EXTECH MA145 True RMS 300A AC/DC Clamp Meter

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    EXTECH MA145 discontinued replaced with the Yokogawa CL220


    CAT III-600V safety rating
    Choice of AC Current or AC/DC Current model with 0.8″ (22mm) jaw size and high accuracy. Smart Auto Sense feature enables the MA145 to recognize the input (within a given function) and automatically switch to the correct mode of operation (i.e. AC to DC Current measurement). Built-in Non-Contact Voltage (NCV) Detector allows for quick detection of live voltage.
    The MA145 measures AC/DC current to 300A and offers a Smart Data Hold feature, display Backlight, In-rush Current mode, DCA Zero, Low Pass Filtering (LPF), and a non-contact Voltage Detection feature that senses electrical sources safely.

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    Authorised Australian Distributor.


    SKU: EXTECH MA145 Categories: , Tag:


    • MA145 True RMS 300A AC/DC Mini Clamp Meter + NCV
    • AC/DC Current and Zero function for accurate DC measurements
    • True RMS for accurate readings of noisy, distorted or non-sinusoidal waveforms
    • Compact 0.8″ (22mm) jaw size accommodates conductors up to 300MCM and allows measurements in tight locations
    • Unique Smart Auto Sense feature
    • Low Pass Filter (LPF) for accurate measurement of variable frequency drive signals
    • Built-in Non-Contact Voltage (NCV) detector
    • Inrush current measurement
    • 6000 count backlit LCD display
    • Smart Data Hold: Audiovisual alert when a new reading exceeds 50 digits of a held reading
    • Low battery indicator and Auto Power Off feature
    • CAT III-600V safety rating
    • Complete with carrying case and two LR44 batteries


    Model MA145
    AC Current (max resolution) 0A, 300A (0.01A)
    DC Current (max resolution) 60A, 300A (0.01A)
    Basic accuracy AC: ±1.5%, DC: ±1.5%
    Non-Contact Voltage (NCV) 80 to 600V
    Dimensions 5.8×2.4×1.2″ (147x60x31mm)
    Weight 4.9oz (140g)
    Weight 1 kg


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