| Inch | Metric | Inch | Metric | ||||
| Range | Resolution | Accuracy | Range | Resolution | Accuracy | Code No. | Code No. |
| Digital models | |||||||
| .2-1.2" | .00005" | ± .0001" | 5-30mm | 0.001mm | ± 0.003mm | 207-01-1 | 207-01-0 |
| 1-2" | .00005" | ± .0002" | 25-50mm | 0.001mm | ± 0.003mm | 207-02-1 | 207-02-0 |
| 2-3" | .00005" | ± .0002" | 50-75mm | 0.001mm | ± 0.004mm | 207-03-1 | 207-03-0 |
| 3-4" | .00005" | ± .0002" | 75-100mm | 0.001mm | ± 0.004mm | 207-04-1 | 207-04-0 |
| 4-5" | .00005" | ± .0002" | 100-125mm | 0.001mm | ± 0.005mm | 207-05-1 | 207-05-0 |
| 5-6" | .00005" | ± .0002" | 125-150mm | 0.001mm | ± 0.005mm | 207-06-1 | 207-06-0 |
| 6-7" | .00005" | ± .0002" | 150-175mm | 0.001mm | ± 0.005mm | 207-07-1 | 207-07-0 |
| 7-8" | .00005" | ± .0002" | 175-200mm | 0.001mm | ± 0.005mm | 207-08-1 | 207-08-0 |
| Mechanical models | |||||||
| .2-1.2" | .001" | ± .0001" | 5-30mm | 0.01mm | 0.005mm | 203-01-1 | 203-01-0 |
| 1.0-2.0" | .001" | ± .0002" | 25-50mm | 0.01mm | 0.006mm | 203-02-1 | 203-02-0 |