Hangzhou Laison Technology Co., Ltd.

Hangzhou Laison Technology Co., Ltd.

- Model LXSZ - Semi-Dry Type Prepayment Water Meter

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LXSZ Smart Card Prepayment Water Meter adopts liquid sealed type mechanical water meter, features in Prepayment, Real-time calculation & billing functions; It provides comprehensive , reliable, advanced smart prepayment solutions to water utilities & authorities; It has Real-Time clock (RTC), Real-Time monetary/volume calculation and monthly billing date frozen etc. functions. Meanwhile, it  has Friendly Time Period Management function, which could ensure continuously water usage during off-duty time, weekend & holidays even if water credit in meter becomes 0.

Moreover, it supports events record function to provide accurate records of operations, warnings and indications includes External Magnetic Interference, Battery Replacement, Valve Failure etc. during meter's lifetime;

It complies with OIML R49, ISO4064 etc. standards

1. Basic Functions: 

1.1 Accumulation Function
LXSZ can accumulate the consumed water volume/credit based on one month interval.
1.2 Meter Recharge
After purchasing water, customer can recharge meter by [customer card].
1.3 Anti-Storage Function
When purchased credit plus balance credit in meter > stock limitation, the credit in [customer card] can not be transferred into meter to prevent water storage.
1.4 Insufficient Water Warning
When balance credit equals to alarm value, buzzer beeps and valve will close once to remind customers that the water is about to used up. Valve can be switched on for continuously usage of water by [customer card] until balance credit becomes 0..
1.5 Overdraft Function
When balance credit becomes 0, if overdraft function is activated, customer can use [Customer Card] to open valve for continuous usage of water until the overdraft consumed credit equals to preset value, valve will be closed automatically.
1.6 Monthly Consumption Limitation
When monthly accumulated water consumption is more than monthly consumption limitation, valve will be closed and can not be opened in current month even the water balance in meter > 0

2. Advanced Functions:

2.1 Step Tariff
LXSZ adopts monetary calculation, when consumed credit exceeds the fixed water volume, the credit will be deducted according to the latest price multiply consumed volume. The billing is according to the monthly‘s accumulated water consumption on different steps. The meter can be set to maximum 5 steps and deducted credit by pulse equivalent.
2.2 Fiendly Time Period Management Function
During Friendly Period, customer can use [Customer Card] to continuously use water even  if water balance in meter becomes 0.
2.3 Event Record
LXSZ prepayment water meter can record all the events happened during the lifetime of water meter. Event record information consists of event type and event happened time.
The event records type includes the following types:
1) Battery Replacement (Meter Restart)
2) Open/Close Valve Failure
3) Card Reading Time & Card Type
4) Magnetic Interference 
2.4 Monthly Billng Data Record
LXSZ will store monthly consumption data at monthly billing date, meanwhile it recover the register to zero to calculate the next months consumption. Max. 10 years’ monthly consumption data can be recorded & inquired
2.5 Hourly Consumption Data Record
Hourly Consumption Data Record Function is optional in LXSZ Prepayment Water Meter, by which it shall record the the hourly water consumption data in 24 hours every day. By analysing these data, it could detect possible WATER LEAKAGE & BY-PASS situation if any. 
2.6 Anti-tamper Function
When magnetic interference happens, The valve will close automatically

3. Optional Functions:

3.1. Monthly Free Consumption Management
Some Country/Regions have policy that should offer Monthly Free Consumption Credit for each customer/family. Thus LXSZ can support monthly free consumption management function, which means X m3/month water is provided to customers for free.

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