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AC/DC Gaussmeter Magnetic Field Strength Meter Teslameter Magnetometer Residual Permanent Magnet N/S Polarity 3000mT (30000 Gauss) Automatic Manual Data Recording: Amazon.com: Industrial & Scientific
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AC/DC Gaussmeter Magnetic Field Strength Meter Teslameter Magnetometer Residual Permanent Magnet N/S Polarity 3000mT (30000 Gauss) Automatic Manual Data Recording: Amazon.com: Industrial & Scientific
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High Precision Gauss Meter for AC/DC Magnetic Field 0.01mT/0.1mT Handheld Tesla Meter Fluxmeter Surface Magnetic Field Tester for DC or AC Magnetic Field - SJ700: Amazon.com: Industrial & Scientific
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