Specialty - Four Wire Hall Current Sensor - Brand [Weikewei]

There are two commonly used methods for current sensing: low-voltage side sensing and high-voltage side sensing. Low voltage side induction willFour wire Hall current sensorConnect between the original load and the ground connection. This type of sensing provides an inexpensive method for measuring current, but has a drawback of adding additional resistance to the grounding path of the circuit. On the other hand, the high-voltage side induction connects the sensor between the power supply and the load. It usually requires a more expensive sensor-As a higher level of accuracy is necessary-But it will not damage the grounding current like current sensing through the low side connection.

Our company produces various series四根線霍爾電流傳感器Composed of a current switch and a current sensor. These sensors come with optional embedded relays that can be used to activate external contactors. They can induce external currents (up to) through solid-state or split type current sensing loopsone hundred and fiftyAmpere).

The model has a fixed or adjustable current sensing trigger point or voltage output. Externally visibleLEDIndicate the status of the relay coil and current sensor trigger. Provided on certain models (closed)-open-The automatic override switch is a true override switch located on the load side of the relay.

In electronic or electrical engineering, current is a crucial factor. In electronics, the bandwidth of current varies from a few milliamps to several hundred amperes. In the electrical field, this range can be wider, typically reaching several thousand amperes, especially in the power grid. There are various methods for sensing and measuring the internal current of circuits or conductors. In this article, we will discuss the advantages and disadvantages of using various current sensing technologies to measure currentPoints and applications. 除此之外，還需要考慮可接受的靈敏度和干擾。由于不能滿足每一個因素，根據應用程序需求的優先級，會做出一些折衷，以使一個特性與另一個特性相妥協。

Advantages:

Can be used for higher frequencies;Accurately used for both AC and DC;Based on non-contact methods;Can be used in harsh environments;It is reliable.

inferiority：

Sensor drift requires compensation,Additional circuits require useful outputs,More expensive than diversion technology.