ACS712 5A Current Sensor for Arduino AC/DC for accurate current measurement

Name: ACS712 5A Current Sensor for Arduino AC/DC for accurate current measurement
Brand: satkit
SKU: Y020305-ACS712
Price: 2.02 EUR
Availability: InStock

Brand: satkit

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The ACS712 5A Current Sensor for Arduino AC/DC is an electronic module designed to measure the current flowing through a conductor, in both alternating current (AC) and direct current (DC). Based on the Allegro ACS712-05 integrated circuit, it uses the Hall effect to detect current without direct contact, ensuring safe and efficient measurement.

This sensor is ideal for projects with Arduino and other microcontrollers, allowing makers, students and professionals to monitor electrical consumption in their circuits simply and accurately.

Main features

Type: AC/DC current sensor
Chip: Allegro ACS712-05
Power supply: 4,5 to 5,5 Vdc
Measurement range: 0 to 5 A AC/DC
Internal resistance: 1,2 mΩ
Protection: 2,1 kV rms electrical isolation
Output: 185 mV/A analogue signal
Response time: 5 microseconds
Maximum error: 1,5 %

Typical uses

Current measurement in Arduino projects and embedded systems.
Monitoring electrical consumption in electronic devices.
Development of electrical protection and control systems.
Educational applications for learning about electronics and sensors.

Compatibility

This sensor is compatible with most Arduino boards and microcontrollers that can read analogue signals. Its standard 5 V supply makes it easy to integrate into electronics and robotics projects.

Thanks to its compact design and easy connection, it is an essential tool for anyone looking to measure current accurately and safely in their technology developments.

Measures 0 to 5 A AC and DC current with high accuracy
Based on the ACS712-05 chip with Hall effect for contactless measurement
4,5 to 5,5 Vdc supply compatible with Arduino
Analogue output proportional to current (185 mV/A)
Safe 2,1 kV rms electrical isolation for protection
Fast 5 microseconds response time for dynamic measurements
Maximum error of 1,5 % for reliable results

Customer Questions & Answers

What is the actual response time, and how does it affect the measurement of fast AC signals?

The ACS712-05 has a response time of 5 µs. This allows AC signals of up to 60 kHz to be measured with suitable waveform resolution. For higher frequencies, signal attenuation and distortion may be significant and use beyond the specified limit is not recommended.

How do you connect the ACS712 sensor to an Arduino?

The ACS712 sensor connects to the Arduino by powering it with 5V, connecting the analogue output to an analogue pin on the Arduino, and connecting a common ground.

What current range can this sensor measure?

It can measure currents from 0 to 5 amperes in both alternating current (AC) and direct current (DC).

Do you need to calibrate the sensor before use?

Yes, it is recommended to calibrate the sensor to obtain more accurate measurements by adjusting the reading based on the reference value.

What type of projects is this sensor suitable for?

It is ideal for electronics and robotics projects with Arduino that require current measurement, such as motor control or consumption monitoring.

What type of output does the ACS712 sensor have?

The sensor provides an analogue output proportional to the measured current, with a sensitivity of 185 mV per ampere.