DHT22 humidity and temperature sensor

40.00

Measure temperature, humidity and dew point temperature with this single sensor and AstroLink device. 

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SKU: 000012 Category:

Description

DHT22 to czujnik temperatury oraz wilgotności. Może być podłączony do urządzenia AstroLink i umożliwia pomiar tych wartości. Dodatkowo może służyć do regulacji wyjść PWM, na przykład do kontroli mocy grzania opasek na podstawie aktualnie mierzonej wilgotności. Czujnik może również służyć do sterowania kontrolera PID. Więcej szczegółów na stronie AstroLink.


DHT22 is a humidity and temperature sensor. Can be connected to AstroLink device and then allows to measure these values, but also PWM output power can be controlled automatically, so for example connected dewcap heaters can be powered according to current humidity. Also AstroLink PID controller can use this sensor to automate cooling or heating power via PWM outputs. See manual for more details at AstroLink page.


DHT22 technical specifications:

  • sensing element: polymer capacitor
  • operating range: temperature -40 to +80C, relative humidity 0 to 100%
  • accuracy: temperature +-0.5C, humidity +-2%
  • cable length: select in options

Additional information

Weight 0.1 kg
Dimensions 10 x 10 x 5 cm
Cable length [m]

0.5, 1, 1.5, 2, 3

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