SONBEST SM2130B-NH3 RS485 Interface NH3 Ammonia Sensor User Manual

This user manual is for the SM2130B-NH3 RS485 Interface NH3 Ammonia Sensor by SONBEST. It includes technical parameters, wiring instructions, and communication protocol for easy integration with PLC, DCS, and other monitoring systems. Learn how to use this high-precision sensor with excellent long-term stability to monitor ammonia state quantities.