The Best Current Sensors

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Discover now our comparison of the best Current Sensors. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Current Sensors are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Current Sensors in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

SaleNo. 1

CrocSee Miniature Current Switch, CS-TS0, Normally Open Amp Sensor Monitoring Relay, AC 1-50A Detectable

N.O. Universal Outputs: 2.5A @ 120 VAC/240VAC; In 240V circuit, only one 120V hot line is connected.
Self-powered, no external power supply required
Accurate & Dependable: Offers a sensing range of 1 to 50 amps and universal, solid-state outputs; Accuracy: 1%
Faster Response Time: Once current flow is detected, it closes a set of contacts immidiately; Response Time: ≤200ms
NOTE: If you want to test the operation of the sensor switch, a load must be applied across the NO contacts; otherwise, it will not work.

No. 2

AC Current Sensing Switch, Adjustable Self-Powered Sensing Switch Normally Open Amp Sensor Monitoring Relay for Automated Equipment (0.2-30A)

Accurate and Reliable: AC current sensing switch provides induction range and general solid-state output with current range of 0.2-30A. Its measurement accuracy is better than 1%, which is suitable for the measurement of any waveform
Wide Measuring Range of Current Sensor: Miniaturization current switch can measure the current and voltage of any waveform, such as DC, AC, pulse, triangular waveform, etc., and can faithfully reflect even the transient peak current and voltage signals
High Response Speed: Flameproof adjustable AC current sensing switch will immediately close a group of contacts once current is detected. Response time: ≤ 200ms, the extremely high response speed also adds another layer of guarantee to the safety performance of flameproof adjustable AC current sensing switch
High Safety: Self powered sensing switch for automated industrial equipment uses the electromagnetic induction principle of current and adopts advanced output detection, monitoring, protection and alarm products developed by non power supply technology. At the same time, it has wide frequency band, strong anti-interference ability and strong overload ability. A series of guarantees escort the safety of self powered sensing switch for automated industrial equipment
Wide Scope of Application: Adjustable isolation AC current switch is applicable to substation, variable frequency speed regulation device, inverter device, electroplating, electric locomotive, street lamp monitoring, coal mine and other automation industries requiring current monitoring. NC / no current switch can control various automatic industrial equipment, flashlight, buzzer, relay, microcontroller or other electrical load devices

No. 3

HiLetgo 2pcs ACS712 30A Current Sensor Module 30A Range ACS712 Module

Current sensor chip: ACS712ELC-30A
Pin 5V power supply, on-board power indicator
The module can measure the positive and negative 20 amps, corresponding to the analog output 100mV / A
There is no the detection current through, the output voltage is VCC / 2

No. 4

6 Consomer Reviews

Haosie 1pcs Split Core Current, PZCT-02 Current Sensor, Split Core Current Transformer Coil Sensor for 100A Amp Energy Meter

GOOD PROPERTIES - Fully enclosed, good mechanical properties and environmental resistance, strong voltage isolation capability, safety and reliability.
SNAP JOINT STRUCTURE - Using snap joint structure, the current sensor transformer can be fixed to the cable directly through nylon tiesgrade, convenient to use.
EASY TO USE - Built in input coil, small and lightweight, easy to install. When you fix the energy meter, you don't need to cut off the power if you use this product.
MINI SIZE - AC current sensor is a mini split base current transformer, it's the smallest one compared to the similar products (output 100MA). The diameter of inner hole is 16mm, the accuracy is 0.5 grade.
SERVICE GUARANTEE - If you have any questions, don't hesitate to contact customer service, our customer service will reply to you within 24 hours!

No. 5

UMLIFE 5pcs ACS712 30A Range Current Sensor Module Detector ACS712ELC 5A 20A 30A Amps Amperage (30A)

Pin 5V power supply, on-board power indicator;
No test current , the output voltage is VCC / 2;
The module can measure range 5 / 20 /30 amps, corresponding to the analog output 100mV / A;
A wide range of applications:The current sensor ACS712 provides economical and accurate solutions for ac or dc sensing in industrial, commercial and communication systems. Typical applications include motor control, load detection and management, switching power supply and overcurrent fault protection.
Current sensor chips: ACS712ELC-5A / ACS712ELC-20A / ACS712ELC-30A [There are three specifications for the product 5A / 20A /30A. You can choose the specifications according to your needs.

No. 6

3PCS 30A Range Current Sensor ACS712 Module AC/DC for Arduino (30A)

Current sensor chip: ACS712ELC-30A（Note: there are 3 specifications of the product 5A/20A/30A, Pls choose them accroding to your needs.）
Pin 5V power supply; on-board power indicator; Measuring range: ±30 amps, corresponding Analog output:66mV/A.
When there is no the detection current through, the output voltage is VCC/2
Note: ACS712 module is based on the principle of Hall detection, please avoid the influence of magnetic field when using it!
Package includes:3 Pack 30A Current Sensor ACS712 Module.

No. 7

4Pcs 100A/50mA SCT013000 Non-invasive Split Transformer Sensor SCT-013-000 Split Core Current Sensor Transformer, Blue, 4psct100A

Applications Suitable for current measuring, monitoring and protection of AC motors, lighting equipment, air compressors, etc.
Reliability Fully compatible with most similar products; the number of opening and closing times is not less than 1000 (tested at 20℃); this split core current transformer is particularly suitable which can use for a long time for DIY use and it works well with arduino and raspberry pi.
Specification Opening size: 13mm × 13mm; frequency: 50HZ-150KHZ; working temperature: -25℃～+70℃; lead length: 1.5 meters, standard Φ3.5 three-pin plug outpu
Non-linearity 3% (10% 120% rated input current) two output forms of current and voltage (voltage output type built-in sampling resistor).
Package Include 4Pcs x SCT-013-000 Split Core Current Transformer Sensor

No. 8

Current Transmitter, FCS2151-SD-420E Current Transducer Transmitter Transformer Sensor AC Current Converter 0-200A

Mutual inductance current monitoring, high current detection accuracy, stable performance, safe isolation of input and output.Magnetic hysteresis less than 1%, can be used in strong magnetic field conditions.
The measured current AC: 0-100A / 150A / 200A can be selected.Output signal DC: 0-5V / 0-10V /4-20mA three forms are available.
Installation and using are easy and convenient, there is no need to connect the dc series into the circuit during measurement.Through-heart structure design, isolation withstand voltage up to 2000V AC.
The outer casing is made of self-extinguishing material, safe and durable.It is used for AC current monitoring, detection, current overload protection, and is also used as an electronic switch for automatic control systems.
It is suitable for various applications requiring current and voltage conversion.It has the characteristics of strong overload ability, high precision, high isolation, high security, low power consumption and strong anti-interference ability.

SaleNo. 9

Encyclopedia of Electronic Components Volume 3: Sensors for Location, Presence, Proximity, Orientation, Oscillation, Force, Load, Human Input, Liquid ... Light, Heat, Sound, and Electricity

Platt, Charles (Author)
English (Publication Language)
256 Pages - 05/31/2016 (Publication Date) - Make Community, LLC (Publisher)

No. 10

WayinTop 2pcs ACS712 Hall Effect Current Sensor Module 30A Range ACS712 Module + 2pcs Voltage Sensor Module DC0-25V Voltage Tester Terminal Sensor for Arduino

【Perfect Combination】Using this product can measure both voltage and current, very suitable for DIY electronic design projects.
【Current Sensor Module】Chip: ACS712ELC-30A; Pin 5V power supply, on-board power indicator; The module can measure positive and negative current of 30 amperes, corresponding to analog output of 66mV/A.
【Voltage Sensor Module】Voltage input range: DC0-25V; Voltage detection range: DC0.02445V-25V; Voltage Analog Resolution: 0.00489V; DC input connector: Terminal cathode connected to VCC, GND negative pole; Output interface: "+" then 5/3.3V, "-" then GND, "s" then the for Arduino AD pins.
【Package Included】2 x ACS712 Hall Effect Current Sensor Module + 2 x Voltage Sensor Module DC0-25V Voltage Tester Terminal Sensor

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Last update on 2025-04-14 / Affiliate links / Images from Amazon Product Advertising API

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