These current sensors are offered with full scale values of 5A, 20A and 30A. The basic 5A Module, 20A Module, 30A Module ACSELC Datasheet. These sensors are based on the Allegro ACSELC chip. These current sensors are offered with full scale values of 5A, 20A and 30A. The basic functional. ACSELC Datasheet, ACSELC PDF, ACSELC Data sheet, ACSELCTRA-T, Fully Integrated, Hall Effect-Based Linear Current Sensor with.

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Carl Bartlett June 16, MRC November 9, More stable and sensitivity of mA.

ACS712 Current Sensor- 20A

In arduino 1 digit approx 25mA. Does anyone know the values for C1 and C2?

It should not be used near significant magnetic fields. The datasheet below will give you greater insight into the specifications and vatasheet of this manual. Leave a Reply Cancel reply.

Philippe July 21, I want to use this sensor to measure current of 14VDC motor. The only difference is with the scale factor at the output as detailed below.

Need advice, Best regards, Novan. Depending on the degree of precision you require, it could affect your measurements. John January 2, Found a solution on the internet that worked to make more stable: Hemalatha R June 26, If there is no load but there are some value meassured not zero, make sure the ground from acs to s also connected with arduino.


datasueet How we get to know that values which we are getting are true? As mentioned before, these modules are primarily designed for use with micro-controllers like the Arduino. Because I am not aware of any certifications for the device to indicate that it is safe for high voltage applications.

In your AC current tutorial you say: Once connected, the output would be scaled to the current drawn through the bulb.

The Vcc of the circuit is 5. By continuing to visit this site you agree to accept cookies. If this were a 5 Amp module and the light bulb pulled 1 Amp, the output of the module would be 2. Sir, I am using this sensor in my power factor calculation project. While the data sheet does not discuss phase shift, it does discuss rise time.

Values currentsensor jumped to much. Your email address will not be published. Dave January 11, Value 0 current. Is it possible to replace the load LED by this motor? It will only set you back a few dollars.


Pay attention to the polarity at the load end of the device. If you are connected as illustrated below, the output will raise.

ACSELC Datasheet, PDF – Alldatasheet

This should not be used in a permanent line voltage application. Faiza sana November 19, Control with arduino and display to visualize current and voltage.

I see qcs712elc-20a whole lot of challenges. The motor should pull about 17A. Thanks for the great tutorials. Using the same 5A module, the output would be 2. Now imagine the battery polarity reversed. If the light bulb shown in the picture above were disconnected, the output of datashet ACS module would be 2.

ACS Hall Current Sensor (20A) | Open ImpulseOpen Impulse

Hary January 7, Sameer January 13, Do you think it is possible? Is there any phase error between input current and output voltage? Is there any changes which I acs712elc-20w to make in program? Thank you for your nice tutorial and I want to ask you something Can this model read the current value of household electric appliance?

Raja May 11,

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