> 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/fu-tx310-ultrasonic-flowmeter-manual-chinese-v3/2.-an-zhuang-fang-shi/2.2-chao-yin-bo-tan-tou/untitled-4.md).

# 2.2.2 儀表接線方式

探頭數量為一組兩個，分別為上游探頭與下游探頭；每一個探頭有三條運接線，因此在儀表上共有六個接點，如下圖所示。將探頭依照下圖順序進行線路的安裝，若部分探頭型號僅有二條線沒有接地隔離（Gnd）接線，則安裝+、- 兩條條線即可。

![](https://2014179482-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LvOj8pQTuPmq-zW1Izm%2F-LvOnyY_JEcbD4sWnndt%2F-LvOo6BZJiWu6-Syn2c-%2F%E5%84%80%E8%A1%A8%E6%8E%A5%E7%B7%9A.png?alt=media\&token=48112df3-be2c-49ae-98e4-f7841913a65f)

![](https://2014179482-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LvOj8pQTuPmq-zW1Izm%2F-Lx-8WDpwtDXPPz3g_Na%2F-Lx-910yr9yWh51CXbgK%2F%E5%84%80%E8%A1%A8%E6%8E%A5%E7%B7%9A-1-01.png?alt=media\&token=fb4bbd91-8377-4fe0-88eb-775cc277e330)


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