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Measure Current, Voltage, or Magnetic Fields with Ease

The Current 20A Analog Sensor Gravity is an electric current electric potential magnetic sensor module with analog output designed for power monitoring, motor feedback, magnetic detection, and control systems. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.

Key details include Current Range: 0 ~ ±20A DC,0 ~ 17A (RMS) AC; Power Supply: +5.0V; Interface: Gravity PH2.0-3P.

Why you’ll love it

  • Analog voltage output: Analog voltage output
  • High voltage isolation: High voltage isolation
  • Measures DC and AC current: Measures DC and AC current
  • Easy wiring: Gravity PH2.0-3P
  • Sensing range: 0 ~ ±20A DC,0 ~ 17A (RMS) AC
  • Power range: +5.0V

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What you can build

This sensor is a good fit for current meters, motor drivers, magnetic door sensing, power dashboards, and fault alerts.

Starter bundles

Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus a breadboard and jumper wires for quick setup and testing.

Recommended add-ons

Useful add-ons include an Arduino or ADC-capable board, jumper wires, and a stable power source, depending on how you plan to power, mount, and log the sensor.

Technical specifications

Product Current 20A Analog Sensor Gravity
Interface Gravity PH2.0-3P
Current Range 0 ~ ±20A DC,0 ~ 17A (RMS) AC
Power Supply +5.0V
Weight 18g
Gravity Analog 20A Current Sensor x1
Dimension 39 * 22 * 17mm/ 1.53 * 0.87 * 0.67 inches
Relative Error ±3%
Measurement Endure 220V AC, 311V DC

Wiring & usage notes

Connect power and ground, then read the sensor output with an analog-capable input or external ADC. Stable power and a clean ground help reduce noise.

What’s in the box

1 × Current 20A Analog Sensor Gravity

Frequently Asked Questions

What does the Current 20A Analog Sensor Gravity measure? It is designed to measure current or power use.
Can I use it with Arduino, ESP32, or Raspberry Pi? Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.
How do I connect this Analog sensor? This sensor gives an analog-style signal, so you read it with an ADC or an analog-capable input.
What affects accuracy? Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.
Is it good for prototyping? Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.

Build with this board

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Notes from the bench

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Ask the community

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