Top rated current sensors

Product Category Search

AI-generated summary · updated September 7, 2026 · verify details before purchase.

1. 

   1 Best for beginners ALLEGRO MICROSYSTEMS

   Allegro MicroSystems ACS712

   ★★★★☆4.2/5 $6.02 Only 11 left

   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

   View on Amazon manufacturer site
2. 2 Best for digital precision

   Texas Instruments INA219

   ★★★★★4.8/5 $8 - $12

   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

   View on Amazon manufacturer site
3. 

   3 Best for AC energy monitoring YHDC

   YHDC SCT-013-000

   ★★★★★4.7/5 $12.99 Only 10 left

   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

   View on Amazon manufacturer site
4. 

   4 Best for high current DC ALLEGRO MICROSYSTEMS

   Allegro MicroSystems ACS758

   ★★★★☆4.5/5 $7.75 Only 8 left

   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

   View on Amazon manufacturer site
5. 5 Best multi-channel sensor

   Texas Instruments INA3221

   ★★★★★4.6/5 $5 - $10

   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

   View on Amazon manufacturer site
6. 6 Best industrial grade

   LEM LA 55-P

   ★★★★★4.6/5 $50 - $70

   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

   View on Amazon manufacturer site

Related Queries

• diode lasers
• multiple stud terminals
• selector switches
• industrial electrical antennas
• optical sensors
• fiber optic attenuators
• acceleration sensors
• electronic ferrites
• process controllers
• lcd touch panels
• schottky diodes
• single fixed resistors
• motion actuated switches
• super luminescent leds
• photoelectric sensors