Selecting the right current sensor is crucial for accurate electrical measurements in various applications, from DIY projects to professional industrial settings. Understanding the key features and specifications will ensure you choose a device that meets your specific needs for safety, efficiency, and reliability.
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
- GM-recommended replacement part for your GM vehicle's original factory component
- Function: The battery current sensor accurately measures the amount of current flowing in and out of the battery by continuously monitoring the current, then provides real - time data on the battery's charge and discharge status to the vehicle's...
- Vehicle Fitment①: This battery current sensor fits for Dodge Models: 2015-2016 Dodge Challenger 3.6L/5.7L/6.2L/6.4L, 2011-2016 Dodge Charger 3.6L/5.7L, 2015-2016 Dodge Charger 6.2L, 2012-2016 Dodge Charger 6.4L, 2011-2020 Dodge Journey 2.4L...
- Vehicle Fitment②: This battery current sensor fits for Chrysler Models: 2015-2016 Chrysler 200 2.4L/3.6L, 2011-2016 Chrysler 300 3.6L/5.7L, 2012-2014 Chrysler 300 6.4L; Fits for Jeep Models: 2014-2016 Jeep Cherokee 2.4L/3.2L, 2011 Jeep Wrangler 3.8L...
- Replaces Part Numbers: This battery current sensor replaces for part numbers 4692269AI, 4692269AD, 4692269AE, 4692269AF, 4692269AG, 4692269AH, 956-399, 0199200180. Please check the number of your old part before purchasing.
- Function: The battery current sensor accurately measures the amount of current flowing in and out of the battery by continuously monitoring the current, then provides real - time data on the battery's charge and discharge status to the vehicle's...
- Vehicle Fitment: This battery current sensor fits for Honda Models: 2012-2015 Honda Civic, 2012-2016 Honda CR-V; Fits for Acura Models: 2013-2022 Acura ILX, 2013-2017 Acura RDX. Before purchasing, please enter your vehicle trim in the garage tool to...
- Replaces Part Numbers: This battery sensor replaces for part numbers 38920-TR0-A01, 38920TR0A01, 38920-TR0-A02, 38920TR0A02. Please check the number of your old part before purchasing.
- Premium Quality: This battery current sensor is engineered with high quality components and materials. The design is optimized to guarantee a perfect fit and rapid response. Every sensor undergoes a continuous evaluation for fit, form, and function. It...
- Name: ACS712 current sensor module, current sensor chip: ACS712ELC-05B.
- Pin 5V power supply, built-in power indicator.
- Accuracy range：The module can measure 5A positive and negative current, which corresponds to 185mV/A analog output; IP = 0 A, that is, when no detection current flows, the output voltage is VCC/2.
- Applications: Laster detection and management in the area of electric motors and over -current error protection in the area of switching power supplies and various electronic products.
- 【FITMENT CONFIRMATION】Fit for Nissan Altima (L33) 2013-2018 (S, SV, SL, SR; 2.5L/3.5L), Fit for Nissan Leaf 2011-2012, Fit for Nissan Murano (Z12) 2016-2017 (S, SV, SL, Platinum; 3.5L V6), Fit for Nissan Pathfinder (R52) 2013-2014 (S, SV, SL...
- 【PART NUMBER & CROSS REFERENCE】Directly replaces 294G0-1HH0A and 294G01HH0A (also written as 294G0 1HH0A). This negative battery terminal sensor communicates with the ECM (Engine Control Module) to regulate alternator charging output. If your vehicle...
- 【WELL-CONSTRUCTED — SENSOR SPECIFICATIONS】Manufactured with precision-calibrated internal sensing elements providing accurate current measurement (±1.5% accuracy). The sensor housing is constructed from engineering-grade plastic with a sealed...
- 【WHEN TO REPLACE — DIAGNOSTIC CODES】Package includes 1x battery current sensor with mounting bracket and electrical connector pre-assembled — ready to install with no splicing or soldering required. Common symptoms of a failed sensor: battery...
- Multi-Purpose: M-3050 AC current sensing switch is specially designed and manufactured to solve AC current monitoring. It uses the principle of mutual inductance to sense AC direct current, isolate the AC current, output normally open or normally closed...
- Upgrade: Compared with traditional transformers, thermal protectors and other devices, using this device can not only get more accurate and timely control, but also greatly simplify the design and reduce costs. Self-powered, no external power supply...
- High Performance: The switch has no limit on the number of times of opening and closing, and the response speed reaches the millisecond level. The hysteresis is less than 1% and can be used under strong magnetic conditions. Through structure design...
- LED Indication: The action current is 0-30A AC, which can be adjusted by the potentiometer. The LED indicator light can easily and intuitively indicate the working status of the switch.
- 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
- INA226 is a current shunt and power monitor with I2C or For SMBUS compatible interface.
- The device simultaneously monitors the parallel voltage drop and the bus power supply voltage. The programmable calibration value, conversion time and average value are used in conjunction with the internal multiplier to directly read the current in...
- INA226 Voltage Current Monitor
- Work voltage: DC 2.7V~5.5V
- Split-Core Current Transformer Size: 56*32*21mm, Weight: 72g, Leading Wire in Length: About 1m.
- The standard Φ3.5 three-core plug output, the current and voltage two kinds of output. Hanging installation, lead output.
- Input Current: 0~30A AC, Voltage: 1V.
- This split core current transformer is particularly suitable for DIY use and it compatible with arduino and raspberry pi.
- ZMCT103C 5A AC Current Sensor Current Transformer Module
- 5A can be measured within an alternating current, the analog output corresponding to 5A/5mA
- On-board micro-precision current transformer and sampling resistor
- Single Phase Active Analog Signal Output with OP Amp
This article is part of our complete guide Electronics & Computing — browse all our comparisons and buying guides.
Last update on 2026-10-09 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Current Sensors
Understanding Current Sensor Types
Current sensors primarily fall into two categories: Hall effect sensors and current transformers (CTs). Hall effect sensors measure the magnetic field generated by the current flowing through a conductor, offering non-contact measurement and isolation. They are suitable for both AC and DC current. Current transformers, on the other hand, are inductive devices that work by stepping down AC current proportionally. They are efficient for high AC currents but cannot measure DC.
Key Specifications to Consider
When choosing a current sensor, several specifications are paramount. Measurement Range dictates the minimum and maximum current the sensor can accurately detect. Accuracy, often expressed as a percentage, indicates how close the sensor's reading is to the actual current. Bandwidth or frequency response is important for AC measurements, determining the range of frequencies the sensor can handle. Output Type (analog voltage, analog current, digital) will influence how the sensor interfaces with your monitoring system.
AC vs. DC Current Measurement
The type of current you need to measure is a fundamental consideration. For alternating current (AC), both Hall effect sensors and current transformers can be used, though CTs are often preferred for high-current AC applications due to their simplicity and efficiency. For direct current (DC), Hall effect sensors are the primary choice, as CTs cannot detect steady DC currents.
Isolation and Safety
Electrical isolation is a critical safety feature, preventing direct electrical contact between the conductor carrying the current and the sensor's circuitry. This protects both the user and the measurement equipment from dangerous voltage spikes. Most Hall effect sensors offer inherent isolation, while CTs also provide a safe, low-impedance secondary winding.
Application-Specific Needs
Consider the environment and specific use case. For high-voltage industrial applications, robust isolation and wide measurement ranges are essential. For hobbyist projects or lower-power electronics, smaller, more cost-effective sensors might suffice. Ensure the sensor's operating temperature range and physical size are compatible with your setup.
