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
Communication interface choice: M-BUS, RS-485, Pulse output
Lithium battery life span: 10 years
Models and Specifications
| Model | Qn(m3/h) | Length(mm) | DN(mm) | Sensor length | Display | Romote | Class |
| SJMD-15-0.6 | 0.6 | 110 | 15 | 1.5m | Kw/h, Gcal | M-BUS, RS-485, Pulse output | 2 |
| SJMD-15-1.5 | 1.5 | 110 | 15 | 1.5m | Kw/h, Gcal | M-BUS, RS-485, Pulse output | 2 |
| SJMD-20-2.5 | 2.5 | 130 | 20 | 1.5m | Kw/h, Gcal | M-BUS, RS-485, Pulse output | 2 |
Features:
1. Interface: RS-485, M-BUS, Pulse output
2. Lithium battery life: 10 years
3. Archive: 38 Month data historical
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
| 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 | 110 | 110 | 110 | |||
| Length | mm | 110 | 110 | 130 | |||
| Pressure loss(KPa/Qp) | 8 | 22 | 24 | ||||
INSTALLATION:
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