RLM(F)-15
Description: |
Models and Specifications
Model | Qn(m3/h) | Length(mm) | DN(mm) | Sensor length | Display | Romote | Class | RLM(F)-15-0.6 | 0.6 | 110 | 15 | 1.5m | kw/h | M-BUS | 2 | RLM(F)-15-0.6 | 0.6 | 110 | 15 | 1.5m | Gcal | RS-485 | 2 | RLM(F)-15-1.5 | 1.5 | 110 | 15 | 1.5m | kw/h | M-BUS | 2 | RLM(F)-15-1.5 | 1.5 | 110 | 15 | 1.5m | Gcal | RS-485 | 2 | RLM(F)-20-2.5 | 2.5 | 130 | 20 | 1.5m | kw/h | M-BUS | 2 | RLM(F)-20-2.5 | 2.5 | 130 | 20 | 1.5m | Gcal | RS-485 | 2 | RLM(F)-25-2.5 | 2.5 | 160 | 25 | 1.5m | kw/h | M-BUS | 2 | RLM(F)-25-2.5 | 2.5 | 160 | 25 | 1.5m | Gcal | RS-485 | 2 |
Features:
1. Flow-rate range: 0.6~2.5m3/h.
2. Min. temperature difference 3℃
3. Horizontal/vertical installation
4. Embedded and removable installation design to prevent damage during the adjustment period
5. Smart multi-flow design, capable of recording flow rate and volume
6. Advanced nonmagnetic sensing technology
7. High precision design, meeting Class 2 metering requirements of EN1434 and CJ128 standards
8. A lithium battery with service life exceeding six years
9. Optional remote RS485 or M-BUS output, convenient for remote systems
10. Payment settlement date renewable, 18-month data storage
11. 360 degree revolving monitor for easy reading
12. Inclined LCD for optimized viewing
13. Wide measuring range (q s/q i =100:1)
14. Low startup flow rate
15. Capable of measuring both heat and cold energies
16. For use at water inlet end (heat meters for return water end are available at the request of users)
17. PT1000 temperature sensor pair
18. Environment class: A
Main Technical Parameters:
Normal Flow(Qn) | 0.6m3/h | 1.5m3/h | 2.5m3/h | Flow range(m3/h) | 0.012~1.2 | 0.03~3 | 0.05~5 | Pressure loss(KPa/Qp) Reference diagram I | 24 | 24 | 24 | Start flow(L/h) | 3 | 5 | 7 | Max. Pressure(MPa) | 1.6 | Temperature range(℃) | 4~95 |
Pressure Loss Diagram:
Measuring Features:
1.Water pressure: No more than 1Mpa
2.Measuring Class & Max. Tolerance
This product is for Class 2 measurement, and the max tolerance is shown in the curve below:
E=±(3+4Δθmin/Δθ+0.02qp/q)%
Therein, Δθmin means the minimum temperature difference, and Δθ the actual temperature difference.
Dimensional Parameters:
Normal flow(Qn) | m3/h | 0.6 | 1.5 | 2.5 | Normal DN | mm | 15 | 15 | 20 | Body thread | ---- | G3/4”B | G1”B | G3/4”B | G1”B | G1”B | G1 1/4”B | Connection thread | ---- | 1/2” | 3/4” | 1/2” | 3/4” | 3/4” | 1” | Height | mm | 112 | 115.5 | 112 | 115.5 | 115.5 | 119.5 | Length | mm | 110 | 110 | 110 | 110 | 130 | 130 |
Pipeline Installation Diagram (for Meters Used at Inlet or Outlet for option):
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