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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C1 is Cbyp in the ACS datasheet and should be acs712elv-20a. Dave January 11, In arduino 1 digit approx 25mA.

If you connect it opposite of this picture, the output will decrease from the 2. Don February 4, Value 0 current. By continuing to visit this site you agree to accept cookies.

In Arduino Used smooth average of 10 measurement no avail. Print Share on Tumblr. Leave a Reply Cancel reply. Found a solution on the internet that worked to make more stable: This website uses cookies to enhance your experience.


If you are connected as illustrated below, the output will raise. Using the same 5A module, the output would be 2. In your AC current tutorial you say: Jyk July 8, 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. Sameer January 13, I used the sensor whitout any load but still take current from dc power supply.

This should not be used in a permanent line voltage application. While the data sheet does not discuss phase shift, it does discuss rise time.

Does anyone know the values for C1 and C2? Now imagine the battery polarity reversed. Is there any phase error between input current and output voltage? Hemalatha R June 26, As mentioned before, these modules are primarily designed for use with micro-controllers like the Arduino.

ACS712 Current Sensor User Manual

Florin November 14, Hary January 7, Carl Bartlett June 16, The Vcc of the circuit is 5. Thanks for the great tutorials. It should not be used near significant magnetic fields.


Sir,I want to measure three phase current with arduinothe current sensor ACS will be applicable to measure or not? It will only set you back a few dollars. Need advice, Best regards, Novan. I want to use this sensor to measure current of 14VDC motor.

Pay attention to the polarity at the load end of the device. More stable and sensitivity of mA.

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

dwtasheet The datasheet below will give you greater insight into the specifications and operation of this manual. I have not used this sensor in that type of application. Raja May 11,