K3TF-V815 Industrial Controls

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Panel Meters are commonly used as a general descriptor for instruments designed to measure and display electrical signals. This includes devices that measure voltage, current, temperature, total energy, frequency and power. In this article, we will focus on one particular panel meter, the K3TF-V815, and discuss its application field and working principle.

Application Field

The K3TF-V815 is a single-phase inner connected energy meter capable of measuring energy consumption and operation parameters for residential and commercial buildings. It is a sturdy, easy-to-use meter that has a high accuracy rating of ±1%. It is an ideal choice for studying the energy consumption of single-phase AC circuits.

The K3TF-V815 can be used to measure both the input and output of single phase AC circuits. It is compatible with a variety of other hardware components such as relays, switches, motors, resistors and transducers. It also is suitable for all general electrical setups in homes, factories and commercial spaces.

Its large LCD display makes it easy to read the measurements at a distance. The meter\'s size is also compact and manageable for users, measuring only 2.9in × 1.9in × 0.8in (7.37cm × 4.83cm × 2.03cm).

Working Principle

The K3TF-V815 operates on two primary principles – current to voltage conversion and energy counting. These two processes, when combined, produce accurate cumulative energy readings that aid in monitoring and logging power consumption levels.

The meter includes a current transformer (CT) and a voltage transformer (VT) to achieve the current to voltage conversion. The inputs from these transformers are amplified and converted into a voltage signal. This signal is then processed by a single-chip integrated high-speed, low-power microprocessor. Using a magnitude comparator and a single-chip register, the meter is able to accurately measure and display the phase angle of the voltage and current.

The meter stores this information (along with other data related to frequency and power) in memory modules. Through these memory modules, the meter is able to count and register cumulative energy measurements in a given period of time. This mode, called a "baseline register," is programmed to reset itself after each billing period.

In summary, the K3TF-V815 offers a high level of accuracy and reliability in a small form factor. It is commonly used in homes, shops and workshops to measure the energy consumed by different electrical circuits. Its current to voltage conversion and energy counting functions make it an ideal choice for monitoring energy usage. The meter is also advantageous due to its robustness and ease of use. All in all, it meets the needs of its users and provides them with valuable information about their energy consumption.

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