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Intelligent Wireless Water Flow Meter LoRaWAN Water Consumption Management

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Wuhan Time Wave Network Technology Co., Ltd.

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Intelligent Wireless Water Flow Meter LoRaWAN Water Consumption Management

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Brand Name :	TimeWave
Model Number :	Type LXSY-TW
Certification :	ISO/IEC 20000-1,ISO/IEC 27001,ISO/IEC 9001
Price :	EXW price US$ 80-500/ set
Payment Terms :	L/C, T/T
Supply Ability :	2000 sets per week
Delivery Time :	3-5 weeks after receive the payment

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Intelligent Wireless Water Flow Meter LoRaWAN Water Consumption Management

LoRaWAN Intelligent Water Meter for Effective Water Consumption Management Wireless Communication

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.

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.

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%

R=Q3/Q1	100 (Dry Type)	Quiescent current	<10uA
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	Communication current
Maximum allowable water pressure	≤1.2MPa	Operating environment	0~ +45℃ (cold water),0~95%RH 0~ +90℃ (hot water),0~95%RH
Temperature grade	Cold:T30 Hot:T90	Operating environment	0~ +45℃ (cold water),0~95%RH 0~ +90℃ (hot water),0~95%RH
Communication mode	LoRaWAN:CN470,RU864,IN865, EU868,US/AU915,KR920,AS923_ 1/2/3/4,Custom Channels	Oprating voltage	2.7 ～ 3.6 V

Display description

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).

Overall dimension (unit: mm)

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

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