... air cargo, by seaProducts SummaryTH300 temperature and humidity transmitter using a semiconductor sensitive components to measure temperature, humidity of the air. It is ... Simplicity: easy to install, easy to use;4) Intuitive: LCD display, intuitive information, the keyboard is easy to operate;5 ... to set Agreement: MODBUSData format: 1 start bit, 8 data bits, no parity , 1 stop bits Baud rate: 1200 ...