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- Commodity name: NB remote valve controlled purified water meter
NB remote valve controlled purified water meter
keyword:
water meter
Products Detail
The electronic readings of this water meter are based on the coding samplingtechnology, and the water meter connects to the internet and communicates viaNB-lOT, so as to realize automatic remote transmission of the water consumption of thewater meter and for the management department to control the water consumption of thewater meter. The water meter is easy and convenient to read, thus being especiallysuitable for environments with wiring difficulty and scarcely populated areas. The watermeter conforms to the technical requirements in CJT224-2012 ElectronicRemote-reading Water Meter.
◎尺寸及重量 Dimensions and weight
公称口径 DN (mm ) | 长L Length | 宽B Width | 高H Heigit | 连接螺纹 Connecting Thread |
15 | 165 | 85 | 114 | G3/4B |
20 | 195 | 85 | 114 | G1B |
25 | 225 | 85 | 114 | G1-1/4B |
◎技术参数 Technical parameters
公称口径 DN (mm ) | 过载流量Q4 Max Flow | 常用流量Q3 Q3Nominal Flow | 分界流量Q2 Transitional | 最小流量Q1 Q1Min Flow |
15 | 3.125 | 2.5 | 0.05 | 0.031255 |
20 | 5 | 4 | 0.08 | 0.05 |
25 | 7.875 | 6.3 | 0.126 | 0.07875 |
压损损失等级Grade of pressure loss |
| ДР63 | ESD保护ESD protection | > 10KV |
工作温度Max Temperature |
| 40°C (cold) or 90°C(hot) | 防护类型Protection type | IP68 |
工作电压Working voltage |
| 3.6V | 电池使用寿命Battery Iife | ≥6年 |
本地维护 Local maintenance |
| 1路TTL 3.3V | 公称压力Nominal pressure | Р≥1.0MPa |
环境相对湿度Ambient relative humidity |
| ≤95% | 上行通讯upward communication | GPRS/NB-IoT |
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