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IC card prepaid water meter
Introduction: The RF card prepaid smart water meter is a highly intelligent instrument composed of advanced microcomputer control technology as the co
Product details
application
Product use
The RF card prepaid smart water meter is a highly intelligent instrument composed of advanced microcomputer control technology as the core and non-contact smart card technology as the information transmission medium. The instrument is based on a rotary wing water meter and is equipped with a new type of low-power, high torque output non pressure loss motor control valve, microcomputer controller, and RF card operation module. The product performance indicators comply with the national standard GB/T778-2007 and the industry standard CJ/T133-2007 of the Ministry of Construction, as well as the safety rules for drinking water and cold water meters CJ266-2008. It can be applied to the measurement and billing of residential and enterprise water use.
Product Features
Product features
The user card is encrypted with dual keys, one card and one password
Using an RF card with no exposed electrodes, it has good moisture resistance and is easy to use
Having the function of one card, one meter, or one card, multiple meters
When there is insufficient remaining water, prompt users to purchase water in a timely manner
When the battery voltage is too low, prompt the user to replace the battery
Equipped with data retrieval function, when a user purchases water from the management center with a card, the accumulated water consumption, battery status, interference frequency, etc. in the corresponding table of the card can be retrieved back to the management center
Low initial flow rate and high accuracy
Display function: Parameters such as the current water purchase amount, remaining water amount, and cumulative water consumption can be effectively displayed on the LCD screen. Users can view the remaining water amount and cumulative water consumption information in the table through their user card
TECHNICAL PARAMETER
Technical Parameter
Working environment temperature: 0-60 ℃
Relative humidity: ≤ 85%
Tested water temperature: Cold water gauge 0-30 ℃; Hot water meter 0-90 ℃
Work pressure: 0.02MPa~1MPa
Battery usage time: ≥ 7 years
Pressure loss of the gauge: ≤ 0.035MPa
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Nominal diameter （DN）mm |
Measurement level
|
Common traffic Q3 |
internet traffic Q4 |
Boundary flow rate
Q2 |
internet traffic Q1 |
| m3/h |
|||||
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15 |
level 2 |
2.5 |
3.125 |
0.050 |
0.031 |
|
20 |
level 2 |
4.0 |
5.000 |
0.080 |
0.050 |
|
25 |
level 2 |
6.3 |
7.875 |
0.126 |
0.079 |
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