| Brand | Unbranded |
|---|---|
| Brand name | unbranded |
Check the listing for details. Line EMI Meter Mains Noise Tester Broadband AC Power Meter Ripple Analyzer OLED. Condition: New. Listed at 115.37 USD. Noise indication: 4-digit yellow and blue OLED dot matrix display. We developed this AC mains noise tester with reference to foreign products. - Your speaker plays the sound of EMI and demodulates the amplitude to identify the source of EMI (e.g. AM or shortwave radio, electric motor and arc).
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