White Paper

Troubleshooting Load Cells

Source: Minebea Intec

By Dominic Barbuto, Sartorius Intec

When we have a problem with our weighing system and have to do some troubleshooting, where do we start? A good place to start is the load cell. It’s a simple device and troubleshooting only requires a simple Multi-Meter. To begin, let’s review how a load cell works. A load cell is a sensor which receives an excitation voltage from a regulated power source and sends back a signal when force is applied. The heart of the load cell is the Strain Gage which has balanced resistive elements. The load cell signal is then converted to a digital signal by the A/D Converter.

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