Name: DHT11
Brand: ASAIR
SKU: DHT11
Availability: OutOfStock

Specifications

Product Introduction

The DHT11 is a temperature and humidity composite sensor with calibrated digital signal output. It integrates a dedicated digital temperature and humidity sensing element, utilizing specialized digital module acquisition technology and temperature/humidity sensing technology to ensure high reliability and excellent long-term stability. The DHT11 sensor contains a temperature and humidity measurement element and a high-performance MCU.

Features

Excellent impact resistance and electrical performance
Fully calibrated
Digital output, single-bus communication
Excellent long-term stability
Fast response, quick recovery time, strong anti-interference capability

Applications

Agriculture
Home appliances
Automotive
Meteorology
Medical
HVAC
Dehumidifiers
Cold chain storage
Testing and detection equipment
Data loggers
Humidity regulation systems

Specifications Table

Parameter	Value
Humidity Measurement Range	5 to 95 %RH
Humidity Accuracy	±5 %RH
Humidity Repeatability	±1 %RH
Humidity Interchangeability	Fully interchangeable
Humidity Response Time (63%)	<6 s
Humidity Hysteresis	±0.3 %RH
Humidity Long-term Drift	<0.5 %RH/yr
Temperature Accuracy	±2 ℃
Temperature Repeatability	±1 ℃
Temperature Hysteresis	±0.3 ℃
Temperature Response Time (63%)	5 to 30 s
Temperature Operating Range	-20 to 60 ℃
Temperature Long-term Drift	<0.5 ℃/yr
Supply Voltage	3.3 to 5.5 V
Average Current (Sleep)	60 µA
Average Current (Measurement)	1000 µA
Low-level Output Voltage	0 to 300 mV
High-level Output Voltage	0.9*VCC to VCC V
Low-level Input Voltage	0 to 0.3 V
High-level Input Voltage	0.7 to VCC V
Pull-up Resistor	1 to 100 kΩ
Sampling Period	2 s
VCC Pin to GND Voltage	-0.3 to 5.5 V
SDA Pin to GND Voltage	-0.3 to VCC+0.3 V
Input/Output Current (All Pins)	-10 to 10 mA

To learn more, please download the PDF.