The SJ-400 series is designed for portability while maintaining high precision. Key features include:

The official manual for the Surftest SV-400 is typically a comprehensive technical document (often exceeding 100 pages) divided into distinct chapters. It is designed to take a user from initial setup to complex statistical analysis.

The SV-400 is capable of calculating a wide array of roughness parameters. The manual provides definitions and formulas for:

Wipe the sliding guide rails of the drive unit using a lint-free cloth weekly. Apply a single drop of low-viscosity instrument oil to prevent micro-stiction.

-axis drive unit to the column brackets using the provided hex bolts. Ensure the axis runs parallel to the granite base.

A: This is an advanced topic often covered in the manual’s appendix. The (primary profile) is the total profile of the surface, including both roughness and waviness components. The R-profile is the roughness profile, which is obtained by applying a high-pass filter to the P-profile, effectively removing the longer-wavelength waviness components. Understanding which profile is required for a specific quality standard (e.g., ISO 4287) is crucial for accurate reporting.

Lower the stylus gently onto the workpiece surface until the digital on-screen position indicator rests within the green "Zero" zone. Perform a quick tilt-check preview scan.

Place the unit on a heavy, vibration-free surface (ideally a granite surface plate). Avoid areas with direct sunlight, high humidity, or strong magnetic fields.

Press the START button. The drive unit will traverse across the patch.

Before powering on the SV-400, proper environmental controls must be established to ensure measurement repeatability. Environment Requirements

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Mitutoyo Surftest Sv400 User Manual Full [updated] Jun 2026