RF Card water meter ; water meter ; DN15

RF Card water meter ; water meter ; DN15

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1000 pc

Supply Capability:: 30000 pc/month

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The RF card water meter (DN15) consists if a valve device, a movement, a sensor, a reducer, a battery, an electorinic module, and a radio frequency card. It has prepaid and cintrilled function.

It implements the CJ/T133 standard. The indication error and measurement width with the GB/T778.1 (equivalent to ISO4064).

The main technical parameters

Pulse constant: 10
Quiescent current: ≤6uA
Dynamic current: implements : ≤20mA
Actuator maximun current : ≤60mA
Working voltage: 2.8V to 3.6V
Q₁ to Q_2,excluding Q₂ indication error ≤±5%, Q₂ to Q₃ (including Q₂) indication error ≤±2%

Features

When the battery is not powered or the battery is replaced, the valve is automatically closed to effectively prevent water theft. When the battery is powered, the valve is automatically opened, which does not affect the user's water.
Anti-attack design, anti-magnetic, anti-vibration. When a magnetic object is close to the water meter, the valve is automatically closed to prevent the magnetic object from interfering with the meter.
Pre-paid function, after the card is recharged, the water is swiped, and the remaining amount or amount is automatically reduced when the water is used. The remaining amount is automatically closed.
For the query funtion, the user can query the remaining amount, water consumption and other related information on the water meter LCD.
One meter to one card, the user first puechases the water card and the water meter is bound, one water meter corresponds to one card is locked.
The card replenishment funtion, the replenishment card continues the data in the original meter and the amount or amount of water remaining
Anti fouling function, automatic opening and closing of the valve at regular intervals, not only prevent ball valve fouling, but also solve the lithium battery voltage hysteresis problem.
Power-down protection function, power off or no power, the microconteoller automatically saves data
Low voltage protection, when the battery voltage is lower than the set valve, the valve is automatically closed.

Flow point verification parameters and installation size parameters

Serial Number	Specification	Maximum flow Q₁	Maximum flow Q₃	Transitional flow Q₂	Minimum flow Q₁	Total length	Width	Height	Connection thread
1	DN15	3.125m³/h	2.5m³/h	0.02m³/h	0.02m³/h	165	82	100	GB 1/2'
2	DN20	4m³/h	4.0m³/h	0.032m³/h	0.032m³/h	195	82	100	GB 3/4'
3	DN25	6.3m³/h	6.3m³/h	0.0504m³/h	0.0504m³/h	225	82	100	GB 1'

Q:How to see the number of IC card intelligent water meter: If your water rate is double rate, after you insert the card, the remaining water charge is displayed on the LCD screen,

Q:Just renovated house, no water, water meters will turn? What's the reason?: In life, sometimes this phenomenon occurs: do not use water meters, "water meter idling" phenomenon. This is because the pipeline pressure causes changes in air temperature and mixed with water, memory air, pulsation and its effect to make installation in some position of water will slowly take the word phenomenon in no water, and the number is often accumulated increasing.

Q:What's the function of the water meter installing the soft joint? Do you have flanged connections or threaded connections?: General water meter joint is iron joint or copper joint, I do not know the meaning of LZ, may be soft joint in order to play a sealing role, instead of rubber gasket, to prevent leakage of water meters.

Q:What's the difference between installing vertical and horizontal water meters?: This situation may be due to property, or water management departments to carry out pipeline reconstruction, or in disguised form, through the exchange of water meters to charge high fees.

Q:The tap water, the water meter does not turn, what's the matter? The tap is all open: In this case, the result is inaccurate measurement, large leakage measurement. That is to say the user belongs to the white water. According to your question, you should not be a staff of the water company. Congratulations, you can pay less water later. Responsibility is not due to you, because the water meter belongs to the water company management.

Q:Service life specification of water meter: According to the National Technical Supervision Bureau issued the document No. [1991]374 regulations, 15 caliber 25mm life with water use shall not exceed 6 years, not 25 caliber 50mm more than 4 years, due to rotation. The industrial water meter is periodically tested, and the living water meter is only used for the first compulsory test, and the expiration date is rotated.

Q:Can you tell me the unit of measurement for standard water meter, ton or cubic meter?: Both are available. A ton is only a weight, and a cube is a sign of size.Because the proportion of water is 1g/c, is also very easy to work.

Q:Is the water meter really drip proof?: Product use and featuresThis series of water meters is used to measure the total amount of potable water flowing through the tap water with high sensitivity. The main features are as follows:Smaller starting flow, starting flow less than 0.5L/h; 16 times more than ordinary water meters;Water quality adaptability: because the water leakage mechanism and the water outlet between the drainage channel distance is 4mm, so you can through the following 4mm particles, so that the water leakage mechanism will not be blocked or blocked by impurities in the water;

Q:How much water can be overdrawn by a cassette meter?: The card marked (a chip), the first to open the cover of the water meter, a water meter card socket, a plug on the LCD digital display, digital Arabia, the remaining tonnage, if the water meter installed in the cabinet, see, with a lighter lighting, while to the left I 5T get a card inserted automatically without water, there is water, is equal to the tips. To buy water, then up to 50T, even the table of the word, that is 55T.

Q:Who's in charge of the water meter?: The water meter is a user account for water (if it is commercial housing user water meter is the real estate developers to open an account and deposit 100 yuan of water) by tap water company for the purchase and installation of the water meter, the ownership or user.

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