Shanxi pre-paid water meters

○ Card features: The table supports a card table, enabling electricity, gas, cold and hot water card. ○ Display: Users can intuitively view the meter information, such as this purchase of water, the remaining water, the cumulative amount of water, the switch valve condition, electricity reminders, clear display and intuitive. ○ pre-alarm function: When the remaining water reaches the set alarm value, the meter automatically off valve, to remind users to purchase water, users can continue to use the card, close the valve to the water is zero. ○ Off valve function: When the remaining water is zero, the meter automatically off valve before opening the card only after the user to purchase water valve. ○ Low voltage alarm: When the battery is low or replace the battery, the meter automatically off valve. ○ hoarding limit function: When more than a limited amount of recharge, water will not read card purchase of water until the water remaining in the water only when reading The purchase of water is less than the sum of the fixed limit. ○ attack prevention function: When the meter by external magnetic or ferroelectric attack, the meter automatically close the valve, lift the rear of the external interference only able to open the valve, and automatically records this attack information. ○ sewage rust function: automatic switching valve once water on a regular basis, to achieve automatic discharge valve, the valve to avoid fouling, rust and so on. ○ "three anti" function: fully sealed design, waterproof, leak-proof, anti-attack. ○ unique battery compartment design, easy to replace the battery.