tek603 0.2.0

Async Python library for Proteus Ecometer (TEK603) ultrasonic level sensors

tek603

Async Python library for Proteus Ecometer ultrasonic liquid level sensors (TEK603 protocol) over USB serial or from an IP-socket (socat).

Measures distance to liquid via ultrasound and reports level, temperature, and tank capacity.

Installation

pip install tek603

Usage

import asyncio
import serial_asyncio_fast
from tek603 import TEK603

async def main():
    transport, protocol = await serial_asyncio_fast.create_serial_connection(
        asyncio.get_event_loop(),
        TEK603,
        "/dev/ttyUSB0",  # or "socket://192.168.2.97:2001"
        baudrate=115200
    )

    def on_data():
        print("Level:", protocol.read_sensor(2), "cm")
        print("Temp:", protocol.read_sensor(1), "°C")

    protocol.register_callback(on_data, dp_nbr=2)
    await asyncio.sleep(60)

asyncio.run(main())

Sensors

ID	Name	Unit
1	Temperature	°C
2	Liquid level	cm
3	Available capacity	l
4	Total capacity	l

Hardware

• Proteus Ecometer USB (CP2102 / Silicon Labs USB-to-serial adapter)
• Protocol fully reverse-engineered; reference: sarnau.info

License

MIT