Volumetric Water Meter

Product Detail

LXHZ Volumetric Type Prepayment Water Meter




LXHZ Smart Card Prepayment Water Meter adopts Volumetric 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. 
RFID Card acts as the media to transfer data between Center System and Meter, the Communication Frequency between RFID Card and Meter is 13.56MHz + 7kHz
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 Open Cover & Anti-magnetic etc. functions to prevent meter tampering and also has events record function to provide accurate records of operations, warnings and indications during meter's lifetime;It complies with OIML R49, ISO4064 etc. standards




Item		Unit	Model
			DN15		DN20
Diameter		mm	15		20
Q3		m3/h	2.5		2.5
R			160		160
Accuracy Class			2		2
Q2/Q1			1.6		1.6
Error	Q2=Q=Q4		2%
	Q1=Q		5%
Working temperature		?	0.1~50
Max. working pressure		MPa	1.6
Pressure loss		MPa	=0.063
Rated working voltage		V	3.6V
Static working current		Ua	= 8ua
Battery Lifetime		Year	=6 (Theoretically)
Pulse equivalent		m3	0.1
IP level			IP68
Communication Frequency between RFID Card and Meter		MHz	13.56MHz + 7khz




1. Basic Functions: 

1.1 Accumulation Function
 LXHZ 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
 LXHZ 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
 LXHZ 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) Open Cover Time
 5) Magnetic Interference Time
 6) Exceed Maximum Flow Time
 2.4 Monthly Billng Data Record
 LXHZ 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 Anti-tamper Function
 1) When magnetic interference happens, The valve will close automatically
 2) When meter cover is opened illegally, The valve will close automatically
 3) If Flow-rate of water runing through the meter exceeds preset value, 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 LXHZ can support monthly free consumption management function, which means X m3/month water is provided to customers for free.
 3.2. Daylight Saving Time (DST)
 RTC (Real Time Clock) in meter can be adjusted automatically forward a certain time when  Daylight saving time starts, which is configured in “ Daylight saving time scheme ”, and will  go backward certain time when daylight saving time ends.




Why choose us? 

The quality we provide——outstanding quality assurance.

The service we provide——we take care of your order.

Depending on our our company's powerful R&D team,efficient production management,topping service system and scientific market strategy.We will always be your ideal partner,let us join hands together to create brilliant. 

Warranty   ( 24 months warranty  )

1. The warranty starts from the delivery date from our factory;

2. During the warranty, any defective product will get repaired or replaced for free ;

3. It is beyond the warranty as the products breaked by the violence , the carelessness or repaired , altered without authorization.




Company information:

Hangzhou LAISON technology Co. Ltd. was founded in 2012,And it is one of the manufacturer to earlier specialized in producing electrical energy meter,water meter,gas meter and meter test equipment. With the accumulation and development of the company for many years ,the company has launched a variety of products, such as Smart Card Water Meter,Smart Card Gas Meter,Smart Energy Meters etc. And it has all kinds of high precision equipment, strong technical force, advanced production technology, complete product specifications.

The company adhere to the "customer first, quality first, reputation first" purpose, Product sales network throughout the country and exported to Pakistan, Nepal, Bangladesh, the Middle East, Iraq, the Philippines, Italy, Sudan, Taiwan, Hong Kong and other countries and regions.