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Humidity and Temperature Sensor for dehumidifier AHT21B ASAIR
  • Humidity and Temperature Sensor for dehumidifier AHT21B ASAIR

Humidity and Temperature Sensor for dehumidifier AHT21B ASAIR

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Meorient Import & Export Co.LTD
Meorient Import & Export Co.LTD
China - Hangzhou
Trading Company
Trade Capacity
Export Percentage
Nearest Port
Hangzhou,Shanghai
Accepted Delivery Terms
Employees
5-10人
Accepted Payment Currency
USD,CNY
Average Lead Time
45 Day(s)
Certifications
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Product Details
Product SpecificationsProduct Description
Product Specifications
--
Product Description
Overview
Quick Details
Model Number:
AHT21B
Type:
Humidity Sensor
Place of Origin:
Guangdong, China
Brand Name:
ASAIR
Usage:
Temperature & Humidity Test
Theory:
Capacitive
Output:
I2C, I2C
Description:
AHT21B
Temp Range:
-40~+80℃
Hum Range:
0~100%RH
Temp Accuracy:
±0.3℃
Hum Accuracy:
±2%RH
Power supply:
2.2-5.5V
Packaging & Delivery
Humidity and Temperature Sensor for dehumidifier AHT21B ASAIR from China supplier
Humidity and Temperature Sensor for dehumidifier AHT21B ASAIR from China supplier

Product Summary

AHT21B is an integrated temperature and humidity sensor module developed based on AHT21. The product is equipped with a newly designed ASIC dedicated chip, an improved MEMS semiconductor capacitive humidity sensor element and a standard on-chip temperature sensor element. The PCB board uses Immersion gold technology prolongs the service life of the product; output calibrated digital signal, standard I2C format, with the characteristics of calibration-free, fast response, strong anti-interference ability, high precision, high quality, high stability, etc.
Humidity and Temperature Sensor for dehumidifier AHT21B ASAIR from China supplier
Humidity and Temperature Sensor for dehumidifier AHT21B ASAIR from China supplier
Humidity and Temperature Sensor for dehumidifier AHT21B ASAIR from China supplier
Humidity and Temperature Sensor for dehumidifier AHT21B ASAIR from China supplier
Parameter
Condition
MIN
TYP
MAX
Unit
Interface
Standard I²C
-
I²C
-
-
Supply Voltage
-
2.2
3.3
5.5
V
Temperature Range
-
-40
-
+80
℃
Humidity Range
-
0
-
100
%RH
Temperature Accuracy
-
-
±0.3
-
℃
Humidity Accuracy
-
-
±2
-
%RH
Response time
τ 63%
-
8
-
s
Prolonged Drift (Temp)
-
-
<0.1
-
℃/yr
Prolonged Drift (Hum)
-
-
<1
-
%RH/yr
Characteristic Table
Humidity and Temperature Sensor for dehumidifier AHT21B ASAIR from China supplier
Humidity and Temperature Sensor for dehumidifier AHT21B ASAIR from China supplier
Humidity and Temperature Sensor for dehumidifier AHT21B ASAIR from China supplier
Humidity and Temperature Sensor for dehumidifier AHT21B ASAIR from China supplier
Note
1. The power supply voltage of the host MCU must be consistent with the sensor when the product is used in the circuit.
2. If you need to further improve the reliability of the system, you can control the sensor power supply.
3. When the sensor is just powered on, give priority to the sensor VDD power supply, SCL and SDA high level can be set after 5ms.
Humidity and Temperature Sensor for dehumidifier AHT21B ASAIR from China supplier
Humidity and Temperature Sensor for dehumidifier AHT21B ASAIR from China supplier
Humidity and Temperature Sensor for dehumidifier AHT21B ASAIR from China supplier
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Send Enquiry
To: Lily Liu
Meorient Import & Export Co.LTD
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