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Smart Water Meter

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Commercial and Industrial Prepaid Water Meter


Minimum Order Quantity :100
Packaging Details :Carton Packaging
Payment Terms :T/T
Place of Origin:Changsha, Hunan
Certification:OIMLR49/ISO4064/EN14154
Delivery Time :30 days
Supply Ability :2000 per day (based on the number of the order)
Brand Name:Winmeter
Model Number:Commercial and Industrial Prepaid
Detail Information
Color:WhiteMaterial:Brass/Cast iron
Communication Protocol:STS, M1card,RS485,M-BusBrand:Winmeter
Place Of Origin:Changsha HunanLevel Of Protection:IP68
High Light:

Commercial, Industrial, Ball valve, Prepaid, RS485/M-Bus

Product Description

The water meter is a dry dial woltmann cold water meter designed for measuring flows of cold potable water. It is a high reliable measurement instrument, which complies with OIMLR49/ISO4064/EN14154 standards.

Measuring range of water meter is better than Class B(R160).Material of meter body is modular cast iron.

Technical Parameters

lMechanical characteristics

Items

Parameters

Nominal diameter(mm)

50

65

80

100

Overload flow rate Q4(m3/h)

50

50

78.8

125

Permanent flow rate Q3(m3/h)

40

40

63

100

Transitional flow rate Q2(m3/h)

0.4

0.4

0.64

1

Minium flow rate Q1(m3/h)

0.25

0.25

0.4

0.63

Q3/Q1

R160

Accuracy class

Q1≤QQ2:±5%

Q2≤Q≤Q40.1≤T≤30:±2%

T30:±3%

Types of Indicating device

0~999999.999m³

Temperature class

T50

Water pressure class

MAP 1010bar),MAP 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)

50

65

80

100

Overload flow rate qs(m3/h)

30

50

80

120

Permanent flow rate qp/qn(m3/h)

15

25

40

60

Transitional flow rate qt(m3/h)

3

5

8

12

Minium flow rate qmin(m3/h)

0.45

0.75

1.2

1.8

Class of measurement

Class B

Accuracy class

qmin≤qqt±5%

qt≤q≤qs0.1≤T≤30℃:±2%

T30℃:±3%

Water temperature

Cold:≤50

Water pressure

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

Pressure-loss

ΔP0.1MPa@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

lDN50~DN100, Woltmann, Super dry

lOIML R49/ISO 4064/EN 14154 Standard

lClassB or R160MAP16, T50,ΔP63

lSeparated 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

lM1 card prepaid(Optional)

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

lMax.8 steps of water tariff

lAnti-storage (purchase limitation)

lInsufficient water warning, Self-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 and meter stop detection & log

lLeakage (continuous water use, valve failure, etc.) detection & log.

lAnti-tamper 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

Dimensions

2

Size

L

H

D1

D2

n-M

DN50

535

390

165

125

4-M16

DN65

465

390

185

145

4-M16

DN80

634

390

200

160

8-M16

DN100

634

390

220

180

8-M16

Flanged end connections conform to ISO 7005.