Introduction to Londian LD302 Three-phase CT Smart Electricity Meter
1. High – Precision Design and Measurement Function
O Londian LD302 three-phase CT, CT/PT smart Electricity meter is engineered with a high-precision design. This enables it to offer a stable and reliable measurement function. It can accurately measure various electrical parameters, which is crucial for effective energy management in different applications. Whether it is for monitoring power consumption in industrial settings or substations, the LD302 can be relied upon to provide precise measurements.
2. Versatile Communication Modules
One of the standout features of the LD302 is its plug-and-play communication modules. These modules can be of different types: cellular, PLC (Power Line Communication), RF (Radio Frequency), or other wired/wireless modules. Additionally, it offers communication interfaces like Infrared, RS485, and M-Bus (which are optional). The availability of such a wide range of communication options makes it highly adaptable to different communication infrastructures. For example, in areas with good cellular coverage, the cellular module can be used for seamless remote data transmission, while in environments where power lines are already present, the PLC module can be a cost-effective communication solution.
3. Basic Parameters
3.1 Voltage and Operating Range
The LD302 has a voltage (Un) range of 3 * 100 ~ 3 * 240V, and its operating range is from 0.7Un – 1.3Un. This wide voltage range and operating window ensure that the meter can function properly in different power supply scenarios, providing flexibility in various electrical systems.
3.2 Current Range
The current range of the meter is 1 * (10)A. The design of this specific current range enables it to handle typical current levels in industrial and substation applications, ensuring accurate measurement of the current flowing through the system.
3.3 Measurement Accuracy
The LD302 offers different levels of measurement accuracy. For active power, it has a Class 0.5S/1.0 / Class B/C accuracy, and for reactive power, it has a Class 1.0/2.0 accuracy. These accuracy levels ensure that the meter can provide reliable data for billing, energy analysis, and system monitoring purposes.
4. Battery Options
The LD302 comes with several battery options. It can be equipped with an internal lithium battery, an external exchangeable battery, or a supercapacitor. These different battery options provide flexibility in the power supply for the meter, depending on the specific requirements of the application. For some applications that require a stable power supply, users may prefer an external exchangeable battery. In cases needing quick charge-discharge cycles, a supercapacitor could be a better choice.
5. Anti – Tamper Features
To ensure the integrity of the measurement and the security of the system, Londian has equipped the LD302 with several anti-tamper features. These include load unbalance detection, open detection, magnetic field detection, and neutral detection. These features help prevent unauthorized access or tampering with the meter, safeguarding the accuracy of the measured data and the overall security of the electrical system.
The Londian LD302 three-phase CT smart electricity meter is a reliable solution for industrial and substation applications. It has a high-precision design, versatile communication options, and effective anti-tamper features. Additionally, it offers well-defined basic parameters and flexible battery options.
