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Mitutoyo 139-203 | Tubular Inside Micrometer with Extension | 40-300 mm
Mitutoyo 139-203 is an extension pipe type inside micrometer covering 40-300 mm. It uses interchangeable extensions in a hollow pipe design and measures with a 10 mm span on the head.
Key features
- Eight extension rods: 10, 20, 30, 60, 90, 110, 120 and 130 mm
- Limit of error ±(6 + max. measurement length/50) µm; spindle feed error 6 µm
- Carbide measuring faces, 2-point method
- Supplied with box, spanner, extension rods and micrometer head 139-003; mass 240 g
Graduation is 0.01 mm with a satin chrome scale of ø18 mm (ø13 mm on models 139-203 and 139-204), and the spindle pitch is 0.5 mm. For bulk orders, Mitutoyo packs 139-203 in outer boxes of 40 pcs with inner boxes of 10 pcs.
- Specifications
- Downloads
| Part Number | 139-203 |
| Brand | Mitutoyo |
| Range | 40-300 mm |
| Graduation | 0.01 mm |
| Measuring Span | 10 mm |
| Spindle Feed Error | 6 µm |
| Limit of Error | ±(6 + max. measurement length/50) µm |
| Measuring Face | Carbide |
| Measuring Method | 2-point |
| Extension Rods | 8 (10, 20, 30, 60, 90, 110, 120, 130 mm) |
| Scale | Satin chrome, ø 18 mm; ø 13 mm (139-203, 139-204) |
| Mass | 240 g |
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