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NB-IoT big size monitoring ultrasonic water-meter

NB-IoT Multi-channel large-caliber water

ultrasonic meter

      Models:LXCN-50H/80H/100H/150H

Usage:Multi-channel technology design, greatly overcome the impact of the turbulence on the measurement of the randomness, suitable for different working conditions, significantly improve the measurement accuracy, the amount of water applied to the trunk pipeline metering and billing.


  • Features
  1. Stratified fluid measurement, the forward reverse counting, measurement accuracy and stability.

  2. No moving parts inside the pipe, no wear and tear, can adapt to extreme quality containing gravel.

  3. Low-power circuit design, use and protection of unique battery technology, long battery life.

  4. Support for wired remote meter reading, GPRS wireless meter reading, remote real-time multi-protocol support.

  5. Huge data storage function, perfect for monitoring and management of district metering design.

  6. Advanced waterproof protection design, all parts are IP68 design can be submerged underwater work.

  7. Industrial Instrumentation standard data communication interface design.


  • Main technical parameters

 

  • Body material:Ductile iron

  • Ambient temperature: -5~45℃

  • Fluid temperature: 0+℃~30℃

  • Working water pressure: ≤1M Pa

  • Protection class: Overall up to IP68

  • Installment environment: C class

  • Electromagnetic environment: E2

  • Velocity sensitivity level: U5, D3

  • Electron circuit: working voltage 3.6 ~3.2V, minimum current≤8μA

  • Battery: 3.6V high power lithium battery, useful service-life >8 years

  • Interactive button: touch-sensitive button

  • Communication interface: RS485/USART/Infrared

  • Output signal: 2 isolated pulse output of OCT/TTL, 1 two-wire 4~20mA analog output
    Data storage: operating state information in 24 months


  • Flow technique specification

Nominal Diameter

(mm)

Starting Flowrate

Qst (L/h)

Minimum Flowrate

Q1 (L/h)

Transitional Flowrate

Q2 (L/h)

Common Flowrate

Q3 (m3/h)

Overload Flowrate

Q4 (m3/h)

50

35

400

640

40

50

65

60

650

1000

63

79

80

65

950

1600

100

125

100

90

1500

2500

160

200

125

120

2000

3200

200

250

150

280

2500

4000

250

315

 

  • Outline dimensions(unit:mm)

Nominal Diameter

Outline Dimensions

Flange Size

net weight

Long

L

Height1

H1

Height2

H2

Width1

W1

Width2

W2

Outer Diameter

 

D

Bolt

hole

diameter

of center circle

 

D1

Diameter of protrusion in joint

D2

Height of protrusion in joint bottom

f

Flange thickness

d

Bolt Hole

Diameter

d0

Number

n

50

200

70

131

76

95

165

125

102

2

19

18

4

10

65

200

75

135

79

95

185

145

122

2

20

18

4

12

80

225

94

132

94

95

200

160

138

2

20

18

8

14

100

250

104

140

104

104

220

180

158

2

22

18

8

19

125

275

117

148

117

117

250

210

188

2

22

18

8

24

150

300

134

155

114

114

285

240

212

2

24

22

8

30

 
 
  • Curve of flow error

 
  • Curve of head loss

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