The Load Cell Sensor: An Overview

Load cells are sensors. Another name is “load transducer.” Often the literature simply refers to them as load cells – dropping the sensor or transducer. As weight measurement devices, they serve the purpose of converting mass or torque force into electrical signals before sending it. A load cell sensor, therefore, is part of applications where accurate measurement is a necessity.

Classification of Load Cell Sensors

Load cell sensors measure weight and display it in digits. They need to be accurate. Classification of such devices is often according to their operational principles. As a result, you can classify load cells accordingly:

  • Those utilizing either liquid or air pressure
  • Those that employ elasticity
  • Those using either a magnetostriction or piezoelectricity effect

Types of Load Cell Sensors

Load cells come in diverse types. Among the many available are:

  • Strain gauge load cell: This is the most common kind found in industrial applications as it is
  • Hydraulic load cells: Industries, where hygiene and safety are of primary importance, will install this type of load cell
  • Pneumatic load cells: When the location is remote without ready access to a stable power supply, this type of load cell is the primary choice

However, while there are options, in most instances, the term “load cell sensor” and strain gauge load cell are synonymous.

Another typology of load cell sensors looks at them differently. It divides them into the following types: resistive and capacitive. Still, others may examine them according to other factors including ease of use, installation, maintenance levels, efficiency, and accuracy.

Load Cell Sensor

Before the discovery of load cell sensors, the most common method of measuring weights was mechanical lever scales. Today, load cell sensors can accurately weigh large and small industrial loads. With different categories and types available, industries can select the load cell sensor that will provide the most precise measurement while improving productivity.