AC Frequency Meter,Frequency Panel Meter,Pointer Type Analog Panel and Hertz Meter sold2025 we know how to promote

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AC Frequency Meter,Frequency Panel Meter,Pointer Type Analog Panel and Hertz Meter sold2025 we know how to promoteAC Frequency Meter,Frequency Panel Meter,Pointer Type Analog Panel and Hertz Meter Product Features Specifications: Including 1pc black SQ 72 AC frequency table Size: Appearance size: 72x72x61mm . Hole size: 67*67mm Power supply : AC220V, display range : 45 65Hz, instrument accuracy level: 2. 5 Transparent appearance, easy to read scale and a button to fine tune the dial. Use: Frequency panel table for frequency measurement of power system.