Water Meter

LXSY-15A-20A

Multi Jet Dry type

Material body: Brass

Sizes: DN15  to  20mm, (½" - ¾"), Available for cold water (50°C)

Accuracy: DN15  to  20mm, (½" - ¾"), Class B / Class C / R160

Frequency: LoRa/ LoRaWAN EU868MHz, IN865MHz, AS923MHz, AU915MHz, US915MHz, Other Customized Frequency Requirement

Supply mobile phone App software to read Water Meter by LoRaWAN

* Multi-flow calibre, small starting flow and high measurement accuracy

* Integrated module, low power design, measurement process is completed in the main body

* The meter is mainly measured in a non-magnetic way, and the charging can be done on the server or system

* Portable installation, no wiring required, no external power supply required

* Stable and reliable: Provides carrier-class reliability access, effectively supporting IoT applications and smart city solutions

* It supports multi-band communication, 868MHz, 923MHz and so on

* Built-in NFC function module, with mobile app terminal can easily and quickly modify parameters

* The mobile app supports DevEUI, APPEUI, and ABP/OATT mode changes for easy maintenance and management

* The mobile app supports the modification of the water meter base for easy maintenance

* 30-45 days of long time data storage

* Long-distance transmission, non-complex environment, transmission distance>1km

* Low power consumption, large capacity lithium battery, ER26500 (8500mAh) can be used, and the service life is 8-10 years

* IP68 waterproof design, three waterproof technology, to ensure that the water meter works properly in harsh environments




WIRELESS TECHNICAL INDICATORS

Power supply lithium battery
Power supply 2.1V-3.6V
Working frequency 865-868MHz/915-930MHz
Transmit power 50mW
Battery Life More than 8 years
(Once reading data per day)
Receiver sensitivity -132dBm
Dormancy current 2.5uA
Average current 18uA
Transmission distance 3000m transmission distance(5Kbps)

MAIN TECHNICAL DATA      According to ISO4064 (GB/T778.1-1996) Standard

Size

Class

Qs
Overload flow

Qp
Nominal flow

Qt
Transitional flow

Qmin
Min flow

Min reading

Max reading

DN(mm)

Inch

m³/h

L/h

15

1/2"

A

3

1.5

150

60

0.0001

99999

B

120

30

C

22.5

15

20

3/4"

A

5

2.5

250

100

0.0001

99999

B

200

50

C

37.5

25



MAIN TECHNICAL DATA      According to ISO4064 (GB/T778.1-2007) Standard

DN
SIZE

Mm
Inch

15
1/2"

20
3/4"

Q4(m³/h)

3.125

5

Q3(m³/h)

2.5

4

R80

Q2(L/h)

50

80

Q1(L/h)

31.25

50

R100

Q2(L/h)

40

64

Q1(L/h)

25

40

R125

Q2(L/h)

32

51.2

Q1(L/h)

20

32

R160

Q2(L/h)

25

40

Q1(L/h)

15.625

25

Min reading(m³)

0.00005

0.00005

Max reading(m³)

99,999

99,999

Max pressure(MAP)

16

16

Max loss(∆ P)

63

63

Max temperature

T50

T50


INDICATING ERROR

At low zone is ±5% from minimum flow rate  (qmin)  to transitional flow rate (qt) exclusive boundary

At high zone is ±2% from transitional flow rate (qt) to overload flow rate (qs)




DIMENSIONS AND WEIGHT

D

G¾B

G1B

L(mm)

165

190

B(mm)

81

81

H(mm)

160

160

Weight(kg)

0.92

1.2


WORKING CONDITION

Water temperature:≤50℃ for cold water meter

Working pressure:≤1.6Mpa

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