Extensible weighing transmitter and extensible weighing device

The utility model relates to an extensible weighing transmitter, which is characterized by comprising a data acquisition port used for being externally connected with a weighing sensor so as to acquire weighing data information; the control module is electrically connected with the data acquisition port and is used for acquiring the weighing data information and processing the weighing data information; the RS485 communication module is electrically connected with the control module and is used for being in communication connection with an external instrument; and the USB communication module is electrically connected with the control module and is used for being in communication connection with an external display through a USB interface, and the external display interacts with the control module through the USB communication module. The USB communication module can be externally connected with a display and key part as an independent operation panel, the extensible weighing transmitter is connected through