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    Clamp Meter for True RMS AC Current 600A Measurement

    AC clamp meter has AC current range 0-600A, AC/DC voltage range 0-600V, resistance range 0-20MΩ, maximum display value 1999 and maximum jaw opening size 36mm. True RMS clamp meter can be used for sine wave signal measurement. AC clamp meter also has special functions of automatic power off, back light and LED torch.
    SKU: ATO-CLAM-2018A
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Digital clamp meter has AC current range 0-600A, TRMS function, maximum jaw opening size 36mm, 4 digit display and maximum value 1999.


    Basics Model ATO-UA2018A
    Weight 530g
    Size (L*W*H) 210*78*35mm
    Display 4 digit LCD display
    Maximum display value 1999
    Power supply DC 4.5V, 3 AAA batteries
    Maximum jaw opening size 36mm
    Woring environment Temperature: 5℃~35℃ (41℉~95℉), relative humidity:<75%
    Storage temperature -10℃~+50℃ (14℉~122℉)
    Accessories A pair of test probes, a user manual, 3 AAA batteries
    Functions Item Range Accuracy
    AC current 600A ±(3.0%+10 digits)
    DC voltage 600V ±(0.8%+2 digits)
    AC voltage 600V ±(1.0%+10 digits)
    Resistance 20MΩ ±(1.2%+2 digits)
    Special functions TRMS True RMS measurement for sine wave signal
    Diode test Display forward voltage value of diode
    On-off buzzer Continuity test buzzer
    Data hold Hold the reading when taking a measurement
    Automatic power off Automatic power off when 15 minutes no operation
    Overload protection Overload protection for 100% range
    Range selection Manual range selection
    Backlight Backlight for LCD display
    Inspection light Inspection light for clamp operation
    LED torch A LED torch for night lighting


    600A AC Current Clamp Meter Details

    Tips: Resistance measurement of AC clamp meter
    To avoid damage to the AC clamp meter or the device under test, all power supply to the circuit under test should be cut off and all high voltage capacitors fully discharged before measuring the resistance.
    Resistance measurement:

    1. Turn the rotate dial to the resistance function.
    2. Insert the black test lead into the COM jack,and the red test lead into the resistance jack.
    3. Use the other end of the test pen to measure the resistance of the circuit under test.
    4. Read the measured resistance value from the LCD.


    1. The measured resistance on the circuit will usually differ from the resistance rating.
    2. In the measurement of low resistance, in order to measure accurately, short-circuit the two test leads, read out the resistance of the test leads short-circuit, after measuring the resistance to be measured to be subtracted from the resistance.
    3. At 20MΩ, the meter may take a few seconds to stabilize the reading, which is normal for high resistance measurements.
    4. When the meter is open, the display will show '0L', indicating that the measured value is out of range.
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