適用于測量透明液體。精度高，使用方便。
總長度283毫米;近似樣品體積18ml。
附有UKAS校準(zhǔn)證書(ISO 17025)，試驗室編號0247
ASTM Ubbelohde Specifications:?ASTM D446, ISO 3105, IP 71 Part 2, BS188
ASTM Ubbelohde Test Methods:?ASTM D445, ISO 3014, IP 71 Part 1, BS 188
| Part No. | Size | Constant | Range (mm2/s) |
|---|---|---|---|
| 1643/01 | O | 0.001 | 0.3 to 1 |
| 1643/02 | OC | 0.003 | 0.6 to 3 |
| 1643/03 | OB | 0.005 | ? ?1 to 5 |
| 1643/04 | 1 | 0.01 | ? ? ?2 to 10 |
| 1643/05 | 1C | 0.03 | ? ? 6 ?to 30 |
| 1643/06 | 1B | 0.05 | ? 10 to 50 |
| 1643/07 | 2 | 0.1 | ? ? ?20 to 100 |
| 1643/08 | 2C | 0.3 | ? ? ?60 to 300 |
| 1643/09 | 2B | 0.5 | ? ?100 to 500 |
| 1643/10 | 3 | 1.0 | ? ? ? 200 to 1,000 |
| 1643/11 | 3C | 3.0 | ? ? ? ?300 to 3,000 |
| 1643/12 | 3B | 5.0 | ? ?1,000 to 5,000 |
| 1643/13 | 4 | 10 | ? ? ? 2,000 to 10,000 |
| 1643/14 | 4C | 30 | ? ? ? 6,000 to 30,000 |
| 1643/15 | 4B | 50 | ? ? 10,000 to 50,000 |
| 1643/16 | 5 | 100 | ? ? ? 20,000 to 100,000 |
