Mitutoyo 178-601 Roughness Specimen for SJ-400

Product Description

The MITUTOYO 178-601 is a roughness specimen accessory designed for use with the SJ-400 Surftest Portable Surface Roughness Tester. It provides a calibrated reference surface that allows technicians to verify stylus condition and confirm instrument accuracy before taking surface finish measurements. Keeping a calibration specimen on hand is standard practice in precision measurement workflows, ensuring results remain traceable and reliable across job sites and production floors. The 178-601 weighs 1 pound and is sold as a single unit.

This roughness specimen is intended for use alongside the MITUTOYO SJ-400 Surftest Portable Surface Roughness Tester. It is suited for quality control environments, manufacturing facilities, and field service applications where surface texture verification is required. Metrologists, QC inspectors, and precision machine technicians are the typical end users. The specimen serves as a practical check standard before committing to a measurement run.

Key Features

• Calibrated reference surface for verifying SJ-400 stylus and instrument performance
• Designed as a direct accessory for the Surftest SJ-400 portable surface roughness tester
• Compact, single-unit configuration suitable for bench or field use
• Supports measurement traceability and quality assurance workflows

Compatibility

Designed for use with the MITUTOYO SJ-400 Surftest Portable Surface Roughness Tester.

Installation Notes

Handle the specimen surface with care to avoid contamination or scratching, which can compromise calibration integrity. Prior to use, clean the specimen with a lint-free cloth and an appropriate solvent if needed. No tools or special mounting hardware are required for standard verification checks. Follow the SJ-400 instrument manual and applicable metrology procedures for correct specimen handling and measurement protocol.