- Mitutoyo’s Absolute Solar Digimatic Caliper retains its origin point indefinitely.
- An ABSOLUTE scale is incorporated so that zero setting is not required at each power ON. No danger of overspeed errors.
- At 60 Lux and above the ABSOLUTE solar caliper is ready to start measurement. No more repeated zero setting caused by a shortage of light.
- Slider operation is smooth and comfortable.
- Allows step measurement.
- Allows integration into statistical process control and measurement systems for models with measurement data output connector.

Specifications:
| Metric | |||
| Order No. | Range (mm) | Depth bar | Fine adjustment |
| 500-443 | 0 – 100 | ø0.19 mm rod | with thumb roller |
| 500-453 | 0-100 | ø0.19 mm rod | with thumb roller |
| 500-444 | 0 – 150 | Blade | with thumb roller |
| 500-454 | 0 – 150 | Blade | with thumb roller |
| 500-445 | 0 – 200 | Blade | with thumb roller |
| 500-455 | 0 – 200 | Blade | with thumb roller |
| Inch/Metric | |||
| Order No. | Range (in) | Depth bar | Fine adjustment |
| 500-463 | 0 – 4 | 0.075 mm rod | with thumb roller |
| 500-473 | 0 – 4 | 0.075 mm rod | with thumb roller |
| 500-464 | 0 – 6 | Blade | with thumb roller |
| 500-474 | 0 – 6 | Blade | with thumb roller |
| 500-465 | 0 – 8 | Blade | with thumb roller |
| 500-475 | 0 – 8 | Blade | with thumb roller |






