How to Use Digital Scales with Lister
Guide to setting up and using digital scales in Lister to weigh products and packages
Written by Rain Gilbert
Overview
Lister supports USB scales to automatically import the weights of items when creating a listing or shipping orders. This guide outlines how to connect USB scales with Lister, use them in your workflow, and troubleshoot if weights aren’t importing.
Table of Contents
Adding Scales to Lister Connect
How to Import Weights on the New Product Page
How to Import Weights on the New Shipment Page
Supported Equipment
Lister supports all Mettler Toledo and Dymo scales with USB connections. We recommend avoiding any scales that have an auto-off feature, as this may cause issues with Lister Connect failing to recognize the device.
Adding Scales to Lister Connect
Lister Connect is required to pass weights from scales to Lister. If Lister Connect is not installed, begin by following this guide.
-
Ensure the scales are powered on and connected via USB to your computer
-
Verify Lister Connect is installed and running
-
Click the green printer icon in the upper right corner of Lister and ensure the correct scales are selected
-
If the scales are not shown in the dropdown menu, click the refresh button

How to Import Weights on the New Product Page
When listing an item or editing a product, click the scales icon to the right of the weight input to automatically bring in the weight of the item currently on the scale.

How to Import Weights on the New Shipment Page
When creating a shipping label, click the scales icon to the right of the parcel weight input to automatically bring in the weight of the package currently on the scale.

Troubleshooting Steps
If your scale is not importing weights into Lister, please confirm the following:
-
Ensure the scale is powered on and connected to your computer via USB
-
Verify the scale is reading the weight on the readout screen
-
Verify Lister Connect is installed and running
-
Click the green printer icon in the upper right corner of Lister and ensure the correct scale is selected
-
If the scale is not shown in the dropdown menu, click the refresh button

Related Guides
Getting Started with Lister Connect to Print Labels and Weigh Items
Troubleshooting Lister Connect Errors on Windows
Troubleshooting Lister Connect Errors on Mac
How to Ship Orders and Print Labels
Upright Lister Equipment Guide
Have questions? Reach out to us at support@uprightlabs.com or via chat anytime between 9am-6pm ET, Monday to Friday.