| Place of Origin: | Changsha, Hunan |
|---|---|
| Brand Name: | Winmeter |
| Certification: | OIMLR49/ISO4064/EN14154 |
| Model Number: | Residential Ultrasonic Water Meter |
| Minimum Order Quantity : | 100 |
| Packaging Details : | Carton Packaging |
| Delivery Time : | 30 days |
| Payment Terms : | T/T |
| Supply Ability : | 2000 per day (based on the number of the order) |
| Color: | Blue / transparent | Material: | Brass |
| Communication: | M1/NFC CPU Card, STS, RS485/M-Bus，wireless M-Bus, LoRaWAN, NB-IoT | Brand: | Winmeter |
| Place Of Origin: | Changsha Hunan | Level Of Protection: | IP68 |
| High Light: | Residential, Prepaid, AMR/AMI, RS485/M-Bus, Wireless M-Bus, LoRaWAN, NB-IoT | ||
The ultrasonic water meter is cold water meter designed for residential users and measuring flows of cold potable water. It is a high reliable measurement instrument, which complies with OIML R49/ISO 4064/EN 14154 standards.
lTechnical characteristics
Items | Parameters | ||
Meter Type | Ultrasonic Water Meter | ||
Nominal diameter(mm) | 15 | 20 | 25 |
Nominaldiameter(inch) | 1/2" | 3/4" | 1" |
Permanent flow rate Q3(m3/h) | 2.5 | 4.0 | 6.3 |
Minium flow rate Q1(L/h), R400 | 6 | 10 | 16 |
Q3/Q1 | R160/R250/R400 | ||
Accuracy class | Q1≤Q＜Q2：±5% Q2≤Q≤Q4：0.1℃≤T≤30℃：±2% T＞30℃：±3% | ||
Types of Indicating device | LCD：0~ 999999.99995m³ | ||
Temperature class | Cold:T30, T50; Hot: T70 | ||
Water pressure class | MAP10/MAP 16（16bar） | ||
Pressure-loss class | Δp63（0.63bar） | ||
Installation position | H/V | ||
The installation sensitivity class | U3/D3 | ||
Ball valve material | Stainless Steel or Nickel plated copper | ||
Ball valve lifetime | ≥10000 times | ||
Leakage of valve close | ≤0.1ｘDN drops/min@0.4MPa | ||
Material（Including Body, pipes and nuts.） | No less than 57% brass or Customized | ||
Electromagnetic and Environmental class | O,E2 | ||
Work Environment | -5℃~70℃，≤95%RH | ||
IP code | IP68 | ||
Notes：Metrological characteristics are in accordance with ISO4064:1993(Class D)
Items | Parameters | ||
Nominal diameter(mm) | 15 | 20 | 25 |
Overload flow rate qs/qmax(m3/h) | 3.0 | 5.0 | 7.0 |
Permanent flow rate qp/qn(m3/h) | 1.5 | 2.5 | 3.5 |
Transitional flow rate qt(L/h) | 17.25 | 28.75 | 40.25 |
Minium flow rate qmin(L/h) | 11.25 | 18.75 | 26.25 |
Class of measurement | Class D | ||
Accuracy class | qmin≤q＜qt：±5% qt≤q≤qs：0.1℃≤T≤30℃：±2% T＞30℃：±3% | ||
Water temperature | Cold：≤50℃，Hot：≤90℃ | ||
Water pressure | PN :1.0MPa/10bar，PN :1.6MPa/16bar | ||
Pressure-loss | ΔP≤0.1MPa@qs | ||
lElectronic characteristics
Items | Parameters |
Power Source | Lithium battery(replaceable) |
Battery Voltage | 3.6 V |
Battery Lifetime | 10 years@0~35℃ |
RF Card lifetime | ≥100000 times |
Communication Interface | Optical Wired M-Bus RS485 Wireless M-Bus LoRaWAN NB-IoT |
Electromagnetic and Environmental class | E1，O |
Work Environment | -5~70℃，≤95%RH |
IP Code | IP68 |
Key Features
lDN15~DN25, OIML R49/ISO 4064/EN 14154 Standard
lLow start flow: 1L/h
lDynamic range: Class C/Class D or R160/R250/R400
lInsensitive to scale and sand. No measurement of air
lIntegrated design of water meter and valve
lTouch key, Large size dot-matrix LCD and backlight
lLocal Optical Interface(IEC62056-21)
lNon-contact M1/NFC CPU card prepaid(ISO/IEC14443A) or STS4/6 prepaid(IEC62055-41)
lAMR/AMI(RS485/M-Bus, Wireless M-Bus, LoRaWAN, NB-IoT) communication
lPrepaid, AMR/AMI, Prepaid +AMR/AMI
lThe communication module is replaceable and supports dual module
lUltra-low power design, battery separation for metering and communication
lInstallation in any position
lIP68 protection, suitable for outdoor installation
Main Functions
Prepaid Functions
lSupport prepaid/postpaid mode, and it can be switched
lRF(M1 or NFC CPU) card prepaid
lSTS prepaid(TokenCarrier: RF card or UIU)
lMax.8 steps of water tariff
lAnti-storage , Insufficient water warning ,Self-defined overdraft
Communication
lOptical
lRS485
lWired M-Bus
lWireless M-Bus(EN13757.4),Walk-by/Driver-by
lLoRaWAN , LoRaWAN and Wireless M-Bus(Optional), EU868MHz/US902-928MHz
lNB-IoT, NB-IoT and Wireless M-Bus, Band5/8/20/28
lProtocol: EN13757.3, DLMS/COSEM, Modbus-RTU
Advanced Functions
lEmergency water, Holidays Management, Non switch-off during off-duty
lMonthly free consumption water
lCollect taxes and fee by water charges
Alarm and logger
lLow-Battery detection & log
lWater return, meter reversal and meter stop detection & log
lLeakage (continuous water use, valve failure, etc.) detection & log.
lAnti-tamper(open cover, open battery cover, remove meter, etc.) detection & log
lData logger, such as hourly data, daily data, monthly data, etc.
lEvent logger, such as top-up, valve open/close, etc.
Security
lData encryption, AES-128, STS.
lCommunication security.
Certificates
lISO4064
lSTS
lBall valve lifetime
lFor drinking water equipment
lIP68
Dimensions
Type | Dimensions（mm） | |||
L | W | H | Thread | |
DN15 | 165 | 95 | 103 | G3/4" |
DN20 | 190 | 95 | 103 | G1" |
DN25 | 260 | 95 | 103 | G1-1/4" |
