Description

AHT21B Digital Temperature Humidity Sensor Detection Module NEW Description: AHT21B digital temperature and humidity module is a temperature and humidity composite sensor with calibrated digital signal output. It uses special digital module acquisition technology and temperature and humidity sensing technology to ensure that the product has very high reliability and excellent long-term stability. The product has the advantages of excellent quality, rapid response, strong anti-interference ability, and high cost performance. Each sensor is calibrated in a professional humidity calibration room to make the product reach a higher accuracy standard. Standard I²C interface makes system integration easy and fast. The product's small size and low power consumption make it the best choice for various applications and even the most demanding applications. Feature • Fully calibrated • Digital output, I²C interface • Excellent long-term stability • Quick response • Strong anti-interference ability • A variety of accessories to choose from • Tailor-made application solutions Specificaion Measuring Temperature: -40~+80°C; Measuring Humidity: 0~100%RH Temperature accuracy: ±0.3℃; Humidity accuracy: ±2%RH(25℃) Temperature Resolution: 0.01℃ Humidity Resolution: 0.024%RH Output signal: I2C Supply voltage: DC 2.0 - 5.5V Application HVAC, dehumidifier, testing and inspection equipment, consumer products, automobiles, automatic control, data loggers, weather stations, home appliances, humidity control, medical and other related temperature and humidity detection and control. Package Included: 1 pcs aht21b sensor Payment Returns Shipping Payment We only accept payment through Paypal. Items will go to post within 1-2 business days after payment confirmed. Returns If you can't receive the product within 2 months (60 days), please contact with us,we promise to payback 100% of your money. We ensure our products work normally before post.If the products is broken before arrival to you,all you should do is taking a photo to show us our broken product.We promise to payback 100% of your money. Shipping 1. We ship to Worldwide. 2. We only ship to confirmed PAYPAL address; your PAYPAL address must match your Shipping address. 3. Any non-received items caused by invalid address registered on PayPal are not in our full refund or replacement policy. Shipping fee has including the local handing and packaging fee. 4. All the items will be shipping within 1-2 working days after receiving the payment, except some holidays. 5. We will not be responsible for any custom delay or tax, because transit time is highly depended and provided by postal Service. 6. If you have any problem, please contact us via message, we will reply message within 1-2 working days, please wait for patient.