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Product Overview

     SM2711A digital temperature and humidity sensor is a digital signal containing a calibrated output temperature and humidity sensor complex, it is the application-specific digital modules collection technology and temperature and humidity sensor technology to ensure that products with high reliability and excellent long-term stability. Sensor includes a resistive element and a sense of wet NTC temperature measurement devices, and with a high-performance 8-bit microcontroller connected. Therefore, the product has excellent quality, fast response, anti-interference ability, high cost and other advantages. Each SM2711A sensors are extremely accurate calibration of humidity calibration chamber. Calibration coefficients stored in the OTP program memory, internal sensor detection signals in the process to call these calibration coefficients. RS232 bus interface, makes system integration becomes easy and quick. Ultra-small size, low power consumption, signal transmission distance up to 1000 m above, making all kinds of applications and even the most demanding applications is the best option. 4-core wire form products for easy connection. Sensors using RS232 bus technology, based on industry MODBUS-RTU protocol is to achieve low-cost online monitoring of temperature and humidity practical integration of sensors.
      In order to facilitate networking and industrial engineering applications, this sensor uses MODBUS-RTU communication protocol widely used in industry to support secondary development. Users only need to use any serial communication software to query and set the sensor data according to our protocol. Temperature and humidity complex transfer digital temperature and humidity sensor is a digital signal containing a calibrated output



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