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Residential Prepaid 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)
Place of Origin:Changsha, Hunan
Brand Name:Winmeter
Certification:OIML R49/ISO 4064/EN 14154/STS IEC62055-41
Model Number:Residential Prepaid Water Meter
Detail Information
Color:WhiteMaterial:Brass
Communication Protocol:STS, M1card,RS485,M-BusBrand:Winmeter
Place Of Origin:Changsha HunanLevel Of Protection:IP68
High Light:

Residential, Prepaid, RS485/M-Bus

Product Description

The water meter is a horizontal dry dial multi-jet cold water meter designed for measuring flows of cold potable water. It is a high reliable measurement instrument, which complies with OIML R49/ISO 4064/EN 14154 standards.

Measuring range of water meter is better than Class B(R80/R100), Material of body is copper.


Technical Parameters

lMechanical characteristics

Items

Parameters

Nominal diameter(mm)

15

20

25

Overload flow rate Q4(m3/h)

3.125

5.0

7.875

Permanent flow rate Q3(m3/h)

2.5

4.0

6.3

Transitional flow rate Q2(L/h)

50

40

80

64

126

100

Minium flow rate Q1(L/h)

31.25

25

50

40

78.75

63

Q3/Q1

R80/R100

Accuracy class

Q1≤QQ2±5%

Q2≤Q≤Q40.1≤T≤30±2%

T30±3%

Types of Indicating device

0~99999.99995m³

Temperature class

Cold:T30, Hot:T90

Water pressure class

MAP 1010barMAP 1616bar

Pressure-loss class

Δp630.63bar

Installation position

H

The installation sensitivity class

U3/D3

NotesMetrological characteristics are in accordance with ISO4064:1993(Class B)

Items

Parameters

Nominal diameter(mm)

15

20

25

Overload flow rate qs(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)

120

200

280

Minium flow rate qmin(L/h)

30

50

70

Class of measurement

Class B

Accuracy class

qmin≤qqt±5%

qt≤q≤qs0.1≤T≤30±2%

T30±3%

Water temperature

Cold≤30Hot≤90

Water pressure

PN :1.0MPa/10barPN :1.6MPa/16bar

Pressure-loss

ΔP≤0.1MPa@qs

lElectronic characteristics

The electronic characteristics of the wireless water meter:

Items

Parameters

Power Source

Lithium battery(replaceable)

Battery Voltage

3.6 V

Battery Lifetime

≥ 6 years(Typical)

Valve lifetime

≥10000 times

Card lifetime

≥100000 times

Communication Interface

RS485, M-Bus

Electromagnetic and Environmental class

E1B

Work Environment

0~50≤93%RH

IP Code

IP68


Features

Key Features

lDN15~DN25, Multi-jet, Super dry

lOIML R49/ISO 4064/EN14154 Standard

lClassB or R80/R100MAP16, T50,ΔP63

lIntegrated design of water meter and valve

lButton,LCD and backlight

lNon-contact M1 card prepaid(ISO/IEC14443A) or STS4/6 prepaid(IEC62055-41)

lRS485/M-Bus communication

lPrepaid + RS485/M-Bus

lIP68 protection


Main Functions

Prepaid Functions

lSupport prepaid/postpaid mode, and it can be switched

lM1cardprepaid(Optional)

lSTS prepaid(TokenCarrier: RF card or UIU Key board)(Optional)

lMax.8 steps of water tariff

lAnti-storage (purchase limitation)

lInsufficient water warningSelf-defined overdraft

Communication

lWired M-Bus /RS485

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 Event logs

lAnti-magnetic detection & log

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,tilt, etc.) detection & log

lHistory data, such as hourly data, daily data, monthly data, etc.

lEvent log, such as top-up, valve open/close, etc.

Security

lData encryption, AES-128, STS.

lCommunication security.

Certificates

lISO4064

lBall valve lifetime

lSTS

Dimensions

5

Type

Dimensionsmm

L

W

H

Thread

DN15

165

98

110

G3/4"

DN20

190

98

110

G1"

DN25

225

98

114

G1-1/4"