The product USES industrial-grade chips, high precision imported SHT20 temperature and humidity sensors to ensure excellent reliability, high precision and interchangeability.The RS485 hardware interface (with lightning protection design) is adopted, and the protocol layer is compatible with the standard industrial modbus-rtu protocol.This product is a combination of MODBUS protocol and common protocol. Users can choose the communication protocol by themselves. The common protocol has the function of automatic uploading (connecting RS485 will automatically output temperature and humidity through the serial port adjustment tool).

Product highlights:

• Industrial grade product, high progress SHT20 temperature and humidity sensor, RS485 communication;
• The standard MODBUS protocol is integrated with the common protocol, and users can choose the communication protocol by themselves.
• The baud rate can be set by itself.
• Common protocol with automatic upload function, upload rate can be set by itself. 

Product parameters:

• Working voltage: dc4-30v (maximum not exceeding 33V)
• Maximum power: 0.2w
• Working temperature: temperature 20 ℃ + 60 ℃, humidity 0% RH to 0% RH
• Temperature control precision: plus or minus 0.3 ℃ (25 ℃), humidity + / - 3% RH (25 ℃)
• Output interface: RS485 communication (standard MODBUS protocol and custom common protocol). See protocol description for details
• Device address: can be set to 1-247, default is 1
• Baud rate: default is 9600 (user can set), 8 bit data, 1 bit stop, no check
• Size: 60 * 30 * 18

Shenzhen Ruize Technology Co., Ltd., is a well-known electronic component company.

Over these years, adhering to the "honesty, quality first" principle, with excellent product quality, enthusiastic service, and wide range of products, we gained a high degree of trust from our customers. 
No matter you are domestic or foreign businessmen, we are always ready to make you satisfied.

We sincerely welcome your business negotiations, share mutual benefit and common development.