Feature:
1. MAIN PURPOSE: To accurately control and provide feedback by reading the temperature and humidity values of AHT20.
2. EASY TO USE: Supports for RTU protocol and can be controlled and collected through RS485 communication.
3. ACCURATE AND SENSITIVE: Our temperature humidity sensor provides accurate readings and quick response to maintain optimal comfort and prevent damage.
4. WIDELY USED: Suitable for PLC control systems, thermistor sensors, constant temperature controllers, industrial systems, touch panels, thermometers, thermal sensitive systems, temperature and humidity in vegetable gardens, and more.
5. EASY INSTALLATION: With a small size and a light weight as well, this humidity sensor can be easily installed for putting into use soon.
Specification:
Item Type: AHT20 Temperature Humidity Sensor
Material: ABS
Working Voltage: DC 4.5-15V
Working Current: 4-7MA
Communication Protocol: For RTU protocol, 03, 04 read instructions, 06, 16 write instructions.
Serial Port Baud Rate: 9600 (default), no parity, 8 data bits, 1 stop bit.
Device Address: The default is 0 x 01. By modifying the 485 address, a maximum of 247 modules can be cascaded (if there are more than 16, please use RS485 repeaters).
Function: Read the temperature and humidity values of AHT20
AHT20 Sensor Specifications:
Item Type: AHT20 Temperature and Humidity Sensor
Temperature Accuracy: The typical value is ± 0.3 ℃, and the maximum value is ± 1.5 ℃.
Temperature Range: -40 ℃ to +85 ℃
Humidity Accuracy: ± 2% RH, maximum ± 6% RH
Humidity Range: 0 to 100 percent RH
Package List:
1 x
AHT20 Temperature Humidity Sensor
1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties.
2. duties,taxes,and charges are not included in the item price or shipping fee.
3. The duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase.
4. All disputes arising from the duties will be submitted to ebay for solution.