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RF Prepaid Water Meter

RF Prepaid Water Meter
RF prepaid water meter Introduction Radio frequency card prepaid water meter is the new measuring instrument employing the microprocessor to realize water collection, processing, display, and reserving. It is the best choice for realizing intelligent control by most of tap water administrative...
Product Details:

RF prepaid water meter

 


Introduction

 

Radio frequency card prepaid water meter is the new measuring instrument employing the microprocessor to realize water collection, processing, display, and reserving. It is the best choice for realizing intelligent control by most of tap water administrative bureaus, ideal for enhancing public awareness of saving water. This meter has many patents. Compared with traditional way ,it can control user’s overspend by prepaying for an RF card

 

Working conditions

 

≤40°C for cold water meter

≤90°C for hot water meter

Working pressure: ≤16bar

Relative humidity: ≤90%

 

Features

 

1. RF card water meter use prepaid way to achieve the new management mode of “purchase first, then use ”.

2 .Show the different level price of the water, one card can be used for several meters.

3. Double reading display: mechanical and electronic reading

4. Unique battery protection

5. Stable performance, wide application, Class B accuracy.

6. Low power consumption, long service time

7. Electronic part is vacuum sealed.

8. Anti-jamming andresistexterior magnet interference.


Maximum Permissible Error


a) In the lower zone from Q1 inclusive up to but excluding Q2 is ±5%

b) If the temperature≤30°C, in the upper zone from Q2 inclusive up to and including Q4 is ±2%

c) If the temperature>30°C, in the upper zone from Q2 inclusive up to and including Q4 is ±3%

Note: Technical data conform to ISO4064 standard.


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Technical Data

 

Model No

Size

R

Flow turndown

Q4

Max Flow

Q3

Nominal Flow

Q2

Transitional Flow

Q1

Min Flow

Min Reading

Max Reading

mm

Q3/ Q1

m³/h

m³//h

LXSGZ -15E

15

80

3

1.5

0.023

0.015

0.0005

99999

LXSGZ-20E

20

80

3.6

2.5

0.038

0.025

0.0005

99999

LXSGZ-25E

25

80

4.2

3

0.13

0.03

0.0005

99999

 

Working current

Low voltage protection

Quiescent current

Temperature

Battery voltage

Nominal Pressure

water volume per 1 pulse signal

<20mA

2.4V

<15uA

0.1°C~55°C

3.6V

2.5V~3.6V

100L

 


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