Hunan Changde Water Meter Manufacture Co., Ltd.
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AMR wireless residential smart water meter
Product features:
1. Data transmitted through GPRS & NB-IoT, safe and reliable
2. The mechanical & electrical separation structure, easy maintenance & replacement
3. The design of double Hall sensor can realize the forward and backward metering of water meter, ensure the complete synchronization of mechanical & electrical separation type, and there is no accumulative error.
4. Long time battery life, 6 years ;
5. Report magnetic interference, low voltage, abnormal alarm to meter reading platform
Main technical 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/800Mhz | ||||
| Working pressure | ≤1 M Pa | ||||
| Pressure loss | P63(≤0.063M Pa) | ||||
| Operating Temp. | Cold water (T30):0.1℃~30℃ | Hot water (T30):0.1℃~90℃ | |||
| Flow profile sensitivity grade | U10,D5 | ||||
| Climate & mechanical environmental safety levels | Class B | ||||
| Electromagnetic compatibility level | E1 | ||||
|
| ≤25uA | ||||
| Working Voltage | 3.6V lithium battery | ||||
| Waterproof Level | IP68 | ||||
Shape dimension & weight:
| Diameter(DN) | Length (mm) | Width (mm) | Height(mm) | Connection thread | |
| L | W | H | d | D | |
| 15 | 165 | 91 | 142 | R1/2 | G3/4B |
| 20 | 195 | 91 | 142 | R3/4 | G1B |
Accuracy:
Low region max. allowable error:
From Q min inclusive up to but excluding Qt is±5%.
High region max. allowable error:
From Qt inclusive up to and including Q max is±2%.
