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Temperture-Humidity

Temperture-Humidity

Temperture-Humidity

Temperture-Humidity

Temperture-Humidity

Temperature sensors are devices used to measure the temperature of a medium. There are 2 kinds on temperature sensors: 1) contact sensors and 2) noncontact sensors. However, the 3 main types are thermometers, resistance temperature detectors, and thermocouples. All three of these sensors measure a physical property (i.e. volume of a liquid, current through a wire), which changes as a function of temperature. In addition to the 3 main types of temperature sensors, there are numerous other temperature sensors available for use.

Contact Sensors

Contact temperature sensors measure the temperature of the object to which the sensor is in contact by assuming or knowing that the two (sensor and the object) are in thermal equilibrium, in other words, there is no heat flow between them.

Examples (below)

  • Thermocouples
  • Resistance Temperature Detectors (RTDs)
  • Full System Thermometers
  • Bimetallic Thermometers

A Humidity Sensor an instrument used for measuring the moisture content in the atmosphere. Humidity measurement instruments usually rely on measurements of some other quantity such as temperature, pressure, mass or a mechanical or electrical change in a substance as moisture is absorbed. By calibration and calculation, these measured quantities can lead to a measurement of humidity. Modern electronic devices use temperature of condensation (the dew point), or changes in electrical capacitance or resistance to measure humidity differences. The first practical hygrometer was invented by polymath Johann Heinrich Lambert in 1755.

 

AM2301 Temperature Humidity Sensor
SOLD OUT
Brand: Chinese Model: SEN-012
Features:1. 4-pin package 2. Ultra-low power 3. No additional components 4. Excellent long-term stability 5. All calibration, digital output 6. Completely interchangeable 7. Long distance signal transmission 8. Relative humidity and temperature measurementSpecification:Accuracy: ..
130.00EGP
Brand: Chinese Model: DHT11
DESCRIPTIONThe DHT11 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 (no analog input pins needed). Its fairly simple to use, but requires ca..
25.00EGP
Brand: Chinese Model: MOD-DHT11
DESCRIPTIONThe DHT11 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 (no analog input pins needed). Its fairly simple to use, but requires ca..
45.00EGP
DHT22 Temp/Humidity Sensor Module
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Model: MOD-DHT22
Description:1.Type:DHT22/AM2302  2.Accuracy resolution:0.1  3.Humidity range:0-100%RH  4.Temperature range:-40~80?  5.Humidity measurement precision:±2%RH  6.Temperature measurement precision:±0.5?  7.4-pin package  8.ultra-low power  ..
120.00EGP
Brand: Chinese Model: DS18B20
Description: This is the latest DS18B20 1-Wire digital temperature sensor from Maxim IC. Reports degrees C with 9 to 12-bit precision, -55C to 125C (+/-0.5C). Each sensor has a unique 64-Bit Serial number etched into it - allows for a huge number of sensors to be used on one data bus. This is a..
25.00EGP
DS18B20 WATERPROOF Temperature ‪‎Sensor
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Brand: Chinese Model: DS18B20-WP
Description: This is the latest DS18B20 1-Wire digital temperature sensor from Maxim IC. Reports degrees C with 9 to 12-bit precision, -55C to 125C (+/-0.5C). Each sensor has a unique 64-Bit Serial number etched into it - allows for a huge number of sensors to be used on one data bus. This is a..
45.00EGP
GY906 MLX90614-DCI IIC Long Distance Infrared IR Temperature Sensor Module GY-906
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Brand: Chinese Model: GY906-MOD
MLX90614-DCI IIC Long Distance Infrared IR Temperature SensorModule : GY-906 uses the MLX90614 chipDescriptionDistance measured: 50cmD —- 3V medical application accuracyC —- Temperature gradient compensationI —– 3 ° FOV (angle)Module model: GY-906-DCIUse chip: MLX90614-DCIPower supply: 3-5V (in..
2,500.00EGP
Brand: Chinese Model: KSD-01F
KSD-01F Temperature Control Switch Normally Open 90°C Degrees to 220°CKSD-01F temperature control switch product introduction: technical parameters: contact load: 220VAC 1A or 24VDC 3A Dimensions (total length × width × thickness): 29.7 × 10.2 × 4.7mm temperature range: 0℃-130℃ (every 5℃ Type) ..
15.00EGP
Brand: Chinese Model: KSD9700-100Deg
KSD9700 Temperature Control Switch Thermostat  Normally Closed 100°C degree Thermal protector temperature controller 5A/250VSpecification Action Temperature: 100°C Product Name: Thermal Protector Model: KSD9700 Switch Type: Normally ClosedProduct Specifications: Metal..
15.00EGP
Brand: Chinese Model: KSD9700-110Deg
KSD9700 Temperature Control Switch Thermostat  Normally Closed 110°C degree Thermal protector temperature controller 5A/250VSpecification Action Temperature: 110°C Product Name: Thermal Protector Model: KSD9700 Switch Type: Normally ClosedProduct Specifications: Metal..
15.00EGP
Brand: Chinese Model: KSD9700-115Deg
KSD9700 Temperature Control Switch Thermostat  Normally Closed 115°C degree Thermal protector temperature controller 5A/250VSpecification Action Temperature:115°C Product Name: Thermal Protector Model: KSD9700 Switch Type: Normally ClosedProduct Specifications: Metal ..
15.00EGP
Brand: Chinese Model: KSD9700-140Deg
KSD9700 Temperature Control Switch Thermostat  Normally Closed 140°C degree Thermal protector temperature controller 5A/250VSpecification Action Temperature: 140°C Product Name: Thermal Protector Model: KSD9700 Switch Type: Normally ClosedProduct Specifications: Metal..
15.00EGP
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