The mechanical heat meter use advanced nonmagnetic technology, 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℃.
Measurement unit: Kwh, Gcal, GJ
Battery life span: 10 years
Archive: 38 months for M-BUS, RS-485, Pulse output
Communication interface:
1. M-BUS
2. RS-485
3. Pulse output
4. Water Meter Impulse output, connects Heat Meter, M-BUS/RS-485 output. Maximum connection of water meter: 4pcs( 2pcs hot water meter, 2pcs cold water meter), Archive: 36 months, 184 days, 1440 hours.
Models and Specifications
| Model | Qn(m3/h) | Length(mm) | DN(mm) | Sensor length | Display | Communication interface | Class |
| SJMB-15-0.6 | 0.6 | 110 | 15 | 1.5m | Kwh, Gcal | 1.M-BUS 2.RS-485 3.Pulse output 4. LoRa/ LoRaWAN 5.Water Meter Impulse output, connects Heat Meter, M-BUS/RS-485 output. | 2 |
| SJMB-15-1.5 | 1.5 | 110 | 15 | ||||
| SJMB-20-2.5 | 2.5 | 130 | 20 |
Features:
1. Interface: RS-485, M-BUS, or Pulse output
2. Lithium battery life span: 10 years
3. Archive: 38 Months
4. Installation choice: Water supply pipeline or Water return pipeline
5. Horizontal installation
6. Accuracy: Class 2, meets EN1434 and CJ128 standards
7. Top counter: 360 degree
8. Measuring range (q s/q i =100:1)
9. Temperature sensor: PT 1000
10. Environment standard Class: A
11. Min. temperature difference: 3℃
12. Water pressure: ≤1.6Mpa
Main Technical Parameters:
| Normal DN | mm | 15 | 15 | 20 | |||
| Qn | m3/h | 0.6 | 1.5 | 2.5 | |||
| Qmax | m3/h | 1.2 | 3 | 5 | |||
| Qmin | m3/h | 0.012 | 0.03 | 0.05 | |||
| Body thread | ---- | G3/4”B | G3/4”B | G1”B | |||
| Connection thread | ---- | 1/2” | 1/2” | 3/4” | |||
| Height | mm | 105 | 105 | 105 | |||
| Length | mm | 110 | 110 | 130 | |||
| Pressure loss(KPa/Qp) | 8 | 22 | 24 | ||||
INSTALLATION:
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