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This Meter provides accurate AC, AC/DC Current and Voltage readings, regardless of waveforms. These meters can be used in most applications where non-linear loads distort the Current or Voltage waveform.

"Tear-drop jaws give easy access to confined areas for this robust and accurate clamp meter"

True RMS Clamp Meter (ST-3347)

  • Features:

    • 1000A True RMS measurement
    • Peak Hold function
    • Electronic overload protection
    • Includes temperature probe


    Current DC10mA to 1000A±(2.8%+8d)
    Current AC10mA to 1000A±(2.8%+8d)
    Voltage DC0.1mV to 600V±(0.8%+2d)
    Voltage AC0.1mV to 600V±(1%+10d)
    Resistance0.1Ω to 40MΩ±(1%+4d)
    Capacitance1pF to 40mF±(3%+5d)
    Frequency1Hz to 4kHz±(1.5%+2d)
    Temperature-40°C to 1000°C±(2.5%+3°C)

    CAT III 1000V; TÜV Rheinland Group; EMC & LVD; EN: 61326; EN: 61010-1; EN: 61010-031

    Calibration Available:

    To add Calibration to your order, please call AMECaL for pricing on 0191 262 2266 or email

    All specifications, illustrations and descriptions of AMECaL Products are intended to give a general idea of the Products available and are subject to alteration. We reserve the right to substitute an alternative of similar specification at our discretion. AMECaL has taken all reasonable steps to ensure the accuracy of Product information provided, but we accept no liability for any errors or omissions.

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