Product Category Search
Top rated current sensors
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Best for beginners ALLEGRO MICROSYSTEMSAllegro MicroSystems ACS712
A cost-effective Hall effect sensor widely used in Arduino and DIY projects for measuring DC and AC current up to 30A.
- Low cost
- Easy interface
- AC and DC support
- Noisy at low currents
- Requires calibration
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Best for digital precision
Texas Instruments INA219
A high-precision I2C current and power monitor that measures both shunt voltage drop and bus voltage, ideal for battery projects.
- I2C digital output
- Measures voltage and power
- High accuracy
- DC only
- Limited to 26V bus
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Best for AC energy monitoring SazkJereYHDC SCT-013-000
A non-invasive split-core current transformer perfect for measuring AC current in home energy monitoring systems.
- Non-invasive clip-on
- Electrically isolated
- High linearity
- AC only
- Requires burden resistor
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Best for high current DC ALLEGRO MICROSYSTEMSAllegro MicroSystems ACS758
A robust Hall effect sensor capable of measuring very high currents up to 200A with low internal resistance.
- High current capacity
- Low resistance
- Isolated output
- Large footprint
- Requires external filtering
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Best multi-channel sensor
Texas Instruments INA3221
A triple-channel shunt and bus voltage monitor that allows for simultaneous current measurement on three different power rails.
- Simultaneous 3-channel
- I2C interface
- Independent programmable alerts
- Complex setup
- Lower resolution per channel
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Best industrial grade
LEM LA 55-P
A closed-loop Hall effect current transducer offering high precision and electrical isolation for industrial applications.
- Excellent accuracy
- High bandwidth
- Galvanic isolation
- Expensive
- Requires external power