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Ultrasonic water meter manual.pdf

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2024-11-27 09:13:34

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LoRa Wireless Water Meter

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Water meter

LoRa wireless water meter using of advanced wireless LoRa transmission technology, it transforms metered information of conventional mechanical water meter into electrical signal have it stored by micro-electronics control circuit. It is able to automatically read the metering data via wireless remote network and is also able to transfer the data to the back-office system (data center) after reading the meters. And the administrator can remotely control the user's water meter valve when the user refuses to pay the fee.

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Product description

Parameters

INTRODUCTION

TECHNICAL DATA

1.Flow range

Nominal diameter DN(mm)	Range ratio	Max	Nominal flow Q3	Transitional	Min flow
Nominal diameter DN(mm)	Q3/Q1	flow Q4	Nominal flow Q3	flow Q2	Q1
		m3/h
15	R80	3.125	2.5	0.05	0.031
20	R80	5	4	0.08	0.05
25	R80	7.875	6.3	0.2	0.079

2. Wireless technical indicators

Power supply	lithium battery
Power supply	2.1V-3.6V
Working frequency	470-510MHz / 865-868MHz
Transmit power	50mW
Battery Life	More than 6 years(Upload data once a day)
Receiver sensitivity	-132dBm
Dormancy current	2.5uA
Average current	18uA
Transmission distance	1000 m transmission distance(5Kbps)

FEATURE

◆Waterproof level: IP68

◆Accuracy: Class B

◆Short distance communication, so the power consumption is low.

◆The administrator can actively send the instruction of meter reading or on-off valve to the water meter form the platform through the concentrator to achieve the purpose of real-time control.

◆The cost of use is low, only concentrator need use sim card. Water meter no need.

APPLICATION

Suitable for almost all types of water supply. Lora system is for water meter installation intensive environment, such residential quarters, apartments, high-rise buildings and so on.