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KNACRO ±20A AC and DC Current Sensor Module ACS712 Arduino ACS712ELCTR-20A

KNACRO ±20A AC and DC Current Sensor Module ACS712 Arduino ACS712ELCTR-20A

Name: KNACRO ±20A AC and DC Current Sensor Module ACS712 Arduino ACS712ELCTR-20A
Brand: Knacro
Price: 19.18 XCD
Availability: OutOfStock
Rating: 3.3333333333333335 (3 reviews)

Product ID: 32566743

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Description

Sensor: ACS712ELCTR-20A.
Stable output offset voltage.
Internal Conductor Resistance: 1.2mΩ.
Output Sensitivity: 100mV / A.
Measurement range:±20A.

Sensor: ACS712ELCTR-20A. Stable output offset voltage. Internal Conductor Resistance: 1.2mΩ. Output Sensitivity: 100mV / A. Measurement range:±20A. Sensor: ACS712ELCTR-20A. Stable output offset voltage. Internal Conductor Resistance: 1.2mΩ. Output Sensitivity: 100mV / A. Measurement range:±20A. When the current is 0, the output is the power midpoint voltage, isolation type. Working Voltage: 5V. Corresponding Analog output: 100mV / A. Working Current: 10mA. Working Temperature: -40-85℃. Package includes: ACS712(20A) Module x1.

Reviews

H**K

No stable 0 load or low load

I connected this to a load shedding Arduino Mega at 120VAC and less than 20 Amp loads. The 0 load signal is supposed to be 2.5 VDC however it varies between 2.4 and 2.6 VDC at 0 load. I plotted the variation and there is no relationship with time. It is completely random. A 3.7 amp load can jump all the way from 1 Amp to 4.5 Amp at random. Stable it is not and it is not even useful to determine if a load is present. Total waste of time and money.

19.12.2018

B**O

Four Stars

worked well right out of the box.

27.07.2018

A**N

Matches the readings I get from my multimeter and has ...

Matches the readings I get from my multimeter and has stayed consistent for the month I have been using it

4.03.2017

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