> For the complete documentation index, see [llms.txt](https://docs.lorric.com/qr/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.lorric.com/qr/fp-as510-paddle-wheel-flowmeter-manual-chinese-v2/parameters/b-dan-wei-xiang-guan-she-ding.md).

# B 單位相關設定

### B 單位 參數列表

| 序號  | 英文名稱                                 | 中文名稱   | 功能                                                                                                                     |
| --- | ------------------------------------ | ------ | ---------------------------------------------------------------------------------------------------------------------- |
| B01 | Vol. Unit (Volume Unit)              | 流量體積單位 | <p>瞬時流量體積單位，預設 L。</p><p>公制：L(公升)、m3(立方公尺)</p><p>英制：U.gal(US Gallon 美規加侖)、I.gal(Imperial Gallon 英規加侖)、ft3(立方英呎)</p>     |
| B02 | Time Unit                            | 流量時間單位 | 流量時間單位 秒、分鐘、小時、天。預設分鐘。                                                                                                 |
| B03 | Total Unit (Total Volume Unit)       | 累計體積單位 | <p>累計量及歷史量的體積單位，預設 L。</p><p>公制：L(公升)、m3(立方公尺)</p><p>英制：U.gal(US Gallon 美規加侖)、I.gal(Imperial Gallon 英規加侖)、ft3(立方英呎)</p> |
| B04 | VelocityUnit                         | 流速單位   | <p>流速單位，預設 m/s。</p><p>公制：m/s(公尺/秒)</p><p>英制：ft/s(英呎/秒)</p>                                                             |
| B05 | <p>Dec. Place<br>(Decimal Place)</p> | 小數位數   | <p>決定主畫面於LCD/LED螢幕上顯示數據至多可顯示到小數點後幾位數。以無條件捨去來處理數據。小數點後位數至多顯示四位數。</p><p>預設為 4 位小數。本參數不影響計算，只影響顯示，累計流量仍會使用原始數據累計。</p>     |

**參數 B 分類設定的影片**

觀看以下的影片或掃描下面的QR code。(\*新增和修改的參數請參考本版說明書的參數列表)

{% embed url="<https://youtu.be/Zt4yGHpUgn0>" %}
參數 B 分類設定影片
{% endembed %}

![參數 B 分類設定影片](https://2086194569-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LxeY3bBEflHg4JOGyfX%2F-MKd5Oj1hzYXOkK2GQGG%2F-MKd9-VMT3vILq4oTBxf%2F%E5%8F%83%E6%95%B8%20B%20%E5%88%86%E9%A1%9E%E8%A8%AD%E5%AE%9A%E5%BD%B1%E7%89%87.jpg?alt=media\&token=29537443-dee2-434a-8e54-9e3e2f925c62)


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