Dry-dial Hot IC Card Prepaid Water Meter

Functions of using 
New meters insert card for the first time. please write the card number and meter number into new meter to make sure one household can use 8 meters at the same time.
Function of purchasing
water Water meter will quickly show the remaining volume of water consumers can use as soon as one inserts the card.
Enquiry card
Water meter will quickly show the remaining volume of water consumers can use as soon as one inserts the card. When water meter turns unregulatly, management people can judge the system regular or not by "enquiry card".
Function of renewing
When consumers lose the card, they can renew it.
Function of storing
The data stored in water meter can be kept for over 10 years in the situation of loss of electricity.

Standard and main parameters
Technical standard: standards CJ/T133-2001 and GB/T778.1-1996
Water maters with the allowably maximal error which accords with the standard of GB/T778.1B
Conditions of using: The allowably maximal temperature (MAT)90
The allowably maximal pressure(MAT)1MPa
Working Voltage: DC3V

Water Meter
The data stored in water meter can be kept for over 10 years in the situation of loss of electricity.