سنسور دما و رطوبت AM2301/DHT21

این سنسور شامل یک رطوبت سنج خازنی و یک ترمیستور برای اندازه گیری دما است که خروجی آن به صورت پروتکل 1Wire می باشد . AM2301 مناسب سیستم های مرتبط با سنجش آب و هوا ، کنترل گلخانه ها و… است . خروجی این سنسور به صورت کالیبره شده و بسیار دقیق می باشد .

مشخصات :

ولتاز تغذیه 3.3V تا 5V

دارای سه سیم ، دو سیم تغذیه و یک سیم دیتا

خروجی 1Wire با امکان اتصال سیم تا 20 متر

دقت انداز گیری دما 1 درجه سانتیگراد

3 درصد دقت اندازه گیری رطوبت

وضوح اندازه گیری دما 0.1 درجه سانتیگراد

وضوح اندازه گیری رطوب 0.1%

رطوبت قابل اندازه گیری از 0 تا 100%

رنج دمای قابل اندازه گیری -40 تا 80 درجه سانتیگراد

Introduction

AM2301 capacitive humidity sensing digital temperature and humidity module is the one that contains the compound has been calibrated digital signal output of the temperature and humidity sensor. Application of a dedicated digital modules collection technology and the temperature and humidity sensing technology, to ensure that the product has high reliability and excellent long-term stability. The sensor includes a capacitive sensor wet components and a high-precision temperature measurement devices, and connected with a high-performance 8-bit microcontroller. The product has excellent quality, fast response, strong anti-jamming capability, and high cost. Each sensor is extremely accurate humidity calibration chamber calibration. The form of procedures, the calibration coefficients stored in the microcontroller, the sensor within the processing of the heartbeat to call these calibration coefficients. Standard single-bus interface, system integration quick and easy. Small size, low power consumption, signal transmission distance up to 20 meters, making it the best choice of all kinds of applications and even the most demanding applications. Products for the 3-lead (single-bus interface) connection convenience. Special packages according to user needs.

Specification

P/N: AM2301 / AM2301A
Signal output: single-bus digital signal
Sensing element: capacitive humidity
Scope of work: humidity 0-100% RH; temperature -40 ~ 80 ℃
Accuracy: Humidity accuracy ± 2% RH;
Temperature Accuracy ± 0.5 ℃
Resolution: humidity 0.1% RH; temperature 0.1 ℃
Repeatability: humidity ± 0.5% RH; temperature ± 0.2 ℃
Hysteresis: ± 0.3RH%
Stability: ± 0.5% RH / Year
Interchangeability: fully interchangeable
Response time: 6S
Specifications: 14 * 18 * 5.5mm

Applications

HVAC
dehumidifier
testing and inspection equipment
consumer goods
automotive
automatic control
data loggers
home appliances
humidity regulator
medical
weather stations
and other humidity measurement and control and so on.