Crowtail - Current Sensor - 20A

Crowtail - Current Sensor - 20A
  • Crowtail - Current Sensor 100x80
  • Crowtail - Current Sensor 100x80
Item numberCT0029CS
Only ... pieces left in stock , while supply lasts
Expected shipping date: Tuesday 23 April.


This is the last stock before the product will be removed from the shop.
Sold per piece
€ 3,95
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  • Buy 50 pieces for € 3,70 per piece6% discount
  • Buy 100 pieces for € 3,60 per piece9% discount
  • Buy 500 pieces for € 3,50 per piece11% discount


This current sensor gives precise current measurement for both AC and DC signals. These are good sensors for metering and measuring overall power consumption of systems. The ACS712 current sensor measures up to 20A of DC or AC current. The ACS712 Low Current Sensor Breakout outputs an analog voltage that varies linearly with sensed current. To calibrate, first set the output offset to the desired level (with zero current on the sense lines, read output with a DVM). Then with a known current input (a 100mA limited supply works well for this), set the output deflection with the gain pot. Sensitivity is then calculated as (Vref - Vdeflect)/(current input).

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