Fluke ST240+ RCD Socket Tester – Easily Verify Wiring with This Compact and Accurate Tester

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The Fluke ST240+ Socket Tester is a compact and easy-to-use power socket tester that is perfect for electricians, home inspectors, and technicians who need to verify the correct wiring of Australian outlets. The bright LEDs and integrated RCD test button allow for quick and accurate testing, while the beeper gives peace of mind by alerting users to any miswiring. This tester is a must-have for anyone working with electrical systems.


PDF Download Fluke ST240+ Socket Tester Datasheet

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    Fluke ST240+ RCD Socket Tester is Easy to Use

    The bright LEDs and included chart on this device can help you quickly and easily check the wiring of an Australian outlet socket. You can also identify several common wiring errors, like reversed phase and neutral wires, or an open ground.

    Save Time

    The ST240+ also has a unique alarm that goes off anytime voltage is detected. This way, you can save time when trying to find which circuit breaker is connected to which outlet. You just need to plug the socket tester in, walk to the circuit breaker panel, and listen for the beeper to turn off or on as they flip the breakers. Once it does, you have found the correct breaker. Time and trips saved.

    One-button RCD tests

    By testing your outlets with an integrated RCD test, you can be sure that they are all working properly.

    The ST240+ has three bright, easy-to-see LED indicators. This lets you see, at a glance, one of six wiring conditions:

    • Correct installation
    • Earth fault
    • Neutral fault
    • Live fault
    • Live neutral reversed
    • Live earth reversed
    Weight 0.1 kg




    Rated operating voltage

    230 V ac +/-10% at 4 mA


    .92 W typical


    50 Hz

    Integrated, switchable beeper


    RCD test


    Indicator lights

    1 red, 2 green LEDs


    300 V CAT II


    Two years