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Category: Current sensors
Comprehensive Current Measurement Solutions
We offer a wide range of technologically advanced sensors designed for precise current monitoring. Our products include Hall effect-based current sensors that allow accurate measurement of both DC and AC currents without direct contact with the conductor. With digital and analog interfaces, our sensors are easy to integrate with various electronic systems. Our selection includes both basic models and advanced bidirectional sensors, as well as modules with power monitors that offer additional features such as voltage and power measurement. Our products are used in energy monitoring systems, power management, and industrial automation, ensuring reliability and measurement accuracy.
There are 162 products.
A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±10 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and its low current path resistance (~1.6 mΩ) minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5452
Crowtail – Electricity Sensor 2.0 enables precise measurement of alternating current up to 5 A, converting the signal into a 2 V analog voltage. Intended for energy monitoring projects and integration with microcontroller systems.
Compact module for bidirectional current measurement using the galvanically isolated Allegro ACS37030LMYATR-040B3 sensor. A combination of Hall-effect sensing and an inductive coil provides DC to 5 MHz measurement bandwidth, a ±40 A range, and a typical response time of 40 ns. Pololu 5695
Compact current measurement module using the Allegro ACS37100LMATR-025B3 TMR sensor with a galvanically isolated current path. It enables bidirectional current measurement in the ±25 A range, offering measurement bandwidth up to 10 MHz and a short response time of approximately 50 ns. Pololu 5476
Compact current sensor Pololu 5306 based on the CT432-HSWF50DR, designed for measuring current in the 0–50A range at 5V supply in applications requiring galvanic isolation and analog voltage output. Pololu 5306
Large Carrier version current sensor from Pololu, model 5297, based on the ACS37220LEZATR-100B5 IC, designed for measuring current in the range from -100 A to +100 A at a 5 V supply in applications requiring galvanic isolation and analog output. Pololu 5297
Compact current sensor Pololu 5302 based on the CT432-HSWF50MR, designed for current measurement in the range from -50A to +50A at 5V supply in applications requiring galvanic isolation and analog voltage output. Pololu 5302
Module with an analog AC current sensor in a set with a probe for non-contact measurement of alternating current with a current of up to 5A. DFRobot SEN0287
Compact current sensor Pololu 5301 based on the CT432-HSWF30MR, designed for current measurement in the range from -30A to +30A at 5V supply in applications requiring galvanic isolation and analog voltage output. Pololu 5301
Large Carrier version current sensor from Pololu, model 5274, based on the ACS72981LLRATR-100B5 IC, designed for measuring current in the range from -100 A to +100 A at a 5 V supply in applications requiring galvanic isolation and analog output. Pololu 5274
Large Carrier version current sensor from Pololu, model 5275, based on the ACS72981LLRATR-100U3 IC, designed for measuring current in the range from 0 A to 100 A at a 3.3 V supply in applications requiring galvanic isolation and analog output. Pololu 5275
Large Carrier version current sensor from Pololu, model 5276, based on the ACS72981LLRATR-100U5 IC, designed for measuring current in the range from 0 A to 100 A at a 5 V supply in applications requiring galvanic isolation and analog output. Pololu 5276
The ACS72981 current sensor module uses the Hall effect to accurately and safely measure AC and DC current, providing electrical isolation of the current path. With a wideband analog output (up to 250 kHz) and low conduction resistance (0.2 mΩ), it minimizes energy loss and offers a fast response time of less than 2 µs. Pololu 5270
Large Carrier version current sensor from Pololu, model 5298, based on the ACS37220LEZATR-150B5 IC, designed for measuring current in the range from -150 A to +150 A at a 5 V supply in applications requiring galvanic isolation and analog output. Pololu 5298
Large Carrier version current sensor from Pololu, model 5299, based on the ACS37220LEZATR-200B5 IC, designed for measuring current in the range from -200 A to +200 A at a 5 V supply in applications requiring galvanic isolation and analog output. Pololu 5299
Compact current sensor Pololu 5300 based on the CT432-HSWF20MR, designed for current measurement in the range from -20A to +20A at 5V supply in applications requiring galvanic isolation and analog voltage output. Pololu 5300
The ACS71240 current sensor module uses the Hall effect to accurately and safely measure AC and DC current, providing electrical isolation of the current path. With a wideband analog output (up to 120 kHz) and low conduction resistance (0.6 mΩ), it minimizes energy loss and offers a fast response time of less than 5 µs. Pololu 5246
A digital precision current sensor module that measures voltage, current and power of electronic modules and devices up to 26V and 8A with a relative error of ± 0.2%. DFRobot SEN0291
A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±10 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and the low current path resistance minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5444
The ACS72981 current sensor module uses the Hall effect to precisely and safely measure DC current while providing electrical isolation of the current path. With a wideband analog output (up to 250 kHz) and low conduction resistance (0.2 mΩ), it minimizes power loss and offers a fast response time of less than 2 µs. Pololu 5264
Current Sensors for Every Application
We offer a wide range of current sensors suitable for both professionals and hobbyists. Our bidirectional sensors allow current measurement in both directions, making them ideal for energy storage systems. Additionally, we offer digital current sensors that provide high levels of precision and reliability, making them an excellent choice for applications requiring accurate measurements.
Advanced Measurement Technologies
Our current and voltage sensors, including modules with power monitors, are equipped with modern measurement technologies. This makes them easy to integrate with various electronic systems. We also offer sensors with I2C interfaces that enable easy communication with microcontrollers. Our products are characterized by reliability and high-quality workmanship, making them ideal for professional and educational applications.
High Quality and Reliability
Every current sensor in our range has undergone rigorous quality testing to ensure long-lasting and trouble-free operation. Whether you need a sensor for simple applications or an advanced module for power monitoring, you will find a product that meets your requirements.
Benefits of Choosing Our Sensors
By choosing our current sensors, you gain access to products that are precise, easy to use, and compatible with various systems. Our sensors are ideal for use in energy monitoring, industrial automation, and education. With a wide range of available products, everyone can find something suitable. We invite you to explore our offer and choose the best current sensor that meets all your expectations.