STS Prepaid Wireless Smart Cold Water Meter WMFK-P300 with Valve Control Unit
Company Profile
Willfar Information Technology Co., Ltd.
- Established in 2004;
- Listed on the STAR Market of the Shanghai Stock Exchange in December 2019;
- Leading supplier of meter reading (AMI) equipment and operation service;
- The first company to develop "One DCU Reading Multi-meter" solution in China;
- The first company to have large-scale application of technologies and systems like "CPU smart-card Charge and Control", "One DCU Reading Multi-meter", LoRa-based RF Communication and "District Metering Area (DMA)”
Introduction
1. The WMFK-P300 which consists of User Interface Unit (UIU) , wireless valve control unit(VCU) and water meter.
2. The water meter is a rotary piston water meter designed for measuring flows of cold potable water. It is a high reliable measurement instrument, which is comply with OIMLR49/ISO4064/EN14154 standards. It is an ideal product that can be used in residential area.
3. Accuracy class of water meter exceeds Class C(R160), Material of body is engineering plastic .
4. The UIU acts as a remote display and keypad for water meter, and it could be connected with meter by RF interface .
5. The prepayment module of VCU conform to the STS standard IEC62055-41
Technical Parameters
| Item | Parameter |
| Meter Type | Volumetric |
| Nominal diameter(mm) | 15 | 20 |
| Valve length(mm) | 80 |
| Meter length(mm) | 110 | 130 |
| Permanent flowrate Q3(m3/h) | 2.5 | 2.5 | 4 |
| Q3/Q1 | R160 |
| Accuracy class | Class 2 |
| Error | Q1≤Q＜Q2 | 5% |
| Q2≤Q≤Q4 | 2% |
| Types of Indicating device | combination of analogue and digital devices |
| Indicating range | 0~99999.99995 |
| Temperature class | T30 |
| Water pressure class | MAP10(10bar),MAP 16(16bar) |
| Pressure-loss class | Δp63(0.63bar) |
| Installation position | H,V |
| The installation sensitivity class | U0/D0 |
| Electromagnetic and Environmental class | E1,B |
| Battery life-time | ≥5 years(typical) |
| Radio Frequency Band | (433~435)MHz,(470~510)MHz |
| Maximum Transmit Power | 50mW,100mW |
| Valve life-time | ≥7000 times(typical) |
| Work Environment | 0.1℃~50℃,≤93%RH |
| IP code | IP68 |
Certificate
OIMLR49/ISO4064/EN14154/STS IEC62055-41
Features
1. Separation design of water meter and control valve , which can be installed H/V and can be used independently.
2. Separation design of water meter and UIU,
3. the water meter can be installed in a place where you can't touch it .
4. IP68 protection
Basic Functions
1. LCD display
2. Prepayment, Max.8 steps of water tariff
3. Insufficient water warning
4. Self-defined overdraft
5. Anti-storage (purchase limitation)
6. Anti-magnetic Interference & record
7. Low-Battery detection & record
8. Anti-tamper detection & record
9. History data
Advanced Functions
1. Support purchase water by mobile
2. Holidays Management
3. Non switch-off during off-duty
4. Monthly free consumption water
5. Collect taxes and fee by water charges
6. Anti-leak detection
Situations
Residential and commercial
Dimensions
| Nominal size(mm) | L1(mm) | L2(mm) | H(mm) | W(mm) |
| 15 | 195 | 215 | 151 | 110 |
| 20 | 215 | 235 | 151 | 110 |
Product Tags:
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High Accuracy Smart Water Meter Cold Water Meter WMFK-P300 With Valve Control Unit Images
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