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Mitutoyo 511-521 | ABSOLUTE Digimatic Bore Gauge | 1.8-4.0 in
The Mitutoyo 511-521 is an ABSOLUTE Digimatic bore gauge for inside diameters from 1.8-4.0 in (45.72-101.6 mm), with 0.001 mm / 0.00005 in resolution and ±3 µm accuracy. Up to four extension rods let it measure at the bottom of holes as deep as 2 m.
- Range 1.8-4.0 in (45.72-101.6 mm)
- Accuracy ±3 µm / ±0.00012 in
- Display and grip rotate up to 320°, display tilts up to 90°
- Minimum value hold for bore diameter
- Accepts up to four 250 mm or 500 mm extension rods
- Interchangeable washers for small-step setting
- Specifications
- Features
- Downloads
| Part Number | 511-521 |
| Brand | Mitutoyo |
| Range | 1.8-4.0 in (45.72-101.6 mm) |
| Resolution | 0.001 mm / 0.00005 in |
| Accuracy | ±3 µm / ±0.00012 in |
| Units | Inch/Metric |
| Data Output | Yes |
| Display Rotation | Up to 320° |
| Display Tilt | Up to 90° |
| Extension Rods | Up to 4 (250 or 500 mm) |
| Max. Depth | 2 m |
This ABSOLUTE Digimatic bore gauge is exclusively designed for inside diameter measurement.
• Up to four extension rods (250 mm or 500 mm) can be used for measuring at the bottom of a hole 2 m deep.
• The display and grip can be rotated up to 320º and the display can be inclined up to 90º, so that it is easily readable from any direction.
• The minimum value holding function provides easy measurement of hole diameter.
• Interchangeable washers are supplied as standard accessories to enable setting in small steps.
• Setting the bore gauge to a master value using a gauge block set allows quick and accurate setting.
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