SONBEST SM2130-CH20 Interface Formaldehyde Tester User Manual
Discover the user manual for the SM2130-CH20 Interface Formaldehyde Tester by Shanghai Sonbest Industrial Co., Ltd. Learn about specifications, wiring instructions, data reading and modification, and frequently asked questions about baud rate and device address changes. Gain insights into using the RS485 interface and MODBUS-RTU protocol for efficient monitoring applications.