Can you measure 220v ac with DSO138 ?
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Test du mini oscilloscope pas cher DSO138 (Review & Tutoriel)
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Measuring Mains Voltage with Oscilloscopes
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100x High Voltage Oscilloscope Probe Test and Experiments (P4250)
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TWT #17: Testing the JYE Tech DSO138
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⑪Measuring Mains Power with Micsig Oscilloscope STO Series
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Ukázka osciloskopu DSO138
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Complete Guide How to Upgrade DSO 138 Oscilloscope Firmware
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