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NFC Prepaid Residential Water Meter with Card

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NFC Prepaid Residential Water Meter with Card

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Brand Name : DOWLER

Model Number : DN15-25

Certification : ISO 4064

Place of Origin : CHINA

MOQ : 1000

Price : $35

Delivery Time : 15 work days

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NFC Brass prepaid residential water meter with card

At present, domestic residential water meters mainly include the following: card prepaid water meter, wireless remote water meter, wired remote water meter. Card prepayment water meter transfers pre stored data through CPU card or logic encryption card. This method is reliable for pre stored data, but it brings many problems to the supervision of water company. It is unable to monitor the status and consumption information of user water meter in real time, resulting in many management loopholes. Both wireless remote transmission and wired remote transmission are managed by centralized reading through network. The cost of networking is relatively high, and the impact of networking on the environment is relatively large, which brings inconvenience to the maintenance of the system. Moreover, power consumption is also a technical problem of centralized meter reading, and there is no effective solution for the time being.

NFC Prepaid Residential Water Meter with Card

<span font-size:13.6px;line-height:17.9875px;background-color:#ffffff;"="" style="box-sizing: border-box; color: rgb(46, 48, 51);">In order to improve the shortcomings of traditional prepaid water meters, starting from the working mode and protocol architecture of NFC(Near Field Communication), the system power consumption is greatly reduced by using the wake-up mechanism of NFC protocol, and a prepaid smart water meter with NFC Communication function is designed and implemented. The user does not need to move to the water charge charging point to recharge the water charge or inquire the water consumption at home. The management department can also get the status of the water meter in time and grasp the detailed historical water use data of the user. It can not only meet users' demand for quick payment, but also facilitate water department management.

Our advantages:
1.We are professional water meter manufacture in China since 2005.
2.covers an area 43,500 square meters,constructions areas 28,580 square meters.
3.1,300,000 units per year production,40% export.
4.Annual sales approx $30,000,000-$36,000,000.
5.productions ,sales turn over and export status:experences to Southeast Asia,Asia India,Vietnam, Myanmar, Thaliand, Malaysia, Cambodia, Singaporp, Pilipinas,Saudi Arabia,Pakistan,Bangladesh,Nepal,Kuwait, South America: Peru, Uruguay, Argentina,Brasil,Ecuador,North America:Mexico,Canada,America, Europe:Russia,British,Spain,Ukraine,Iceland
6.Nearly 300 employees include professional engineer and techcian .
7.Our water meters passed through ISO 9001,ISO14001,ISO18001 certificate and ISO4064 standard,also tested by SGS .
8.Types of water meter :IC/RF card water meter,AMR water meter,Multi jet water meter,single jet water meter,wolumetric water meter,woltman water meter.

Brief Introduction:
IC Card Water Meter is developed from dry or wet-type basic water meter, composed of microchip module, controlling valves, LED display, IC Card & reader, and accounting management system.
1. The figure of water volume is displayed directly on screen
2. The water using could be controlled as prepaid method

Features:
Multi jet, dry or wet dial; Brass or iron body, electronic meter;
Battery life is more than 6 years.
Accurate measure due to anti-jamming and magnetic features based on non-magnetic sample patents technology


Item

Functions

Display

LCD screen

Display status of input water volume, surplus water volume, total volume, payment, closed, open, error, low battery, under attack

Digital show

maximum total water volume9999.9m3

Water supply control

Auto closes the valve when water volume is little, and open when inserting new prepaid card.

Auto control

Low battery alarm

Auto closes the valve when battery is low, prompt to change the battery.

Hardware security

Auto closes the valve when the pulse line is cut off, and alarm under attack, which must repaired by administrator.

Anti magnetic attack

Auto closes the valve when strong magnetic close to the meter, need inserting card to reopen the meter.

Power off detection

Detecting the circuit after power up to check normal or not.

Waterproof

Reading card as normal even the meter part is in water.

Auto maintenance

Automatic switch valve for discharge once a month.

Water quota

You can set a limit to use water. Unable to input water volume more than limit.

Zero-crossing solution

User information would feedback to the superior software for processing when the valve failure to close in zero-crossing. Extra water volume will be record.

Working features

Moisture-proof
pulse line

The pulse output is not affected by moisture, data will record as normal.

Multi-application card

The first inserting of card in a new water meter will write in Card No. User ID, Water Volume. A card would serve in a total of 4 set of cold water meter, hot water meter, heat meter and pure-water meter at the same time.

Data Recovery

When the meter is damaged, please insert the read-in card to collect user data and transfer data by inserting to a new meter.

Initialization

Remove all information in the meter by inserting Initialization card, and set the starting line of water meter.

Control card

When the meter break down, please insert control card to detect fault or to force the valve open.

Card Reissue

You can register a new card with original data if lost the user card.


Technical Data:


Model (DN)

15D

20D

25D

Overload Flow
Qmax(m3/h)

3

5

7

Normal Flow
Qn(m3/h)

1.5

2.5

3.5

Transitional Flow
Qt(m3/h)

0.12

0.2

0.28

Min.Flow
Qmin(m3/h)

0.03

0.05

0.07

Technical Standards

ISO4064, GB/T778, JB/T8802, JJG686, CJ/T133

Valve Life

≥5,000 times

IC Card Life

≥100,000 times

Min.Reading

0.0001 m3

Max.Reading

99999 m3

Power Supply

3.6V lithium battery, life≥6 years

Security

Unique Card/Meter

IC Card Life

≥ 100000 times

Static Working Current(uA)

≤6

Error Qmin to Qt

≤±5%

Error Qt to Qmax

≤±2%

Working Condition

Indoor using, relative humidity ≤93%,
Cold water Meter ≤40°C,Hot water meter≤90°C,
Water quality conforms to the National tap water standard


About us:
Our factory are a professional manufacturer of intelligent water meters and heat meters, with the capacity of product development, casting, CNC machines, testing and assembling. The company locates in high quality water meter base, the town of Baishabu, Lanshan district, Linyi city, Shandong Province. The factory covers 30 thousand square meter with 300 efficient staff. Our advanced production equipment of more than 70 CNC machine and more than one hundred testing machines for DN15-25, DN32-40, DN50-200 water meter and heat meter. All we have can satisfied with the demand of kinds of types of water meters and heat meters with the daily output of 5000 pieces. Under our constant effort on researching, till now we applied successfully for 16 skill patent on products.


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