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แผ่นวัดรอบ Elvon Stroboscope Disc (New)
500 บาท
รายละเอียดสินค้า
Features:
– 33.3/45/78 rotational speed detection.
– Close to 180g record thickness,
– Two kinds of fulcrum fixed arm adjustment rules
– tangent tuning arm calibration ruler
– must be tested under 50Hz strobe light.
– It can also be used under home fluorescent lamps with ballasts.
– Cannot be used under DC-powered LED lights.
