Zhejiang Yongtailong Electronic Co., Ltd. is a Chinese company that specializes in the production of electronic measurement instruments, including prepaid meter. Here's a brief overview of their prepaid meter products:

Product Range:

1. Prepaid electricity meter: Yongtailong offers a range of prepaid electricity meter, including digital energy meter. These prepaid meter allow customers to purchase electricity credits in advance, and the prepaid meter will only supply electricity if the credits are available.

2. Smart prepaid meter: The company also produces smart prepaid meter that can be integrated with advanced technologies such as IoT, cloud computing, and big data analytics.

Key Features:

1.Anti-tampering

Support bypass detection, open cover detection, influence of external magnetic field, abnormal voltage record, live&neutral double circuit metering etc, totally 21 tampering situation detection.Two relays on phase wire&Neutral wire.

2.Tariff

Divide into weekday timetable and weekend timetable, with 10 time period and 10 tariffs. Every timetable has a backup table for remote updating of backup timetable and configure the switching time. Prepaid Meter will automatically switch the tariff table at the switching time.

3.Communication

Yongtailong Prepaid Meter support 4G/ PLC/ Wi-Fine communication, with fall back capability to 2G and 3G.

4.Event

Open cover, magnetic field, load ground connection, reserve current, over-voltage, low-voltage, low-frequency, overload, power-fail, low remaining power, and token record etc. Support 100 events.

5.Measurement

Prepaid Meter measures voltage, current, active power, reactive power, frequency, power factor, MD in the current month, MD of last 1 month, MD of last 2 month, the absolute value of total active energy, the absolute value of total active tariff energy, total input energy of the current month, total input energy of last 12 month, total output energy of the current month, total output energy of last 12 month, and total reactive energy.

6.Mode

Prepaid Meter has 3 operation modes: STS token mode, currency prepaid mode and post-paid (traditional) mode, which can be switched.

And the currency mode can be divided into tariff mode and step price mode. Modes can be configured through communication.

Benefits:

1.Improved billing accuracy:

Yongtailong's prepaid meter can help reduce billing errors and disputes by providing accurate and real-time consumption data.

2.Enhanced customer experience:

The prepaid meter can provide customers with a better understanding of their energy consumption and allow them to make more informed decisions about their energy usage.

3.Increased revenue:

The prepaid functionality can help utilities generate additional revenue by providing a new payment option for customers.

4.Reduced energy waste:

By providing customers with real-time consumption data, the prepaid meter can help reduce energy waste and promote energy efficiency.

Target Markets:

1.Utilities:

Yongtailong's prepaid meter series are suitable for utilities looking to offer a new payment option for customers.

2.Commercial buildings:

The prepaid meter can be used in commercial buildings to monitor and manage energy consumption.

3.Residential areas:

 The smart prepaid meter can be used in residential areas to provide customers with real-time consumption data and promote energy efficiency.

Technical Specifications:

1. Accuracy: 1.0 or better

2. Communication protocol: IDIS, DLMS, COSEM(IEC62056)

3. Power supply: 230VAC

4. Operating temperature: -20°C to 70°C

Certifications:

1. STS certification

2. IDIS certification

3. ISO 9001 certification

4. DLMS certification

Overall, Yongtailong prepaid meter series are designed to provide accurate and convenient billing solutions for utilities, commercial buildings, and residential areas.