PRODUCT FEATURES

Large diameter smart meter is used to measure the total amount of water flowing through the drinking water pipes of the instrument, can apply to the majority of water company's application needs. The product after years of my company's large table for the study and the development of high-tech electronic products, the use of micro-computer as the core, the smart card as the transmission medium and a high-tech instrument, with micro-power, accurate measurement, beautiful appearance Features. Completely without manual meter reading, to provide a lot of protection of modern life, a water supply department and property management department important measurement management tools.

Module display content

Instructions

 1, the user account: After the meter is installed in the user card is not brush when the valve has been opened, then use the meter overdraft water, when the user first to the table brush user card, indicating that the table has been opened, will automatically Deduct the amount of water used.
2, the user to buy water: the user will be purchased over the water user card into the RF sensor area, the module will display as shown in Figure 1, shows that "" is exchanging data, followed by the new purchase volume.

3, the reading method: Users usually want to see their own water usage, the user card into the water meter RF induction wake-up water meter, then the LCD screen shows you the latest cumulative amount of water, the remaining water, the amount of new water purchases parameter.
4, credit card error: If the user in the process of credit card swipe too fast or did not put the best position will display the wrong card characters and then display the total, the remaining new purchases. (When this happens, the user do not worry, will not cause any loss, please re-swipe the user can) as shown in Figure 2

5, off the valve alarm:
(1) The remaining water is not enough, when the remaining water is reduced to alarm water (alarm water set by the management department), it will automatically close the valve to remind users to buy water in time, then users can use their own user card to swipe the valve to continue Water. When the remaining water reduced to 0, you can brush the user card will open the valve into the overdraft state continue to use water (when management has set the amount of overdraft water), when the continued exhaustion of water after the valve automatically shut down, will not be able to use the user card Open, only the user to re-purchase water recharge before you can open the valve to continue to use water, and minus the amount of overdraft water has been used.
(2) battery power failure Tip: when the meter battery voltage is lower than the set value, there will be a power failure, the water meter valve will automatically shut down, this time can be opened by the user card to continue to use water, 48 hours, if not replace the battery, will be completely off Valve, the valve can only be opened after the replacement of the battery, the battery should be promptly notified to the management department to replace the battery when lack of power.
6, Fault Tip: When the valve fails (such as: due to the weather is cold, the valve icing) or for other reasons caused the valve failure, then the LCD screen displays a fault prompt, it should promptly to the management department Response to solve.
7, the user card: user card is lost, go to the management department to reissue a user card.

Outline description

Installation instructions

The maximum allowable error of the water meter: ± 5% from the lower zone including the minimum flow rate Q1 to not including the demarcation flow rate Q2; and ± 2% including the demarcation flow rate Q2 to the upper zone including the overload flow rate Q4.