Model: RLB-15～40
Specifications
Using battery power supply, it can work for 5 years under normal conditions.
Easy installation
Choose high-quality materials, stable and reliable performance, beautiful appearance
Built-in memory device, data can be stored regularly to ensure No data loss when replacing the battery
The base meter adopts a new type of hot water meter, which is wear-resistant, high temperature resistant and has a long service life.
Note: The technical parameters of this series of water meters conform to the international standard ISO4064.
Have hot water meter and copper Shell and iron shell are available for customers to choose
| Model |
Flow meter (m3/h) |
Temperature sensor (℃) |
| Nominal flow rate (qp) |
Boundary flow (qt) |
Minimum flow rate (qmin) |
Temperature measurement range |
Temperature difference range |
| RLB-15 |
1.5 |
0.15 |
0.06 |
4～90 |
3～90 |
| RLB-20 |
2.5 |
0.25 |
0.10 |
4～90 |
3～90 |
| RLB-25 |
3.5 |
0.35 |
0.14 |
4～90 |
3～90 |
| RLB-40 |
10 |
1.0 |
0.40 |
4～90 |
3～90 |
Main technical parameters
| Display mode |
8-digit LCD, 2 buttons display |
| The cold and heat rotation method of the cold and heat meter |
Automatic mode (measure the calorific value of the inlet water temperature "the temperature difference of the return water temperature" 2℃ for more than 15 minutes; otherwise measure the cooling capacity) |
| Temperature range |
4℃～90℃ |
| Temperature difference range |
3K～9K |
| Temperature resolution |
0.01℃ |
| Calculate pressure |
0.6Mpa |
| Power supply |
Lithium battery |
| Battery life |
5 years |
| Using ambient temperature |
-40℃-----55℃ |
| Transport and storage temperature |
-40℃-----60℃ |
| Environmental level |
C level |
| Pulse output (optional) |
Light separated double pulse output, one is used to measure heat, one is used to alarm |
Water temperature: cold water meter not higher than 40℃ (hot water meter not higher than 90℃) and not lower than 0℃
pressure: not more than 1MPa maximum allowable error
Terms of use
From the low zone including the minimum flow rate (qmin) to excluding the boundary flow rate (qt) ±5%
From including the boundary flow rate (qt) to the high zone including the overload flow rate (qs) ± 2% (±3% for hot water meter)
Dimensions and weight
| Model |
Caliber |
Length L |
Width B |
Height |
Connecting thread |
| mm |
| RLB-15 |
15 |
165 |
98 |
159 |
G/4B |
| RLB-20 |
20 |
190 |
98 |
161 |
G1B |
| RLB-25 |
25 |
230 |
103 |
167 |
G11/4BB |
| RLB-40 |
40 |
245 |
124 |
202 |
G2B |
