Contact Us

Contact Person : Eric Yang

Phone Number : 86-(0731)88619728

WhatsApp : +8618319993585

Free call

STS Prepaid Intelligent Smart Water Meter LXSW-P300 Willfar Information

Minimum Order Quantity : 100 Price : Negotiable
Packaging Details : Carton Packaging Delivery Time : 30 days
Payment Terms : T/T Supply Ability : 2000 per day (based on the number of the order)
Place of Origin: Changsha, Hunan Brand Name: Willfar Information Techonology Co., Ltd.
Certification: OIMLR49/ISO4064/EN14154/STS IEC62055-41 Model Number: LXSW-P300

Detail Information

Color: White Material: Brass
Communication Protocol: STS, LoRa Brand: Willfar Information
Place Of Origin: Changsha Hunan Level Of Protection: IP68
High Light:

prepaid water meter


remote water meter

Product Description

STS Prepaid Wireless Smart Water Meter LXSW-P300 Willfar Information


Company Profile

Willfar Information Technology Co., Ltd.

- Established in 2004;
- Listed on the STAR Market of the Shanghai Stock Exchange in December 2019;
- Leading supplier of meter reading (AMI) equipment and operation service;
- The first company to develop "One DCU Reading Multi-meter" solution in China;
- The first company to have large-scale application of technologies and systems like "CPU smart-card Charge and Control", "One DCU Reading Multi-meter", LoRa-based RF Communication and "District Metering Area (DMA)”



1. The LXSW-P300 which consists of User Interface Unit (UIU) and wireless remote (valve-controlled) water meter is highly intelligent for residential use in respect of water consumption.
2. The water meter is a horizontal dry dial multi-jet cold water meter designed for measuring flows of cold potable water. It is a high reliable measurement instrument, which is conform to OIMLR49/ISO4064/EN14154 standards.
3. Accuracy class of water meter is Class B/C(R80 /R100/R160), Material of body is copper.
4. The UIU acts as a remote display and keypad for water meter, and it could be connected with meter by RF interface .
5. The prepayment module conform to the STS standard IEC62055-41


STS Prepaid  Intelligent Smart Water Meter LXSW-P300 Willfar Information 0


Technical Parameters


Item Parameter
Meter Type Dry dial Multi-jet
Nominal diameter(mm) 15 20 25
Length(mm) 165,190 190,195 225
Permanent flowrate Q3(m3/h) 1.6/2.5 2.5/4 4/6.3
Q3/Q1 R80/R100/R160
Accuracy class Class 2
Error Q1QQ2 5%



Types of Indicating device combination of analogue and digital devices
Indicating range 0~99999.99995
Temperature class T30,T50,T30/90
Water pressure class MAP10(10bar),MAP 16(16bar)
Pressure-loss class Δp63(0.63bar)
Installation position H
The installation sensitivity class U3/D3
Electromagnetic and Environmental class E1,B
Battery life-time 5 years(typical)
Radio Frequency Band (433~435)MHz,(470~510)MHz
Maximum Transmit Power 50mW,100mW
Valve life-time 10000 times(typical)
Work Environment 0.1~50℃,≤93%RH
IP code IP68




OIMLR49/ISO4064/EN14154/STS IEC62055-41




1. Integrated design of water meter and valve
2. Separation design of water meter and UIU, the water meter can be installed in a place where you can't touch it 
3. IP68 protection


Basic Functions

1. LCD display
2. Prepayment, Max.8 steps of water tariff
3. Insufficient water warning
4. Self-defined overdraft
5. Anti-storage (purchase limitation)
6. Anti-magnetic Interference & record
7. Low-Battery detection & record
8. Anti-tamper detection & record
9. History data
Advanced Functions
1. Support purchase water by mobile
2. Holidays Management
3. Non switch-off during off-duty
4. Monthly free consumption water
5. Collect taxes and fee by water charges



Residential and commercial




Nominal size(mm) L(mm) W(mm) H(mm) Thread
15 165,190 98 110 R1/2" G3/4"
20 190,195 98 110 R3/4" G1"
25 225 98 114 R1" G1-1/4"

You Might Be Into These
Get in touch with us

Enter Your Message