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010-60439259 Telephone : 010-60439259
firstname.lastname@example.org Email: email@example.com北京市顺义区牛栏山工业区牛汇北五街9号 Address: No. 9 Niuhui North 5th Street, Niulanshan Industrial Zone, Shunyi District, Beijing
Large-caliber wireless remote transmission water meter refers to the DN40-300 caliber RF card type water meter for water supply pipelines. Large-caliber wireless remote transmission water meters can be recharged and purchased through radio frequency cards to improve water rate recovery and reduce waste of water resources.
In addition, the large-caliber wireless remote water meter can also choose an integrated large-caliber wireless remote water meter and a split-type RF card water meter according to different installation environments. Both adopt a fully enclosed structure. The card uses an RF card. When the RF card is near the control box, Touch the in-position switch or reed switch (using a magnetic core RF card). At this time, the main CPU of the controller starts the RF card reading and writing circuit to read and write the card and perform data exchange. After the data exchange is completed, it displays a new message on the LCD display. Data, the display is turned off after the wheel display ends, and power consumption has been saved in the sleep state.
Advanced technology of large-caliber wireless remote transmission water meter:
1. Using split control technology, that is, each set of large-caliber IC card smart water meters, consisting of a controller, a water meter transmitting base meter, and an electric valve, are easy to install and operate stably. If any part fails, maintenance and replacement parts are required. more convenient.
2. RF card technology, good waterproof performance.
3. AC 220V and backup battery supply power at the same time. When the power fails, the backup battery can be put into operation automatically; when the backup battery is low, the valve will be closed automatically.
4. Automatically alarm and close the valve when human damage occurs.
5. When the remaining amount of water purchased by the user is 100 tons, the controller will automatically close the valve to alarm, prompting the user to purchase water, and resume the water supply after swiping the user card again.
6. Close the valve immediately after the water meter is under attack. Only after the water sales department has inspected the water meter can the valve be opened for water supply.
7. After the purchased water is used up, if the controller can still receive the counting signal from the sending water meter after the valve is closed, the remaining water displayed by the controller will show a negative number and the valve will automatically close again.
8. It has the function of timing switching valve, which can effectively prevent the phenomenon of rust due to the valve not being opened for a long time.
Large-caliber wireless remote transmission water meter menu :
|project||Function and technical requirements|
|basic skills||Display function||Function display||Limit this input, this input, remaining water volume, accumulated water volume, payment, valve closing, valve opening, card error, battery replacement, attack sign.|
|Digital Display||The cumulative water volume value is 9999.9m3.|
|control function||Water control||When the remaining water volume is the alarm water volume, the valve will be closed. The card opens the valve until the water is used up and closes the valve. The user holds the card to purchase the water to open the valve, which can automatically control the water circuit.|
|low voltage||When the battery voltage is lower than the set value, the valve is closed. The user can open the valve by inserting the card, without changing the battery for 24 hours, and completely close the valve.|
|Power-on query function||Automatically query when power on, scan the circuit to determine whether it is normal.|
|Anti-theft and anti-cut||When the sampling signal line is cut, the valve is automatically closed and the attack symbol is displayed. The user cannot repair it, and the management staff must repair it.|
|Anti-magnetic attack||When a strong magnetic field approaches the base meter, the valve is automatically closed, the strong magnetic field is removed, and the user inserts the card to open the valve.|
|Battery and valve automatic protection function||The water meter automatically opens and closes the valve once a month.|
|Input water limit||The water meter sets a certain amount of stored water. When the amount of water purchased plus the remaining water is greater than a certain amount of stored water, the amount of water purchased cannot be entered this time.|
|Zero crossing processing||When the valve fails, the normal measurement and zero-crossing measurement are not affected. The user card feeds back the information to the host computer software for processing.|
|Pulse sampling moisture-proof function||The sampling circuit board and the sampling line are damp, the signals can still be output and collected normally, the data is not lost, and the power consumption is not increased.|
|Self-test function||The meter has an automatic check function that can check for bad drives, memory errors, card errors, write-back errors, etc.|
| use |
|Overhaul, data recovery function||When the user's water meter is damaged and needs to change the meter, insert the inspection card into the bad meter, read all the information in the meter, and transfer it back to the computer to make up for the new meter.|
|Initialization function||Insert the initialization card, clear all information in the table, and set various parameters.|
|Check card||When the water meter is abnormal, the check card can determine whether the system is normal.|
|Card replacement function||When the user card is lost, the card can be replaced.|
Weaving Dream 58 Technology Co., Ltd.
|400 Tel: 136-0128-5250|
|Mobile phone number: 15611467977|
|Address: Huiyi Company, Niulanshan Industrial Zone, Shunyi District, Beijing|
Order: Large-caliber wireless remote transmission water meter