Temperature and Humidity Sensor, Capacitive, One-wire/I2C

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$24.92

Temperature and humidity sensor includes a capacitive humidity sensor and a digital temperature sensor, built-in one high-performance 8-bit SCM, optional one-wire/I2C communication mode, with small size, excellent quality, fast response, all automated calibration, completely interchangeability, high cost performance, low power consumption, long signal transmission distance.

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SKU: ATO-TAHS-AM2320/2

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Overview

Temperature and humidity sensor has a capacitive humidity sensor and a digital temperature sensor, optional one-wire/I2C communication mode.

Application: Temperature and humidity sensor is widely used in HVAC, dehumidifiers, automobile, data loggers, humidity regulators, and humidity detection and control system.
Specification:

Item	AM2320	AM2322
Weight	0.5g
Dimension (LWH)	12.14.515.0mm	7.84.011.3mm
Communication mode	Optional one-wire and I2C
Supply voltage	DC 3.3-5.5V	DC 3.1-5.5V
Measuring range of relative humidity	0~99.9%RH
Measuring range of temperature	-40~+80℃
Accuracy of humidity	±3%RH	±2%RH
Accuracy of temperature	±0.5℃	±0.3℃
Resolution	0.1℃/0.1%RH
Long-term stability	＜0.5%RH/year, ＜0.1℃/year
Power consumption	＜350μA	＜200μA
Sampling period	2s
Response time	＜5s
Housing material	PC
Working environment	Temperature: -40~80℃, humidity: 0~99.9% no condensation
Storage environment	Temperature: 0~80℃, humidity: ＜95%RH
Wiring	1 red: VDD, 2 yellow: SDA (serial data), 3 black: GND, 4 white: SCL (serial clock, or connect to ground in one-wire mode)

Dimensional drawing (unit: mm):

Pin assignment:

Tips: Recovery processing of temperature and humidity sensor
The temperature and humidity sensor placed under extreme working conditions or chemical vapors can be restored to standard conditions by following procedures.

Maintain temperature and humidity sensor 2 hours (dry) at 45 ℃ and the humidity ＜10%RH.
Then maintain temperature and humidity sensor more than 5 hours at 20-30℃ and the humidity ＞70%RH.

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