Ultrasonic Cold Water Watch with Modbus Communication

1. Communication interface and protocol: photoelectric reading head (standard configuration)R——RS485 interface: EN1434 or MODBUS protocol M——M-BUS interface: EN1434 or CJ188 

2. Power supply mode: built-in lithium battery power supply RS485 communication requires DC12V power supply (power supply not included)

3. Temperature grade: T50 

4. Protection level: IP65 Pressure level: PN16

5. Range ratio: R100 (default), R160, R250 (optional price is negotiable) Accuracy grade: Class II

6. Installation method: H/V (vertical or horizontal) 

7. Installation environment: B (installed indoors) 

8. Sensitivity level: U5, D3 

9. Electromagnetic environment: E1 (residential, commercial and light industrial)

10. Pipe section: brass Note: Communication interface and protocol, temperature grade are optional