济南沛华信息科技有限公司
济南沛华信息科技有限公司
2022/PEVACMetering/SmartwatermetersR250IP68PPAMaterialCompositebodyT30/T50ReadyforNB-IoTThedesignofUltrasonicWU-220representsanewtechnologicalevolution
2022/PEVAC Metering/Smart water meters
| R250 IP68 PPA Material Composite body T30/T50 Ready for NB-IoT | The design of Ultrasonic WU-220represents a new technological evolution. We believe that any product must be not only technologicaly advanced but also nice to look at.The size of this meter led us to base the design thought on the green Rubik's cube one of the most familiar intellective toys to each of us. | |
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DN15,DN20,DN25 Body length(mm): 130(165)/130(195)/150(225) Accuracy class 2 Battery life time 8 years PN16 U5(U0)/D3(DO) NB-IoT | ||
This smart ultrasonic water meter is the new flagman of Peihua Metering Products. A new generation patented design,wide communication possibilities,IoT technology,high metering accuracy and an outstanding durable housing. These are just a few of that features that were fulfilled by the dedicated and proffession teams working in our Engineering and innovation departments. | ||
Technical Data | WU-220 Ultrasonic Water Meter | |||
Accuracy class | 2 | |||
Dynamic range R | 250 | |||
Nominal diameter(mm) | DN15 | DN20 | DN25 | |
Nominal flow rate Q3(m³/h) | 2.5 | 4.0 | 6.3 | |
Minimum flow rate Q1(m³/h) | 0.010 | 0.016 | 0.025 | |
Starting flow rate(m³/h) | 0.0015 | 0.0026 | 0.004 | |
Pressure loss class | △p40 | |||
| Display content | Total volume(m³)、Instantanecus flow rate(m³/h)、Water temperature(℃)、Operating time、Bettery level;etc. | |||
LCD display | 8-digits | |||
Display resolution ration | Total volume 0.001m³,Instantaneous flow rate 0.001m³/h | |||
Display range | Total volume:0m³~+99999.999m³ | |||
Key mode | Touch Key-press | |||
Data communication | Wireless | NB-IoT | ||
| Infrared | Infrared photoelectricity | |||
Data storage | Half-hourly, daily, mothly values of the mesured parameters, leakage, battery level indication | |||
| Maximum operate | 1.6MPa | |||
Temperature class | T30/T50 | |||
Straight piperun needed | U5(U0)/D3(D0)(Instauation in any position) | |||
Ambient class | O | |||
Electramagnetic environ- ment class | E1 | |||
Battery | 3.6-volt lithium thionyl chloride;10 years battery life | |||
Protecyion class | IP68 | |||
Ambient temperature | -25℃~+55℃，≤99%RH | |||
COMPOSITE BODY | IP68 |
DYNAMIC RANGE:R250 | DN15/DN20/DN25 |
INTERGRATED DUAL RADIO COMMUNICATION | BATTERY LIFETIME＞8 YEARS |
NB-IoT |
1. The diameter of the water meter selected by the user shall be determined according to the flow of the installed pipeline.
2. The installation position of the water meter shall avoid exposure, freezing, pollution and flooding, and shall be convenient for disassembly and assembly. In case of freezing, in addition to wrapping the water meter and water pipe, close the water inlet valve and open the water drain valve and faucet at the water outlet when not in use, so as to prevent the water meter from being damaged due to freezing expansion.
3. In order to measure the water meter accurately, the direction of the arrow on the table body must be consistent with the direction of water flow. The water meter shall be installed horizontally or vertically with the word facing upward. The outlet end of the pipe (faucet) shall be higher than the water meter.
4. Before installing the meter, the sand, sand, hemp and other sundries in the pipeline must be washed away to avoid water meter failure.
5. When installing the meter, add a control valve in front of the meter to facilitate disassembly. When maintaining the water meter, close the valve in front of the meter.
6. The water meter shall not be directly connected with the pipe. The water meter and the pipe shall be connected through the connecting pipe, sealing washer and connecting nut. During disassembly and assembly, do not pull hard to avoid damaging the meter case.
7. When the water meter breaks down, it cannot be disassembled by itself. It should be repaired by professional technicians of the water supply company.
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