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Photoelectric direct reading remote transmission valve controlled intelligent water meter
Product Overview:
Product details
Photoelectric direct reading remote transmission valve controlled intelligent water meter
product overview ：
This series of products has accurate readings, high reliability, energy-saving and durable meter reading systems, and adoptsRS-485 or M-Bus bus communication method, combined with GPRS for remote reading. The product complies with GB/T778-2007 "Measurement of Water Flow in Closed Full Pipelines - Cold and Hot Water Meters for Drinking Water" and CJ/224-2012 "Electronic Remote Water Meter" standards.
Scope of application:Used for residential communities, urban water companies, and commercial office buildings.
Main features:
© This series of remote water meter impellers and calculators are displayed by a combination of magnetic transmission wheels and pointers, which have the advantages of convenient counting, long-term clarity, and anti freezing.
© Using reed switches or Hall elements for communication, the calculator is available in C-type, E-type, dry type, and liquid sealed for different customers to choose from.
© This series of water meters comes in copper and iron shells, with cold and hot water meters available in both middle and surface outlet modes.
© This series of water meters has the advantages of anti magnetic function, overcoming external magnetic field interference, and beautiful appearance in terms of counting mechanism.
© Directly encode the character wheel and convert it into a digital signal output that matches the character wheel count;
© Normally not powered, the reading/switching valve is powered by the bus, and data acquisition, transmission, or valve control are carried out according to the instruction requirements;
© The table has a unique address identifier, and the data of the corresponding table can be read based on the address, ensuring the uniqueness and correctness of the data;
© Equipped with control function and built-in valve, the valve can be opened and closed as needed to prevent malicious arrears of water fees;
© Communication transmission rate: 1200/2400bps; Maximum communication transmission distance: 1200m;
© Communication protocol: DL/T645, CJ/T188, MODBus, industry standard or user specified protocol.
Technical Parameter
Maximum allowable error:
From the low zone including the minimum flow rate (Q1) to excluding the boundary flow rate (Q2) ± 5%;
From the high zone including boundary flow (Q2) to the high zone including overload flow (Q4) ± 2%;
working pressure:≤1.0MPa；
Water temperature:0 ℃ ≤ Cold water meter water temperature ≤ 40 ℃, 0 ℃ ≤ Hot water meter water temperature ≤ 90 ℃
Supply voltage:3.6V (lithium battery), battery life ≥ 6 years.
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