Model	Type/Purpose	Main features
V-252R	Standard	Prerecorded Standard Disc
V-252E1R	Eccentric Disc	0 +10/-0µm, Normal Disc
V-252E2R		50µm ±10µm, Normal Disc
V-252E3R		100µm ±10µm, Normal Disc
V-252E4R		150µm ±10µm, Normal Disc
V-252E5R		200µm ±10µm, Normal Disc
V-252D3R	Defect Disc	Black Dots & Fingerprints, Normal Disc (Diameter=0.4/0.8/1.2/1.5/2.0mm)(D=65/75µm)
V-252V1R	Vertical Deviation	0.4mm(±0.2mm) ±0.05mm, Normal Disc
V-252V2R		0.6mm(±0.3mm) ±0.05mm, Normal Disc
V-252V04R		0.8mm(±0.4mm) ±0.05mm, Normal Disc
V-252V3R		1.0mm(±0.5mm) ±0.05mm, Normal Disc

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