LXSZ RF Card prepaid water meter is certified by OIML R49 and MID 2004/22/EC, the meter with fashion style is popular used in worldwide. It workes with LAPIS vending system and provides perfect solution for non-swtich off time management, monthly frozen data, and monthly consumption limitiation, RTC, stepped tariff etc. Functions.
The meter is also in compliance with ISO4064, and certified by SGS on healthy certificate.
2.1 Processing Management
1) Total Use Data Statistics
The prepaid water meter will accumulate the total consumption automatically.
2) Meter Recharge
User can recharge the RF card in Water Authority Office, and put the RF card in the sensitive zone of water meter, the backlit of the LCD will be waken up and LCD display CD03, at the same time the buzzer ring, recharging meter finish.
3) Stock Limitation
The stock limitation of the water meter could be set through the user card, the total value refer to the sum of current purchasing value and the stock in the water.
4) Warning Value
When the Water Credit equals to the Warning Value, the valve will be closed. The meter valve can be activated by user card and continue to use until the balance to zero.
5) Overdraft Value
If the overdraft value is set in the system, the meter can continue working until the overdraft value is finished. The user can open the valve by user card when the credit in meter became 0.
6) Parameters Setting
The parameters of the meters such as warning value, stock limitation etc. Can be set through the preset card or user card.
2.2 Anti Magnetic Field
The meter valve will be automatically closed when the meter is interrupted by the external magnetic field. The user card can active the meter.
When the battery capacity drops to 20% of the initial value, the meter valve will be closed, reminding user to replace the battery, and the user must replace the battery. Meter can be activated by user card.
When the battery is used up, the meter valve will be closed and LCD display EC01, the data of the water meter will be saved to the FLASH.
When user has operations such as replacing the battery, recharging the meters, or the event like external magnetic influence happens, the LED, Buzzer and LCD will be working properly.
User Card can transfer battery voltage, magnetic interfering times etc. Information to the management system, for providing the evidence to judging meter running status.
3. Additional Functions
RTC with temperature compensation, the accuracy error is <0.432s/day.
3.2 Stepped Tariff
5 Levels stepped tariff according to the monthly consumption. The steeped price could be set in the system and transfer to the meter by HHU or tools card.
3.3 Friendly Time
During Non- Switch time, valve can be opened by User Card even the credit in meter has been used up.Maximum 100 holidays can be set into the meter through the tool cards.
3.4 Frozen Data
It divides into Monthly frozen data or daily frozen data.
The time could be set to either day in the month, default configuration in 15th, and the daily frozen time set to 0'clock.
Frozen data could be transferred to the meter through user card or check card. 3.5 Open cover detect When meter cover is opened illegally,LXSZ type meter will close its valve automatically.and It can be opened by User Card if the meter cover is closed. 3.6 Event record LXSZ type meter can record all the events happened during the lifetime of water meter,and event record consists of event type and event happened time.The event record information includes the following types 1)Battery replacement 2)Open/Close valve failure 3)Card read type & time 4)Open cover time 5)Magnetic inference time 6)Excess maximum flow time.