All Categories

Smart Water Meter

Home > Products > Smart Water Meter

Residential Ultrasonic Water Meter


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)
Detail Information
Color:Blue / transparentMaterial:Brass
Communication:M1/NFC CPU Card, STS, RS485/M-Buswireless M-Bus, LoRaWAN, NB-IoTBrand:Winmeter
Place Of Origin:Changsha HunanLevel Of Protection:IP68
High Light:Residential, Prepaid, AMR/AMI, RS485/M-Bus, Wireless M-Bus, LoRaWAN, NB-IoT
Product Description

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.


Technical Parameters

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≤QQ2±5%

Q2≤Q≤Q40.1≤T≤30±2%

T30±3%

Types of Indicating device

LCD0~ 999999.99995m³

Temperature class

Cold:T30, T50; Hot: T70

Water pressure class

MAP10/MAP 1616bar

Pressure-loss class

Δp630.63bar

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

≤0.1DN drops/min@0.4MPa

MaterialIncluding 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

NotesMetrological 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≤qqt±5%

qt≤q≤qs0.1≤T≤30±2%

T30±3%

Water temperature

Cold≤50Hot≤90

Water pressure

PN :1.0MPa/10barPN :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

E1O

Work Environment

-5~70≤95%RH

IP Code

IP68


Features

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

7

Type

Dimensionsmm

L

W

H

Thread

DN15

165

95

103

G3/4"

DN20

190

95

103

G1"

DN25

260

95

103

G1-1/4"