SQ-72 pointer 72*72mm AC ammeter 1A 2A 3A 5A 10A 15A 20A 30A 50A connect directly analog AMP meter CZ-72

SQ-72 pointer 72*72mm AC ammeter 1A 2A 3A 5A 10A 15A 20A 30A 50A connect directly analog AMP meter CZ-72

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