RY-WS301 pen type temperature and humidity sensor
RY-WS301 pen type temperature and humidity sensor is developed and produced by Yunnong Wisdom Company, and has independent intellectual property rights. It mainly includes two models of RY-WS301 / S and RY-WS301 / 485. There is no difference in appearance. The main difference is in the output signal, as follows:
RY-WS301 / S ······· Output signal: 4-20mA (standard three-wire system)
RY-WS301 / 485 ······ Output signal: RS485 communication (MODBUS protocol)
The product can provide accurate measurement through third-party measurement and testing;
The product can be equipped with an outdoor protective cover (refer to RY-NT01 or RY-NT02 type outdoor light thermometer shelter) for outdoor measurement of ambient temperature and relative humidity.