A prepaid water meter is a type of water meter, it is divided into other subcategories. Now that this kind of water meter has gradually spread to the citizens, it brings a lot of convenience. This time, let's take a look at its varieties.

RF water meter: RF card is a non-contact IC card. The non-contact IC card has a radio frequency transceiver circuit related circuits, does lead out contacts. Our commonly used bus IC cards belong to this type. A radio frequency card water meter is a prepaid water meter that uses a radio frequency card as a data exchange carrier. Its function is basically the same as the IC card water meter.

Code data exchange water meter: Code data exchange water meter is an intelligent prepaid water meter that uses code exchange data technology. Code data exchange water meters use a set of deformed data codes instead of using a specific data exchange carrier (such as an IC card) to transmit exchange prepaid water purchase quantity data.

IC card water meter: a more common one, IC card water meter is a prepaid water meter that uses IC card as a data exchange carrier. The IC cards that we commonly use, such as IC cards used in public phones for IC cards some bank cards with chips, are IC cards. There is a chip on one side of the card, the contacts on the chip can contact the outside world to transfer data. According to the form of data transmission between the IC card the outside world, there are two types of contact IC card non-contact type (also called radio frequency induction type) IC card. What we generally call an IC card water meter usually refers to a contact IC card.

Function: Adopt special imported microprocessor (MSP430 series produced by American TI company), ultra-low power consumption design. One table one card function: the newly issued user card is inserted into the new table, the table will automatically recognize save the proprietary code in the card, the code will be automatically recognized when the card is inserted next time, that is, the table automatically matches the card to prevent illegal Card use. The large-screen LCD often shows: water data, valve status, battery status at a glance.

Space is limited. Only three types of prepaid water meters are introduced here. If you want to know more, you may wish to visit our website to find related information.