485 repeater, opto-isolated industrial-grade RS485 hub, 2-port signal amplifier, anti-interference and surge protection, 2-channel

485 High-Precision 360° Ultrasonic Wind Speed ​​and Direction Transmitter, Wind Speed ​​Sensor Integrated Weather Station

Ammonia sensor, high-precision NH3 transmitter, industrial, aquaculture, public toilet, greenhouse, experimental gas concentration detector

Carbon dioxide sensor, temperature and humidity greenhouse concentration monitoring, high-precision CO2 transmitter, gas detector

Temperature & Humidity Sensor RS-485 Output

Temperature & Humidity Sensor (4-20mA Output)