Best Current Sensors of 2026
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Current sensors are electronic devices designed to measure the flow of electrical current in a circuit. These sensors are commonly used in a wide range of applications, such as power management, renewable energy systems, and electric vehicles. Current sensors work by detecting the magnetic field that is generated by the current flowing through a wire. This magnetic field is then converted into an electrical signal that can be measured and used to monitor the current in the circuit. With their high accuracy and reliability, current sensors are essential components for many electrical systems and offer a practical solution for measuring current without the need for direct contact with the conductor.
At a Glance: Our Top Picks
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Top 6 Current Sensors
DollaTek SCT-013-000 Non-invasive Current Sensor
The DollaTek Current Sensor is designed to measure AC current safely and effectively. Its 13mm x 13mm opening allows for easy installation around existing cables. You will appreciate the non-linearity of just 3% across a wide range of input currents, ensuring accurate readings. With a 1.5m leading wire and a standard output plug, connecting to your devices is straightforward. Additionally, it can provide both current and voltage outputs, enhancing its versatility for various applications.
AZDelivery ACS712 5A Current Sensor Module
The AZDelivery ACS712 Sensor is an efficient device that measures current up to 5 Amperes, making it a versatile tool for various projects. Its compatibility with Bascom allows you to integrate it easily into your existing systems. The sensor can measure a range from -5A to +5A, giving you flexibility in monitoring your electrical applications. With its compact design, you will find it straightforward to install and use, saving you time and effort during setup.
Youmile SCT-013-000 Non-invasive Current Sensor
The Youmile Current Sensor is an excellent tool for those looking to monitor energy usage or protect AC loads from over-current situations. This split core sensor allows you to create your own energy monitor, helping you reduce power consumption effectively. It boasts a high dielectric strength for safety, ensuring reliable operation. With an input current capacity of up to 100A AC and flexible output options, you can easily integrate it into your projects. It is particularly suited for DIY enthusiasts and is compatible with Arduino and Raspberry Pi systems.
YHDC SCT016 Split Core Current Transformer
The YHDC SCT016 Sensor is a reliable split core current transformer designed for a wide range of applications. With a rated input current of 120A, it ensures accurate current measurement, which is essential for monitoring electrical systems. The compact size of 30mm x 46mm x 31mm allows for easy installation in tight spaces. Additionally, the sensor operates effectively within a temperature range of -25℃ to +70℃, making it suitable for various environments. This versatility means you can confidently use it in different settings without concerns about performance.
Hailege INA226 Bi-Directional Current Monitoring Sensors with Alarm
The Hailege INA226 Current Sensor is ideal for monitoring power in servers, telecom equipment, battery chargers, and power supplies. This sensor uses the INA226 I2C interface, allowing precise bi-directional current measurement, which helps you keep track of energy flow efficiently. With high accuracy and 16 programmable addresses, you can easily customise it to suit different applications. Its compact 10-Pin DGS (VSSOP) package ensures a convenient fit in various electronic setups, making it a practical choice for power management tasks.
Hailege ACS758 Linear Current Sensor Module
The Hailege ACS758 Current Sensor offers exceptional performance with its nearly zero magnetic hysteresis, ensuring a highly stable output voltage. This feature allows you to rely on accurate measurements without fluctuations. Additionally, the output voltage is proportional to both AC and DC currents, making it versatile for various applications. With a bandwidth of 120 kHz, this sensor can handle rapid changes in current, providing you with timely data. Operating within a 3-5.5V range, it is convenient for integration into different systems.
Frequently Asked Questions (FAQs)
1. What are the types of current sensors?
Thus, there are two types of current sensing: direct and indirect. Direct sensing is based on Ohm's law, while indirect sensing is based on Faraday's and Ampere's law. Direct Sensing involves measuring the voltage drop associated with the current passing through passive electrical components.
2. How does a current sensor work?
How do current sensors work? When current flows through a conductor, it creates a proportional magnetic field around the conductor. Current transformers use this magnetic field to measure current flow. If the CT is designed to measure AC current, inductive technology is often used.
3. What is meant by current sensor?
A current sensor is a device that detects and converts current to an easily measurable output voltage, which is proportional to the current through the measured path. There are a wide variety of sensors, and each sensor is suitable for a specific current range and environmental condition.
4. Which sensor is used to measure current?
Magnetic Current Sensor. The principle of the magnetic current sensor is that the current to be measured generates a magnetic field around the current path, and by detecting this generated magnetic field using a magnetic sensor, the amount of the current can be measured.
During our current sensor research, we found 236 current sensor products and shortlisted 6 quality products. We collected and analyzed 4,817 customer reviews through our big data system to write the current sensors list. We found that most customers choose current sensors with an average price of £8.92.
The current sensors are available for purchase. We have researched hundreds of brands and picked the top brands of current sensors, including DollaTek, AZDelivery, Youmile, YHDC, Hailege.
Kenneth Collin graduated from Imperial College, London, at 22. He is a UX/UI designer, a web developer, and a writer, amongst others. At age 14, Kenneth programmed his first app. Kenneth's app served as a remote control for censored devices. "When I was 8, I would pick up scraps from electronics and try to rebuild or at least fix them," Kenneth said in one of his recent articles on Home repairs for top gadgets.