The ultrasonic heat meter measures the flow volume and display the heat energy released or absorbed by water flow when passing though the heat exchange system.
The temperature range is 4~95℃.
Measure the heat energy/ Measure the cold energy
Measurement unit: Kwh, Gcal, GJ, MWh
Communication Interface choice:
1. M-BUS
2. RS-485
3. Pulse output
4. LoRa/LoRaWAN
Frequency: LoRa/ LoRaWAN 865MHz, 902MHz, 868MHz, 915MHz, Customized Frequency Requirement
Technical Specifications:
Diameter （mm） qn （m³/h） qmin（m³/h） qmax （m³/h） Length(mm)DN50 15 0.6 30 200 DN65 25 1 50 200 DN80 40 1.6 80 225 DN100 60 2.4 120 250 DN125 100 4 200 250 DN150 150 6 300 300 DN200 250 10 500 350 DN250 400 16 800 450 DN300 600 24 1200 500 Range ratio R25 Measurement Accuracy EN1434、CJ128-2007 Class2 Connection Flange Pressure Loss ≦20KPa Pressure Level ≦1.6MPa Temperature sensor 3 m standard two lines PT1000 Temperature Sensor （cable length could be changed） Data Storage Continuous store of 38 months record Power-off Protection After power-off, meter could save all the record of before flow rate and the corresponding time, after power back, it recovery measure function automatically, and ensure the time continuation Communication mode Wired: Mbus, Modbus, RS485, Pulse Output Wireless: LoRaWAN Power Supply ER18505 Lithium battery (waterproof) Protection Class IP68 Environmental Class Class B Temperature Range （4～95）℃ Temperature Difference (3～70)K Installation Way Inflow or Return flow installation（Default is Inflow installation, for return flow need to indicate when ordering） Permanence Service cycle 10 years Display LCD display Anti-magnetic Disturbance When the intensity of magnetic field interference is not more than 100 ka/m, should not affect water meter measurement and remote transmission characteristics
Features:
1. Lithium battery life: 10 years
2. Archive: 38 Month data historical（ M-BUS, RS-485, Pulse output )
3. Installation choice: Water supply pipeline or Water return pipeline
4. Horizontal or Vertical installation
5. Accuracy: Class 2, meets EN1434
6. Measuring range (q s/q i =50:1)
7. Temperature sensor: PT 1000
8. Environment standard Class: B
9. Min. temperature difference: 3℃
10. Water pressure: ≤1.6Mpa
ENGLISH
RUSSIAN