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Ultrasonic Water Meter Demostic RS485 Modbus

Ultrasonic valve-controlled water meter is a new type of intelligent fully electronic valve-controlled water meter using ultrasonic detection technology. The calculator can accurately measure the flow by processing the temperature difference collected by the sensor and the time difference of the sound wave passing through the fluid. It integrates measurement, totalization, display, valve control and wireless communication. It adopts micro-power consumption technology and the battery can be used for more than 6 years. At the same time, the instrument has the characteristics of small size, good stability and strong anti-interference ability.
Brand name:
  • LXC-DN15~DN40

Ultrasonic Water Meter Demostic RS485 Modbusf    ULTRASONIC WATER METER

Small cablier-DN15~40


Brief introduction

Ultrasonic water meter is a new type of water meter that detects the time difference caused by the change of velocity when the ultrasonic beam propagates in the opposite direction of the water, and analyzes and processes the flow rate of water to further calculate the flow of water.


·Features long service time and high accuracy
·Threaded connection digital water meter, used in industrial pipelines, suitable for high pressure environment, can choose whether to install pulse output
·With remote transmission system software to support reading and monitoring
·Provide a complete software metering and charging solution
·Automatic leak measurement


▲Not affected by impurity, chemicals and magnetic materials in medium;

▲No moving parts in measuring mechanism, free of wear and tear, and accuracy does not degrade over the life of the meter;

▲Horizontally or vertically mounted;  

▲Low pressure drop;

▲IP68 protection level, can adapt to various harsh installation environments;

▲Support RS485 communication, LoRa wireless collection.

Outline dimensional drawing


Nominal Diameter Length L Length L1 Width B Height H1 Connecting Thread
mm d D
15 258 165 95 95 R1/2B G3/4B
20 299 195 95 100 R3/4 G1B
25 345 225 95 108 R1 G1 1/4B
32 305 180 95 120 R1 1/4 G1 1/2B
40 330 200 95 125 R1 1/2 G2B

Technical specifications

Item Unit Details
Nominal diameter mm 15 20 25 32 40
Q3/Q1 R200
Overload flow(Q4) m³/h 3.125 5 7.875 12.5 20
Nominal flow(Q3) m³/h 2.5 4 6.3 10 16
Transitional flow(Q2) m³/h 0.02 0.032 0.05 0.08 0.128
Minimum flow(Q1) m³/h 0.013 0.02 0.032 0.05 0.08
Accuracy class Class 2
Battery life 8years
Temperature class T30/T50
Pressure class ≤0.063Mpa
Pressure loss class ΔP63
Flow prefile sensitivity class U10/D5
Environmental class Class B,M1
Electromagnetic environment class E1
Working pressure 1.6Mpa
Max flow indication 999999.9m³
Installation position Horizontal or Vertical


Water meter

1. How long is the battery life?

Using the ER26500 battery with a capacity of up to 9000 mAh and the frequency of reading the meter once a day, the battery life can reach 8 years.

2. Waterproof rating?

At present, this water meter adopts completely encapsulated and sealed technology. It uses silicone to package the circuit board part, and the battery plug and socket are also sealed to achieve IP68 protection.

3. Can your product run underwater?

This product can be soaked in water, but soaking in water will affect the stability of signal transmission, because it will greatly affect the signal transmission in water

4. If the valve cannot be closed or opened, how to find and deal with it?

If the valve is blocked by sand and gravel flowing into the pipe, the program in the water meter will try to execute the on-off valve action within 40 seconds.

If the valve cannot be switched normally, the water meter will give up the command and return the fault data to the platform.

On the platform, you can easily view the relevant information of the water meter.

Pre-sales and after-sales service

1. Pre-sale service

Patient product introduction.

AMR system demonstration.

Project case introduction.

Support sample ordering.

2. After-sales service

Installation instructions, including software part and water meter part;

Support data to the third management system;

Installation supervision, on-site debugging and advertising training;

Maintain long-term tracking and service, even beyond the warranty time

Communication and service platform

1. What data can the platform collect from the water meter?

Currently, our platform can collect cumulative flow, battery voltage, and upload time on the water meter.

2. How do you know that the water meter is faulty and there is no data to return?

First, we can check the alarm function on the platform to see if the water meter has no data returned, and then check the installation environment to see if there is any obvious damage, and can actively trigger the water meter to turn on-line mode 

3. Is the platform free? Can I pay in advance?

It is free, and the administrator can charge the amount in advance

Set user information files for each user on the platform

4. Warranty?

Within one (1) year from the date of acceptance, it will be guaranteed that the working principles and materials of all meters are free from defects. Any defective instruments or parts found during this period should be replaced free of charge when returned to SHMETERS.

To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.