Surftest SJ-410

Dramatic improvement on compact type surface roughness testers
Equipped with a large, touch-screen color graphic LCD to achieve intuitive operation and high operability.
Skidded and skidless measurement are switchable to perform optimum evaluation according to the measurement setup.
A wide-range, high-resolution detector and a very accurate drive unit provide superior high accuracy measurement in its class.

Model No.			SJ-411		SJ-412
Order No.		mm	178-580-11	178-580-12	178-582-11	178-582-12
		inch/mm	178-581-11	178-581-12	178-583-11	178-583-12
Measuring range	X axis		25 mm		50 mm
	Z axis (detector)		800 µm, 80 µm, 8 µm Up to 2,400 µm when using an optional stylus.
Detector	Detection method		Differential inductance
	Resolution		0.01 µm (800 µm range), 0.001 µm (80 µm range), 0.0001 µm (8 µm range)
	Stylus tip shape (Angle/Radius)		60°/2 µm	90°/5 µm	60°/2 µm	90°/5 µm
	Measuring force		0.75 mN	4 mN	0.75 mN	4 mN
	Radius of skid curvature		40 mm
	Measuring methods		Skidless/Skidded (switchable
Drive unit (X axis)	Measuring speed		0.05, 0.1, 0.2, 0.5, 1.0 mm/s
	Drive speed		0.5, 1, 2, 5 mm/s
	Straightness		0.3 µm/25 mm		0.5 µm/50 mm
Up/down inclination unit	Vertical travel		10 mm
	Inclination adjustment angle		±1.5°
Applicable standards			JIS 1982/JIS 1994/JIS 2001/ISO 1997/ANSI/VDA

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