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E-mail :  info@shmeters.com
Phone :86- 0311- 66568000
Address : 116# xinhua south road xingtai hebei china
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Prepaid water meter

Quantity:
  • DN15-100
  • SH-MECH

Prepaid water meter

预付费_01


IC card smart water meter spilt type

Overviews

The IC Card series water meter is a kind of prepaid and smart water meter. It’s designed and manufactured by our company and famous design companies both domestic and aboard according to the international standard.

Product features

  • High Precision Water Measurement.

  • Joint valve structure, suspension design, 1:3200 torque, Timed automatic cleaning. Ensure valve stability and smooth opening and closing.

  • Long service life, 6 years battery life.


Advantage of the system

  • OEM, language display and currency unit display can be customized, and company name can be added to the software.

  • The data will be saved automatically after exiting the system.

  • Simple management and user card making, easy to query consumption records.

  • Invoice printing, providing payment voucher to users in the most common form in the local area.


Advantage of the system


Brief introduction

The prepaid water meter have mechanical and electronic readings. It is used to control users overspend by prepaying with an IC card. Pay in advance and then use water get rid of the inconvenience of on-site meter reading and charging.


Main technical data

(Ⅰ) Technical specifications

Item

Unit

Details

Nominal diameter

mm

15

20

25

Q3/Q1

R80/R100

Overload flow(Q4)

m3/ h

3.125

5

7.875

Nominal flow(Q3)

m3/ h

2.5

4

6.3

Transitional flow(Q2)

m3/ h

0.05

0.08

0.13

Minimum flow(Q1)

m3/ h

0.031

0.05

0.08

Accuracy class

Class 2

Maximum indication

m3

99999

Temperature class

T30,T90

Pressure class

MAP10/MAP16

Pressure loss class

Δp63

Flow prefile sensitivity class

U10/D5

Environmental class

Class B

Electromagnetic environment class

E1

Static current

uA

<10


(Ⅱ) Relative error

  • Maximum permissible error between Q1 and Q2(excluded) is ±5% in flow low area.

  • When the water temperature is not higher than 30℃, maximum permissible error between Q2 and Q4(included) is ±2% in flow high area.

  • When the water temperature is higher than 30℃, maximum permissible error between Q2 and Q4(included) is ±3% in flow high area.


(Ⅲ) Working temperature: cold water (0.1~30)℃

(Ⅳ) Operating ambient temperature: (5~55)℃

(Ⅴ) Storage environmental temperature: (‐5~55)℃


Fault handling instructions

Item

Fault display

Fault explanation

Elimination methods

1

Under voltage

Low battery

 

 

Contact the manufacturer

2

Flow

Flow sensor signal failure


 

3

 

Valve open/close

Valve sticking,

rusting or scaling


 

4

 

Can not read card

 

Write card error or take the wrong card

Go to water supply department to test the card

Outline dimensional drawing

Outline dimensional drawing

Nominal

Diameter

Length L

Length L1

Width B

Height H1

Height H2

Connecting Thread

mm

d

D

15

258

165

90

112

184

R1/2

G3/4B

20

299

195

90

112

184

R3/4

G1B

25

345

225

90

114

186

R1

G1 1/4B


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