | |
| Accuracy | humidity: ±2 %RH temperature; ±0.3℃ |
| Baud Rate | 115200 bps |
| Cable Lenght | 15cm |
| Connector | Gravity |
| Output | Anal I2C |
| Resolution | humidity: 0.024 %RH temperature: 0.01℃ |
| Power | DC2V-5V |
| Range Output | humidity: 0~100 %RH temperature: -40℃~85℃ |
Gravity: AHT20 Temperature and Humidity Sensor
- Brand: DFROBOT
- Product Code: SEN0528
- Availability: In Stock
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$66,000.00
- Ex Tax: $66,000.00
Tags: temperature sensor, temperature humidity sensor, humidity sensor