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    Home / Sensors / Current and voltage / Current sensor 20A ACS712

    Current sensor 20A ACS712

    Code: LA131014B
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    Arduino Proudový senzor 20A ACS712
    €1,91 €1,58 excl. VAT
    Skladem (36 pcs)
    Delivery to:
    16/12/2024

    A current sensor based on the Hall effect, which allows measurements without contact between the measuring and measured circuit.

    Detailed information

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    Product detailed description

    This module works on the principle of Hall effect and allows you to measure the current for your application.

    Specifications:

    • Chip: ACS712
    • Supply voltage: 5V
    • Current measurement range: ± 20A.
    • Output value at I= 0A: Vcc/2
    • Sensitivity: 66-185mV/A
    • Measurement error (@ 25°C): < 1.5%
    • Internal sensor resistance: 1.2mΩ
    • Rise time: 5us
    • Insulation voltage: 2.1kVRMS
    • Bandwidth: 80kHz
    • Operating temperature: -40°C - +85°C.
    • Size: 31x13mm.

    ACS-712-Basic-Hook-Up

    Please always check the correct wiring according to the descriptions on the board!

    ACS712_3-800x600_1

    Included in delivery:

    • 1pc Current sensor 20A ACS712

    Remark:

    • This product is not a standalone functional unit and may require professional installation.
    • Product images are for illustration purposes only and may sometimes differ from the actual appearance of the item. However, this does not change its basic properties.

    Additional parameters

    Category: Current sensors and voltage measurement
    Warranty: 2 years
    Weight: 0.005 kg
    Output: Analog
    Sensor type: Current
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    RJ Avatar of author Dobře myšleno, ale ... ne. 10/04/2021 11:38
    Je celkem problém připojit drát o průměru 0.75mm² a více, takže pro 20A může člověk na 2.5mm² rovnou zapomenout. Navíc to vyžaduje trochu taneček při připojeni na 3.3V systémy a tak jsem se rozhodnul pro ACS711EX Current Sensor Carrier -31A to +31A od Pololu (88 Kč plusminus) a tohle zůstane v šuplíku.
    Reply
    MN Avatar of author Citlivost, chyba? 09/12/2024 18:19
    Dobrý den, V popisu je napsáno citlivost 66–185mV/A, to je dost velká nepřesnost :D Nemělo to být spíše 166-185mV/A?
    PK Avatar of author Připojení vodiče 2,5mm2 22/03/2022 07:53
    Dobrý den, modul používám v MPPT /DC-AC bazmeku na ohřev vody a vodič průřezu 2,5mm2 opravdu nebyl problém. Nepletete si průřez (plochu) s průměrem? Vodič průměru kolem 2,5mm tam opravdu dostat nejde. Průměr vodiče pro 2,5mm2 je 1.8mm zatímco průměr 2,5mm (spíše 2,8mm2) je průřez6mm2.