Mitutoyo 103-145-10 Outside Micrometer 200-225mm Metric Series 103 with Ratchet Stop

The Mitutoyo 103-145-10 is a Series 103 mechanical outside micrometer designed for precise external dimension measurement in the 200–225 mm range. Built for workshop and inspection room environments, it delivers reliable analog measurement with a 0.01 mm graduation and ±4 µm accuracy, making it a dependable choice for quality control and dimensional inspection tasks.

Key Features:

• Measuring Range: 200–225 mm
• Graduation: 0.01 mm (0.001 mm vernier reading available)
• Accuracy: ±4 µm maximum permissible error
• Ratchet Stop: Applies constant, uniform measuring force for exact, repeatable readings
• Carbide-Tipped Measuring Faces: Micro-lapped for durability and long-term measurement accuracy
• Flatness: 0.6 µm
• Parallelism: (2+R/100) µm
• Spindle Pitch: 0.5 mm for smooth, controlled operation
• Frame Finish: Hammertone, baked enamel — resistant to wear and corrosion
• Thimble & Sleeve: Satin chrome finish reduces glare and improves scale readability
• Spindle Lock: Secures the spindle for stable, consistent readings

What's Included:

• Mitutoyo 103-145-10 outside micrometer
• Setting standard (gauge block reference)
• Storage case

The Series 103 outside micrometer is suitable for measuring both metal and non-metal workpieces. Its rugged hammertone enamel frame, carbide-tipped faces, and ratchet stop mechanism make it well-suited for repetitive production measurement and general dimensional inspection where accuracy and consistency are essential.