Mitutoyo 178-394 Replacement Deep Groove Detector for SJ-410/SJ-310 Surface Roughness Tester

The Mitutoyo 178-394 is a precision replacement deep groove detector designed specifically for SJ-410 and SJ-310 Surface Roughness Tester standard and retractable drive unit models. This specialized detector features a 4mN measuring force with a 90-degree, 5-micron diamond stylus tip, making it ideal for measuring surface roughness in deep grooves and hard-to-reach areas.

Key Features:

• 4mN measuring force for consistent, accurate surface roughness measurements
• 90-degree stylus configuration with 5-micron diamond tip for precision detection
• Optimized design for deep groove applications where standard detectors cannot reach
• Compatible with SJ-410 and SJ-310 standard and retractable drive unit models
• Durable diamond stylus ensures long service life and reliable performance

Important Compatibility Note: This detector is designed for standard and retractable drive unit models only. It is not compatible with transverse type models of the SJ-410 or SJ-310 surface roughness testers.

Mitutoyo surface roughness measurement accessories are essential for maintaining the accuracy and functionality of your quality control and inspection equipment. This genuine OEM replacement detector ensures your surface roughness tester continues to deliver the precision measurements required for critical manufacturing and quality assurance applications.