DHT11 Temperature And Humidity Sensor, Temperature & Humidity Sensor

Обзор

Measures temperature 0–50°C with ±2°C accuracy
Measures humidity 20–90% RH with ±5% accuracy
Provides digital single-wire output for easy microcontroller use
Operates at 3–5.5V with <0.5 mA idle current
Compact module size: approx. 20 × 15 × 6 mm
Fast response, updates readings every 1 second
Compatible with 3.3V and 5V logic systems
Reliable operation with a lifespan of 5+ years
Easily integrates with Arduino, Raspberry Pi, and other boards
Affordable sensor for precise temperature and humidity monitoring

DHT11 Temperature and Humidity Sensor-Reliable Environmental Monitoring for Smart Devices, HVAC & IoT Systems

Product Description

DHT11 Temperature and Humidity Sensor is a compact and cost-effective digital sensing device designed for indoor environmental monitoring and control.

The sensor integrates a calibrated humidity sensing element and an NTC temperature measurement component, providing stable and reliable digital output through a single-wire interface.

Our DHT11 sensors deliver consistent performance for large-volume applications, enabling real-time monitoring of ambient conditions for smart home systems, HVAC controllers, consumer electronics, and entry-level IoT devices. Designed for long production life and batch consistency, they help manufacturers reduce BOM cost while maintaining dependable environmental control.

Advantages of DHT11 Temperature and Humidity Sensor

Cost-effective solution optimized for high-volume OEM production
Factory-calibrated for stable and repeatable temperature and humidity measurement
Digital single-bus interface requiring only one MCU I/O pin
Low power consumption suitable for battery-powered and wireless devices
Good long-term stability for indoor environmental monitoring applications
Compact design for easy integration into space-limited products
Standardized production ensuring batch-to-batch consistency
Fast response for real-time environmental data acquisition
RoHS compliant and suitable for global markets
Fast sampling and stable long-term supply capability

DHT11 Temperature and Humidity Sensor Specifications

Parameter	Specification
Sensor Type	Digital Temperature & Humidity Sensor
Humidity Range	20–90% RH
Humidity Accuracy	±5% RH (typical)
Temperature Range	0°C to +50°C
Temperature Accuracy	±2°C (typical)
Resolution	1% RH / 1°C
Output Type	Single-wire digital interface
Response Time	≤6 seconds (typical)
Operating Voltage	3.3V – 5V DC
Current Consumption	≤2.5 mA (measuring)
Long-Term Stability	<1% RH/year (typical)
Calibration	Factory calibrated
Packaging Options	Bare sensor or module version
Compliance	RoHS compliant

Typical Applications of DHT11 Temperature And Humidity Sensor

HVAC & Building Automation

Indoor climate control and ventilation optimization
Smart thermostat and air quality monitoring
Energy-efficient building management systems

Agriculture & Greenhouses

Automated irrigation and ventilation control
Soil moisture correlation with ambient humidity
Crop protection in controlled environments

Industrial Monitoring

Warehouse and storage facility environmental control
Data center cooling system feedback
Pharmaceutical and food storage compliance

Consumer & IoT Devices

Home weather stations and smart home hubs
Desktop environmental monitors
Wearable device prototypes and hobby projects

Automotive & Transportation

Cabin comfort monitoring in electric vehicles
Cargo humidity tracking for perishable goods
RV and marine environmental systems

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