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Interpretation of the advantages of code-type prepaid energy meters

The prepaid meter is also called the quantitative electric energy meter. In addition to the metering function of the ordinary electric energy meter, in particular, the user buys electricity first, and the electricity can be used after the electricity is purchased. If the user does not continue to buy electricity after the electricity is used up, the power supply is automatically cut off. Stop the power supply, effectively solving the problem of difficult charging.

There are two common pre-storage methods for prepaid electricity meters: write card type (card meter), code type (STS meter prepaid electricity meter, clear code recharge prepaid electricity meter). The use of the card meter requires an electricity sales point, and the user needs to bring the card to the electricity sales point to buy electricity; with the development of intelligence, the user experience of the card meter has been unable to keep up with the needs of users. The code-type prepaid electricity meter realizes the sale of electricity without media, and the electricity is recharged to the electricity meter through the encrypted code. In the early days, the meter's own keyboard was used to input the code to recharge the electricity. With the development of science and technology, the maturity of remote communication technology and the popularization of mobile payment. The current electricity prepaid system can realize the user's own mobile phone to purchase electricity and recharge, liberating electricity sellers. Top up can be done anytime, anywhere.

With the booming economy, the real estate rental market is also booming. Apartments, private houses, factories, office buildings, shopping malls, and markets have all entered the fast lane of the leasing market, and independent measurement and zoned measurement of electricity consumption has also become a rigid demand. According to the development of the housing rental market, there are new requirements for electricity management: prepaid mode, remote communication, dataization, intelligence, etc. In view of the difference in the market's functional requirements for the realization of electric energy meters and the different installation environments, Yongtailong planned and designed a series of intelligent prepaid electric meters for the rental market.

The overall functions are as follows, please refer to the specifications of each electric energy meter for detailed functions:
1. The guide rail type installation method is adopted, which is small in size and easy to install.
2. In order to adapt to various application environments, various communication methods: WiFi, GPRS, NB-IoT, RS485
3. Built-in high-performance magnetic latching relay, which can realize arrears tripping and overload protection
4. Measurement accuracy level 1
5. Measurable current, voltage, power, power factor, electricity, remaining electricity
6. The prepaid mode and postpaid mode of some products can be switched, which is convenient for platform application design
7. LCD display, passed the double 85 test, strong weather resistance
For the above products, Yongtailong can provide communication protocol and technical support during docking, and support DLT645-2007\Modbus protocol


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