| SUBJEC | FUNCTION AND DEMAND OF TECHNOL OGY |
| FUNCTION OF DISPLA | Display of function | Pay money,shut up the valve,misread the cards,low voltage.check up the leak and shut up the valve. |
| Display of number | 9999.9(stere unit) |
| FUNCTION OF CONTROL | Shortage of capacityof batteries | When the capacity of batteries is lower than the set value,the water meter will give an alarm and hint to change batteries. |
| Theft proof and snipproof | When sampling single is cut,the water meter will give an alarm,shut up the valve and show the sign of attack.The consumers can not repair,for it must be repaired by manager. |
| Function of antimagnetism | When the additional magnetism closes the meter,the water meter give an alarm and shut up the valve automatcally,while the strong magnetism leaves,one inserts card will open the valve. |
| Restric on inputwater | One can setup "restrictive volume of water purchase"to prevent the consumers from stocking up the volume of water. |
| Impulse sampling'sfunction of dampproof | When sampling circuitry and string are damped,the single can still reqularly output and collect to make sure data not lose and loss not add. |
| Valve's unreguar measurement | When valve happens to malfunction,regular measure and over-zero measurement will not be affected. |
| FUNCTION OF USING | One card but many meters | New meters insert card for the first time,please writer the card number and meter number into new meter to make sure one household can use 8 meters at the same time. |
| Function of purch asing water | Water meter will add the volume of water automatically and show the remaining as soon as the consumers insert IC cards purchased. |
| Enquire the remaining | Water meter will quikly show the remaing volume of water consumers can use as soon as one insorts the card. |
| Enquiry card | When water meter turns unregulatly.Manager can judge the system regular or not by "enquiry card". |
| Function of renewing | When consumers lose the card,they can renew ti. |
| Function of storing data | The data stored in water meter can be kept for over 10 years in the situation of loss of electricity. |
