DHT22 Temperature and Humidity Sensor
السعر الأصلي هو: 7,000 د.ا.4,500 د.االسعر الحالي هو: 4,500 د.ا.
DH22 is a high performance temperature and humidity sensor capable of long distance signal transmission, ensuring high reliability and excellent stability.
- الوصف
الوصف
Overview
DHT22 is a high performance temperature and humidity sensor, ensuring high reliability and excellent stability.
It uses a capacitive humidity sensor to measure the relative humidity and a negative temperature coefficient thermistor (NTC) to measure the temperature. Those sensing elements are pre-calibrated and the output is provided as a digital signal. Data can be read once every 2 seconds.
Specifications
- Operating Voltage: 3.3 V to 5 V
- Current: 2.5 mA
- Humidity sensing range: 0 to 100% RH
- Humidity measurement accuracy: 2 to 5% RH
- Temperature measurement range: -40oC to 80oC
- Temperature measurement accuracy: ±0.5oC
- Response time: 2 seconds
- Dimensions: 27 x 59 x 13.5 mm
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