www.pnlabvn.com
Ảnh sản phẩm thuộc về PNLAB
Thông tin chi tiết sản phẩm |
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Tên sản phẩm: |
Cảm biến độ ẩm DHT11 |
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Giá: |
30.000 |
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Tình trạng: |
Liên hệ |
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Xuất xứ: |
China |
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Hãng sản xuất: |
China |
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Mã sản phẩm: |
DHT11 |
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PDF Download: http://www.ic5188.com/PDF/DHT11.pdf
I. Product Overview
DHT11 digital temperature and humidity sensor is a digital signal containing a calibrated temperature and humidity combined sensor output. It uses a dedicated number
Module acquisition technology and the temperature and humidity sensor technology to ensure high reliability products with Song and excellent long-term stability. Sensor includes a
A resistive element and a sense of wet NTC temperature measurement devices, and with a high-performance 8-bit microcontroller connected.
Second, the application range
HVAC, dehumidifiers, testing and inspection equipment, consumer goods, automotive, automation, data loggers, weather stations, home appliances, humidity
Regulators, health care, other relevant humidity measurement and control.
Third, the product highlights
Low-cost, long-term stability, relative humidity and temperature measurement, excellent quality, fast response, anti-interference ability, long distance signal transmission
From the digital signal output, precise calibration.
Four dimensions (Unit: mm)
Fifth, the product parameters
Relative humidity
Resolution: 16Bit
Repeatability: ± 1% RH
Accuracy: 25 ℃ ± 5% RH
Interchangeability: fully interchangeable
Response time: 1 / e (63%) 25 ℃ 6s
1m / s air 6s
Hysteresis: <± 0.3% RH
Long-term stability: <± 0.5% RH / yr
Temperature
Resolution: 16Bit
Repeatability: ± 1 ℃
Accuracy: 25 ℃ ± 2 ℃
Response time: 1 / e (63%) 10S
Electrical Characteristics
Power supply: DC 3.3 ~ 5.5V
Supply Current: 0.3mA Standby 60μA measure
Sampling period: times greater than two seconds
Pin Description
1, VDD power supply 3.3 ~ 5.5V DC
2, DATA serial data, single-bus
3, NC NC
4, GND grounding, power negative Song
Electrical Characteristics
VDD = 5V , T = 25 ° C, unless otherwise marked
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Parameters |
Conditions |
min |
typ |
max |
Unit |
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Powered by |
DC |
3 |
5 |
5.5 |
V |
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Supply current
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Measurement |
0.5 |
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2.5 |
mA |
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Average |
0.2 |
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0.5 |
mA |
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Standby |
100 |
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150 |
uA |
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Sampling period |