The internal dial caliper gauge is attachment to the dial indicator and used for measuring inside diameter,ring groove bottom diameter and inside step diameter or special holes of the workpiece.
The external dial caliper gauge is attachment to the dial indicator and used for measuring outside diameter,ring groove bottom diameter,narrow grooves and the dimensions that hard to reach.
| Range | Grad. | A | B | L |
|---|---|---|---|---|
| 0.6-1.4" | 0.0005" | 0.118" | 0.118" | 1.9" |
| 1.4-2.2" | 0.0005" | 0.236" | 0.118" | 3.1" |
| 2.2-3.0" | 0.0005" | 0.315" | 0.118" | 3.1" |
| 3.0-3.8" | 0.0005" | 0.315" | 0.118" | 3.9" |
| 0.6-1.4" | 0.001" | 0.118" | 0.118" | 1.9" |
| 1.4-2.2" | 0.001" | 0.236" | 0.118" | 3.1" |
| 2.2-3.0" | 0.001" | 0.315" | 0.118" | 3.1" |
| 3.0-3.8" | 0.001" | 0.315" | 0.118" | 3.9" |
| Range | Grad. | A | B | L |
|---|---|---|---|---|
| 0-0.8" | 0.0005" | 0.236" | 0.118" | 2.3" |
| 0.8-1.6" | 0.0005" | 0.236" | 0.118" | 2.3" |
| 1.6-2.4" | 0.0005" | 0.236" | 0.118" | 2.1" |
| 2.4-3.2" | 0.0005" | 0.236" | 0.118" | 2.1" |
| 3.2-4.0" | 0.0005" | 0.236" | 0.118" | 2.1" |
| 0-0.8" | 0.001" | 0.236" | 0.118" | 2.3" |
| 0.8-1.6" | 0.001" | 0.236" | 0.118" | 2.3" |
| 1.6-2.4" | 0.001" | 0.236" | 0.118" | 2.1" |
| 2.4-3.2" | 0.001" | 0.236" | 0.118" | 2.1" |
| 3.2-4.0" | 0.001" | 0.236" | 0.118" | 2.1" |
