DHT11 Temperature and Relative Humidity Sensor Module for Arduino

@ MODERN HALLROAD

DHT11 Temperature and Relative Humidity Sensor Module for Arduino applies exclusive digital-signal-collecting-technique and humidity sensing technology, assuring its reliability and stability. Its sensing elements is connected with 8-bit single-chip computer.

 250.00

In stock

DHT11 Temperature and Relative Humidity Sensor Module for Arduino applies exclusive digital-signal-collecting-technique and humidity sensing technology, assuring its reliability and stability. Its sensing elements is connected with 8-bit single-chip computer.

The DHT11 Temperature and Relative Humidity Sensor Module is a basic, ultra low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air and spits out a digital signal on the data pin.

Comes with a 4.7K or 10K resistor, which you will want to use as a pullup from the data pin to VCC. The DHT11 Digital Temperature and Humidity Sensor is a commonly used Temperature and humidity sensor that comes with a dedicated NTC to measure temperature and an 8-bit microcontroller to output the values of temperature and humidity as serial data.

Every sensor of this model is temperature compensated and calibrated in accurate calibration chamber and the calibration-coefficient is saved in type of program in OTP memory, when the sensor is detecting.

The DHT11 Temperature and Relative Humidity Sensor Module detects water vapor by measuring the electrical resistance between two electrodes. The humidity sensing component is a moisture holding substrate with electrodes applied to the surface.

When water vapor is absorbed by the substrate, ions are released by the substrate which increases the conductivity between the electrodes. The change in resistance between the two electrodes is proportional to the relative humidity. Higher relative humidity decreases the resistance between the electrodes, while lower relative humidity increases the resistance between the electrodes.

DHT11 Temperature and Relative Humidity Sensor Module includes a resistive-type humidity measurement component, an NTC temperature measurement component and a high-performance 8-bit microcontroller inside, and provides calibrated digital signal output. It has high reliability and excellent long-term stability.

Features: –

Small size & low consumption & long transmission distance(100m) enable DHT11 to be suited in all kinds of harsh application occasions. Single-row packaged with four pins, making the connection very convenient.

  • Good precision
  • Resistive type
  • Full range temperature compensated
  • Relative humidity and temperature measurement
  • Calibrated digital signal
  • Outstanding long-term stability
  • Extra components not needed
  • Long transmission distance, up to 100 meters
  • Low power consumption
  • 4 pins packaged and fully interchangeable
  • The DHT11 is a basic, low cost digital temperature and humidity sensor.
  • DHT11 is a single wire digital humidity and temperature sensor, which provides humidity and temperature values serially with one-wire protocol.
  • DHT11 sensor provides relative humidity value in percentage (20 to 90% RH) and temperature values in degree Celsius (0 to 50 °C).
  • The DHT11 sensor uses resistive humidity measurement component, and NTC temperature measurement component.

DHT11 Temperature and Relative Humidity Sensor Module Specifications: –

DHT11 digital temperature and humidity sensor is a compound sensor with calibrated digital signal output. It use dedicated digital module acquisition technology and the temperature and humidity sensor technology, ensure that the product has a very high reliability and excellent long-term stability.

 

Model DHT11
Power supply 3.3-5.5V DC
Output signal digital signal via Aosong 1-wire bus
Sensing element Polymer humidity resistor
Operating range humidity 20-90%RH; temperature 0~50Celsius
Accuracy humidity +-5%RH; temperature +-2Celsius
Resolution or sensitivity humidity 1%RH; temperature 1Celsius
Repeatability humidity +-2%RH; temperature +-1Celsius
Humidity hysteresis +-1%RH
Long-term Stability +-1%RH/year
Interchangeability fully interchangeable

 

Applications: –

This sensor is used in various applications such as measuring humidity and temperature values in heating, ventilation and air conditioning systems. Weather stations also use these sensors to predict weather conditions. The humidity sensor is used as a preventive measure in homes where people are affected by humidity. Offices, cars, museums, greenhouses and industries use this sensor for measuring humidity values and as a safety measure.

  • Measure temperature and humidity
  • Local Weather station
  • Automatic climate control
  • Environment monitoring
  • Weather station
  • Humidity controller
  • Test & detection device
  • HVAC, dehumidifiers,
  • agriculture,
  • cold chain storage,
  • testing and testing equipment
  • Consumer Goods,
  • Automotive,
  • Automatic Control,
  • Data Loggers,
  • Gas Like stations,
  • appliances,
  • humidity regulators,
  • medical, other related humidity detection and control.

 

Technical Details: –

DHT11 Digital Temperature and Humidity Sensor is able to measure temperature between 0 and 50 degrees with 2 degrees of error margin, likewise, it is able to measure humidity between 20% RH to 90% RH with 5% RH of error margin.

Typical accuracy (% RH) ±5
Operating range (% RH) 5 to 95
Humidity response time(s) 6
Typical accuracy (°C) ±1
Operating range (°C) -20~60
Temp response time(s)  10
Interface 1-Wire
Supply voltage(V) 3.3~5.5
Size: L*W*H (mm) 23.3*12.5*5.8

 

Package: –

1 x DHT11 Temperature and Relative Humidity Sensor Module

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  • Store Name: MODERN HALLROAD
  • Vendor: MODERN HALLROAD
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DHT11 Temperature and Relative Humidity Sensor Module for Arduino
DHT11 Temperature and Relative Humidity Sensor Module for Arduino

 250.00

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