# FU-TX 310 Ultrasonic Flowmeter

### Current customer groups and manual links for each version <a href="#dang-qian-ge-ban-ben-mu-biao-ke-qun-ji-shuo-ming-shu-lian-jie" id="dang-qian-ge-ban-ben-mu-biao-ke-qun-ji-shuo-ming-shu-lian-jie"></a>

<table data-header-hidden><thead><tr><th width="169"></th><th></th><th width="135"></th><th width="119"></th><th></th></tr></thead><tbody><tr><td>Customer group</td><td>HW Ver.</td><td>Firmware Ver.</td><td>Manual link</td><td>Noted</td></tr><tr><td>Latest version</td><td>v4.0.0</td><td>1.2.9</td><td><a href="https://app.gitbook.com/o/-LiMHt0Zo8lvM4X9uP1f/s/-LvhKtBvsv-DVMTySk5A/">​Link​</a></td><td>Under verification, that customer to need "temperature" "damping" function choose to use it.</td></tr><tr><td>Stable version</td><td>v4.0.0</td><td>1.2.8</td><td><a href="https://app.gitbook.com/o/-LiMHt0Zo8lvM4X9uP1f/s/-LvhKtBvsv-DVMTySk5A/">​Link​</a></td><td>Applicable to verified customers</td></tr><tr><td>​</td><td>~v3.0.0</td><td>2.x.x</td><td><a href="https://app.gitbook.com/o/-LiMHt0Zo8lvM4X9uP1f/s/-LrD9o7x4AZT6Lc9ACTJ/">​​Link​</a></td><td>​</td></tr></tbody></table>