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R444A01 DC 5V 12V 24V Digital display Modbus RTU RS485 Temperature humidity sensor Module AM2320 replace DHT11 DHT22 DS18B20 PT100

R444A01 DC 5V 12V 24V Digital display Modbus RTU RS485 Temperature humidity sensor Module AM2320 replace DHT11 DHT22 DS18B20 PT100

  • Model: R444A01_A
  • Availability: In stock
  • Weight: 0.031Kg
US$10.99
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Product Name: DC 5V 12V 24V Digital display Modbus RTU RS485 Temperature humidity sensor Module AM2320 replace DHT11 DHT22 DS18B20 PT100
 
 
Package inlcuded:
 
1 pcs R444A01_A Digital display RS485 Temperature and humidity sensor(With a simple shell)
Description: 
 
Working voltage : DC 5-40V(6.5-28V recommended)
 
Working  current : Digital tube turn off is 5MA(12V), Digital tube turn on is 18MA(12V)
 
MODBUS RTU protocol,03 Read,06 Write.
 
Serial baud rate : 9600(default),N,8,1
 
By modifying the RS485 address, up to 247 module s can be connected (More than 16 devices, it is recommended to use RS485 repeater)
 
Temperature and humi dity sensor is AM2320
 
The voltage conversion module is DD4012SA,a High-efficiency and Low-heat voltage Converter
 
Size : Module is 59 X 30 X 18MM,Shell is 73 X 37 X 23MM
 
Weight : Module is 16g,Shell is 16g
 
Note: 
With the built-in sensor version (R444A01_A), turn on the display for a long time will Will let the temperature rise 1-2 degrees Celsius. It is recommended to turn off the digital tube, or use a version with an external sensor (R444A01_B)
For more information, please contact me
 
 
How to use:
1 Display "Eror" after power-on
If "Eror" is displayed for a long time, it indicates that the sensor is not connected or is damaged
2 After 5 seconds, display the temperature or humidity
3 Trigger " KEY "button to switch the display temperature and humidity.(This parameter is powered down memory)
4 Press and hold the "KEY" button for 3 seconds to turn off or turn on the display.(This parameter is also powered down memory)
 
Note: If the digital tube is turn off after power-on, press and hold the "KEY" button until the digital tube is turn on
 
Typical application:
 
Indoor and outdoor temperature and humidity measurement
Temperature and humidity monitoring in vegetable garden
Weather forecasting, and monitoring
Temperature and Humidity Monitoring in Computer Room
Warehouse temperature and humidity monitoring
 
Sensor parameters:
 
 
Wiring diagram:

 

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* Delivery Time.
We need 1-2 days to process your order before shipping.There are two shipping methoed. Fast Delivery: The delivery time for US, European countries the delivery will take 3-5 days.Slow Delivery: The delivery time for US, European countries the delivery will take 10-15 days.
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* Lost Package Policy.
If a package did not arrive in 4 weeks after the shipping date, then this package is treated as Lost. In this case a new package will be shipped to the customer provided we are able to give the same items as those purchased by the customer. If we are not able to provide the same items to substitute the lost ones we will either propose to the customer similar items or refund their cost as it will be mutually agree with the customer. If one or more items neither the same nor similar are available to be shipped, the customer can request to cancel the order entirely, thus the total cost of the order including shipping and handling cost will be fully refunded.

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