Hunan Changde Water Meter Manufacture Co., Ltd.
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Wireless remote reading domestic water meters digital cold water flow meter
Adopting wireless radio frequency technology, integrated micro-power multi channel embedded wireless module, the realization of the various parts of the wireless data transmission. The water can be used to realize remote measurement and storage, copy control, and can automatically detect the battery status, operation status and other information, support the price ladder. No difficulty in construction, also it has the advantages of cost saving, simple operation and convenient maintenance.
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| Diameter (DN) | High | Width | Length | Connection Thread | ||
| H1 | H2 | W | L | d | D | |
| 15 | 119 | 144 | 88 | 165 | R1/2 | G3/4B |
| 20 | 119 | 144 | 88 | 195 | R3/4 | G1B |
| 25 | 119 | 144 | 88 | 225 | R1 | G1 1/4B |
Main Tech. Parameters
| Diameter(DN)mm | 15 | 20 | 25 | ||
| Overload flow rate (Q4)m³/h | 3.125 | 5 | 7.785 | ||
| Normal flow rate (Q3)m³/h | 2.5 | 4 | 6.3 | ||
| Transitional flow rate (Q2)m³/h | 0.05/0.04 | 0.08/0.064 | 0.126/0.1 | ||
| Min. flow rate (Q1)m³/h | 0.032/0.025 | 0.05/0.04 | 0.078/0.063 | ||
| Measure Range(Q3/Q1) | 80/100 | ||||
| Measurement grade | Level 2 | ||||
| Working GHz | 470-510Mhz | ||||
| Working pressure | ≤1 M Pa | ||||
| Pressure loss | ≤0.063M Pa | ||||
| Operating Temp. | Cold water (T30):0.1℃~30℃ | Heat water (T90):0.1℃~90℃ | |||
| Flow profile sensitivity grade | U10,D5 | ||||
| Climate & mechanical environmental safety | Class B | ||||
| Electromagnetic compatibility level | E1 | ||||
|
| ≤25uA | ||||
| Working Voltage | 3.6V lithium battery | ||||
| Waterproof Level | IP68 | ||||