3. Ranging resolution: 1mm
4. Pressure: Less than four atmospheric pressure
5. Display: With LCD to display liquid levels
6. Analog output: 4-20mA\
7. Digital output: RS485, Agreement Modbus or customization agreement (four-wire)
8. Power supply: DC24V or AC220V
9. Ambient temperature: -20℃--+60℃
10. Protection grade: IP65
11. Installation: Nut or flange