當您想要測量客戶產品測量中的通孔或孔的直徑時,可以使用它。
注入從噴嘴孔出來的壓縮空氣,並通過接觸葉測量孔直徑。

LA Type:
| Nominal Size ød exceeded ~ less | L1 | L2 | L3 |
| 10 exceeded 14 or less | 7 | 45 | 95 |
| 14 exceeded 20 or less | 8 | 45 | 85 |
| 20 exceeded 24 or less | 10 | 45 | 85 |
| 24 exceeded 40 or less | 10 | 45 | 85 |
| 40 exceeded 50 or less | 15 | 50 | 100 |
| 50 exceeded 65 or less | 15 | 50 | 100 |
| 65 exceeded 100 or less | 15 | 50 | 100 |

LB Type:
| Nominal Size ød exceeded ~ less | L1 | L2 | L3 |
| 10 exceeded 14 or less | 4 | 45 | 95 |
| 14 exceeded 20 or less | 4 | 45 | 85 |
| 20 exceeded 24 or less | 4 | 45 | 85 |
| 24 exceeded 40 or less | 4 | 45 | 85 |
| 40 exceeded 50 or less | 4 | 50 | 100 |
| 50 exceeded 65 or less | 4 | 50 | 100 |
| 65 exceeded 100 or less | 4 | 50 | 100 |


