LoRaWAN Intelligent Water Meter Electronic Water Meter Measurement Remote Water Meter Reading System

Place of Origin Hubei , China
Brand Name TimeWave
Certification ISO/IEC 20000-1,ISO/IEC 27001,ISO/IEC 9001
Model Number Type LXSY-TW
Minimum Order Quantity Negotiable
Price EXW price US$ 50-100/ set
Packaging Details Customized packaging
Delivery Time 3-5 weeks after receive the payment
Payment Terms L/C, T/T
Supply Ability 2000 sets per week

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Product Details
Name IoT Intelligent Water Meter Type Cold/Hot Water Meter
Quiescent Current <10uA Operating Voltage 2.7 ~ 3.6 V
Range Ratio Q2/Q1=1.6 Q4/Q3=1.25 Operative Norm GB/T 778-2018
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LoRaWAN Intelligent Water Meter


IoT Intelligent Water Meter


LoRaWAN Water Flow Measurement

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Product Description

LoRaWAN Intelligent Water Meter Electronic Water Meter Measurement Remote Water Meter Reading System

  • Product Overview

LoRaWAN IoT water meter is composed of water meter base meter, electric ball valve (valve control), magnetoresistive sensor, MCU, wireless communication module, control circuit and other components. Mechanical and electrical separation structure design.

High capacity lithium sub battery pack is used for power supply. It provides long-term stable energy guarantee for data acquisition, valve control and wireless data transmission. LoRaWAN wireless communication module is adopted. Through the spread spectrum communication technology, the user water data is actively uploaded (once a day by default) to the LoRa WAN gateway. The gateway will upload to the system data service center through LTE 4G network or Ethernet. The system has the advantages of long communication distance, large capacity, fast and convenient installation, long service life, etc.

This water meter is of dry structure. The dry water meter is isolated from the measured water due to its counting mechanism. Therefore, it is not affected by the suspended impurities in the water to ensure the normal operation of the counting mechanism and the clear reading. 
At the same time, it will not, like the wet water meter, affect the reading of the water meter due to the fog or condensation under the glass
caused by the temperature difference between inside and outside the meter.
  • Functions and features

1. Split structure: The electronic unit is independent from the base table.

2. Accurate measurement: non-contact full-electronic detection logic is adopted. The metering accuracy is 10 liters.
3. It has the functions of touching the key to wake it up and long press key to go online and transmit data remotely.
4. It has infrared communication interface. Relevant parameters can be read and set.
5. It has alarm functions: Abnormal state battery voltage and valve, continuous small and large flow, metering module failure,etc.
6. Timed collection and upload function:Collect data timed. Auto upload data at the set time point (once a day by default). Meanwhile, it can receive and execute instructions from the platform.
7. Auto switching of reporting mode: When the on-site signal is abnormal, it will auto switch to monthly mode. While it's recovered, it will auto resume the daily mode.
8. LP design: 3.6V lithium sub-battery pack (ER26500+HPC1520) is adopted. Sleep current is less than 10uA.
9. Clock calibration function: Auto time calibration and platform remote time calibration after the water meter is online.


  • Specifications & technical parameters
Flow characteristics      Comply with GB/T 778.1~3-2007 standard. Accuracy Class: Class 2
Nominal caliber (mm)
              15                   20                    25
Overload flow Q4(m3 /h)
              3.1                   5.0                    7.8
Commonly used flow Q3(m3 /h)
              2.5                   4.0                    6.3
Maximum allowable error
        high area (Q2≤Q≤Q4) is ± 2%, the low area (Q1≤Q<Q2) is ± 5%


100 (Dry Type)
Quiescent current
Range ratio
Q2/Q1=1.6 Q4/Q3=1.25
Communication current
Data collection and generating currents <50mA,
and peak current <100mA
Pressure loss level
△ p≤0.063MPa
Maximum allowable water pressure
Operating environment

0~ +45℃ (cold water),

0~95%RH 0~ +90℃ (hot water),0~95%RH

Temperature grade
Cold:T30   Hot:T90
Communication mode



1/2/3/4,Custom Channels

Oprating voltage
2.7 ~ 3.6 V


  • Display description


Under normal conditions, the water meter will automatically go online once a day (settable). Upload the water meter data
to the system platform through wireless communication. At the same time, receive and execute the relevant instructions
of the system platform (parameter setting, valve control, etc.).

LoRaWAN Intelligent Water Meter Electronic Water Meter Measurement Remote Water Meter Reading System 0

In order to prevent malicious people from triggering the water meter online for many times (loss of battery power). We have specifically set the time interval (5 minutes) between keys triggering the launch, that is, the time interval between two consecutive launches must be greater than 5 minutes. At the same time, it stipulates that the number of times that a key is pressed to trigger the launch cannot be greater than 8 times per day (the launch command of infrared communication setting is not affected by this number of times). When the water meter is closed, press the trigger button for 3 seconds for the first time every month. The water meter valve will be opened, and 3m ³ water can be used for overdraft. When the overdraft is 3m ³ is used up, the water meter will automatically close the valve.
  • Overall dimension (unit: mm)

LoRaWAN Intelligent Water Meter Electronic Water Meter Measurement Remote Water Meter Reading System 1

Model Nominal diameter L(mm) B(mm) H(mm) Junction pipe Nut
LXSY-15 15 165 90 106 R1/2 G3/4
LXSY-20 20 195 90 108 R3/4 G1
LXSY-25 25 225 96 130 R1 G11/4


  • Precautions


1. Water meters should be checked frequently to prevent water meter leakage accidents;
2. In winter, it is necessary to prevent the water meter from freezing and bursting. Installing insulation measures to the water meter when necessary;
3. When the home is not occupied for a long time, should close the valve in front of the table to prevent water leakage accidents;
4. Water meter is a measuring product and shall not be destroyed. Destroying water meter is an illegal action.