About DHT11

The DHT11 digital temperature and humidity sensor is a versatile and reliable composite sensor that provides accurate measurements of temperature and humidity. It utilizes advanced digital modules and sensing technology to ensure high reliability and long-term stability. The sensor includes both a resistive wetness component and an NTC temperature measurement device, which are connected to a high-performance 8-bit microcontroller. 

With its compact DIP4 package, the DHT11 sensor is easy to install and integrate into various applications. It boasts an impressive accuracy, with a ±5% RH (relative humidity) and ±2°C temperature deviation. The measuring range for humidity spans from 5% to 95% RH, while the temperature range is -20°C to 60°C.

The DHT11 sensor operates with a fast sampling period of 2 seconds, allowing for quick and efficient data collection. It can be powered by a supply voltage ranging from 3.3V to 5.5V, providing flexibility in different electronic systems. The sensor’s wide range of features and specifications make it suitable for a variety of applications, including environmental monitoring, HVAC systems, weather stations, and home automation.

Features

• Accurate Measurements: The DHT11 sensor provides precise measurements of temperature and humidity, with an accuracy of ±5% RH and ±2°C temperature deviation. This ensures reliable and consistent data.
• Wide Measuring Range: The sensor can measure humidity within a range of 5% to 95% RH, making it suitable for environments with varying levels of moisture. It also measures temperature in the range of -20°C to 60°C, allowing for monitoring in diverse temperature conditions.
• Compact Design: With its DIP4 package, the DHT11 sensor is compact and easy to install. This makes it convenient to integrate into different electronic systems and devices.
• Fast Sampling Period: The sensor has a sampling period of just 2 seconds, enabling quick and efficient data collection. This ensures timely updates on temperature and humidity readings.
• Flexible Power Supply: The DHT11 sensor can be powered by a supply voltage ranging from 3.3V to 5.5V. This flexibility allows for seamless integration into various electronic systems.

Specifications

Applications

• Environmental Monitoring: The accurate temperature and humidity measurements provided by the DHT11 sensor make it suitable for monitoring environmental conditions in industries, laboratories, and greenhouses.
• HVAC Systems: The sensor can be used in heating, ventilation, and air conditioning (HVAC) systems to ensure optimal temperature and humidity control, improving comfort and energy efficiency.
• Weather Stations: With its ability to measure temperature and humidity over a broad range, the DHT11 sensor can be utilized in weather stations for real-time weather monitoring and forecasting.
• Home Automation: The sensor can be integrated into smart home systems to monitor and control indoor climate conditions, enabling efficient energy management and creating a comfortable living environment.

Datasheet Download: DHT11 Datasheet

ECAD Model: PCB Symbol and Footprint

• Shipped from: Shenzhen warehouse
• Shipment way: DHL/Fedex/TNT/UPS/EMS
• Expected Shipping Date: 1 to 3 days
• Our Lead-Time: 5-7 days
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