... transmitter) u Modbus RS485 communication interface, 15 KV antistatic protection, individual IP address u Provide two easy ways for calibration ... u Anti-epidemic and disease prevention, sanitary inspection, environment protection, health protection, etc. G09-O3 series is the best device used ... Interface Modbus RTU protocol with 19200bps(default) 15KV antistatic protection Working Condition -20℃