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INTERFACE TECH TALK Setpoints And Relays

How Do You Use Setpoints and Relays?

When designing systems for automation or maintenance monitoring, capturing high-accuracy force data with a load cell is only the first step.…
Data Sheet 101

Interface Data Sheet 101

Interface Data Sheet 101 reviews what to expect from our technical product data sheets. Consider data sheets as a technical roadmap of mechanical and electrical performance information. Interface data sheets include features, a reference image, performance specs, and drawings. The characteristics defined on a product data sheet are used to distinguish successful validation from a system failure by highlighting the individual model's specifications, dimensions, diagrams, characteristics, connectors, and wiring, when applicable.
INTERFACE TECH TALK Dut And Uut

What is the Technical Difference Between DUT and UUT?

Interface Tech Talk reviews the subtle differences when referencing a device under test (DUT) versus a unit under test (UUT). The distinction between DUT and UUT ultimately clarifies the test context, whether it is an isolated component under development or a finished unit undergoing final validation.
Elasticity 101

Elasticity 101

Interface's Elasticity 101 details the importance of Hooke's Law of Physics. In a load cell, we want a material with a very predictable stiffness. If the material permanently deforms or creeps, the deformation value won't return to zero, and your measurements will be inaccurate. A load cell is essentially a mechanical transducer that converts mechanical force into elastic potential energy, which we then capture as data. Understanding how your sensor bends is the first step toward mastering precision force measurement. Learn more in Interface's ForceEDU 101 Series.
Hysteresis 101

Hysteresis 101

Interface defines hysteresis as the algebraic difference between the load cell's output at a specific load when approached from an increasing direction versus a decreasing direction. Hysteresis represents a physical limit of the sensor's design. Hysteresis is typically expressed as a percentage of Full Scale (%FS) on a sensor's data sheet or calibration certificate. Learn more about this vital characteristic in Interface's Hysteresis 101.
Bias And Variance

Bias and Variance for Benchmarking Outcomes in Force Measurement

In load cell selection, understanding the relationship between bias and variance is defined by sensor specifications. Interface details how these engineering concepts dictate performance, improve design, and optimize benchmarking outcomes using force measurement systems.
NONLINEARITY 101

Nonlinearity 101

Nonlinearity refers to the deviation from a straight line during a single, continuous loading cycle, which is a percentage of full scale from zero to full load. Interface 101 Nonlinearity details this crucial specification because it directly impacts the accuracy of your measurements. A load cell with a high nonlinearity percentage will give you inaccurate readings, especially at the intermediate points of its measurement range.
INTERFACE TECH TALK Error Budget

How Do You Define A Load Cell Error Budget?

Interface tech talk answers why a load cell error budget matters. An error budget quantifies every factor that can cause the load cell's output to deviate from the true weight or force being measured. A defined error budget is the maximum time a technical system can fail without service-level consequences. In force tests and measurements, it is sometimes called an uncertainty budget. An error is the difference between the measured value and the true value.
INTERFACE TECH TALK ZERO BALANCE

Why Is Load Cell Zero Balance Important to Accuracy?

Several factors go into the accuracy and consistent performance of a load cell. These factors include non-linearity, hysteresis, repeatability,…