# A08 Pipe Material

### Definition

Set the pipe material. Default: custom.

<table data-full-width="false"><thead><tr><th width="105.8076171875"></th><th width="110.5244140625"></th><th width="115.1298828125"></th><th width="117.9658203125"></th><th width="132.369140625"></th><th></th><th data-hidden></th></tr></thead><tbody><tr><td>DN25</td><td>DN32</td><td>DN40</td><td>DN50</td><td>DN60</td><td>DN75</td><td>尺寸</td></tr><tr><td>PVCU</td><td>PVC</td><td>PVC</td><td>PVC</td><td>PVC</td><td>PVC</td><td>預設值</td></tr></tbody></table>

### Notes

1. On certain models, a **“Pipe Material Confirmation”** screen will appear after adjusting **A04, A05, A06, or A07**. If the pipe material is modified on this screen, **A08** will be updated automatically.
2. <mark style="color:red;">Each time the pipe material is changed, please re-execute</mark> <mark style="color:red;"></mark><mark style="color:red;">**Z03 Auto Initialize**</mark> <mark style="color:red;"></mark><mark style="color:red;">and</mark> <mark style="color:red;"></mark><mark style="color:red;">**Z04 Auto Zero Offset**</mark> <mark style="color:red;"></mark><mark style="color:red;">to improve measurement accuracy and ensure stable product performance.</mark>

### Operation Procedure

<details>

<summary><strong>Button Functions</strong> <em>(Click to Expand)</em></summary>

When the main screen is displayed in **green backlight**, the four buttons function as follows:

* <img src="https://4028902321-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FSBz5Tlpy8GCIkK4ygkgZ%2Fuploads%2FRnX1fMK1ja5FUx043ZYc%2Fimage?alt=media&#x26;token=f31dd577-ba27-4369-af8b-25ce9afcd1f9" alt="" data-size="line"> **Blue Button (leftmost):** Return, exit, or save settings.
* Gray Direction Buttons:
  * <img src="https://4028902321-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FSBz5Tlpy8GCIkK4ygkgZ%2Fuploads%2FR48KXgI2flteQ78PYH8a%2Fimage?alt=media&#x26;token=b5b4ab82-6f88-44c6-8b85-181c7bde6fe9" alt="" data-size="line"> **Left Gray:** Previous Page, decrease value, or select item
  * <img src="https://4028902321-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FSBz5Tlpy8GCIkK4ygkgZ%2Fuploads%2FVWLxHCjTZgj8Y3CXUn6X%2Fimage?alt=media&#x26;token=35556f59-f963-4b03-8db1-34f2953ddb58" alt="" data-size="line"> **Right Gray:** Next Page, increase value, or select item
* <img src="https://4028902321-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FSBz5Tlpy8GCIkK4ygkgZ%2Fuploads%2F0lsHAW4cWIphk6mKtEoK%2Fbutton-orange.png?alt=media&#x26;token=9168c231-821c-4895-9194-0cf61b2fd06a" alt="" data-size="line"> **Orange Button (rightmost):** Rightmost button: Enter settings, edit, or confirm selection

{% hint style="danger" %}
**Do not hold buttons for extended periods to avoid damage.**
{% endhint %}

{% hint style="info" %}
Button functions may change depending on the operation context to improve usability or prevent accidental presses.
{% endhint %}

</details>

```
A08 Pipe Material Setting Steps
• From the main screen (green backlight), 
  press Orange Button (Setup) to enter settings (orange backlight).
• Use Gray Arrow Buttons to select A. Measurement, press Orange Button (Enter).
• Use Gray Arrow Buttons to select A08 Pipe Material , press Orange Button (Enter).
• Use Gray Arrow Buttons to choose the options. 
• Press Orange Button (Set) to confirm.
• Press Blue Button (ESC) to return to the main screen (green backlight).
```

<figure><img src="https://4028902321-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FSBz5Tlpy8GCIkK4ygkgZ%2Fuploads%2FA3m9fmaW8ZFU4kUWLuPK%2Ffu-es-A08-en.png?alt=media&#x26;token=988ebac2-a4c5-4097-9fd0-dff760ff2160" alt="" width="563"><figcaption></figcaption></figure>

## A08 Options, RS485 Values, Read/Write Commands, and Formats

<table><thead><tr><th>Options</th><th>Description</th><th width="206">RS-485 Value</th></tr></thead><tbody><tr><td>Custom</td><td>Default</td><td>0</td></tr><tr><td>PVCU(預設值)</td><td></td><td>1</td></tr><tr><td>PVC</td><td></td><td>2</td></tr><tr><td>PP</td><td></td><td>3</td></tr><tr><td>PVDF</td><td></td><td>4</td></tr><tr><td>ABS</td><td></td><td>5</td></tr><tr><td>Steel</td><td>Steel</td><td>6</td></tr><tr><td>SUS 304</td><td>Stainless Steel 304</td><td>7</td></tr><tr><td>SUS  316</td><td>Stainless Steel 316</td><td>8</td></tr></tbody></table>

> Refer to the [Read/Write Memory List](https://docs.lorric.com/qr/fu-es-echosense-instruction-manual/communication/modbus-rtu-protocol/read-write-memory-ram/read-write-memory-read-list) for the Modbus command format. This parameter uses the Int16 data format.