> 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-en-v3/2-installation-method/2.3-temperature-sensor-analog-output/2.3.2-analog-output.md).

# 2.3.2 Analog output

This product also has a built-in 4-20-milliampere analog power output signal which provides analog output of the measured values. It is used as follows:                                                                                         <mark style="color:orange;">**(**</mark><mark style="color:orange;">The 4-20mA output resolution is specified as 12-bit, ensuring precise analog signal representation</mark><mark style="color:orange;">**)**</mark>

● Outputs include flow rate, flow velocity, upstream temperature, downstream temperature, liquid sound velocity, and upstream/downstream temperature differential.&#x20;

● Upper and lower limits can be customized to provide the required range of output.&#x20;

● The 4-20mA is 3-wire wiring. As long as power supplied by device DC, the external power supply is no need for 4-20mA terminal. As below image, please refer to do wiring.

![](/files/-LvhsJ7xhzne647iyPtT)


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