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5-Axis Load Cells 101

An Interface 5-axis load cell is a multi-axis sensor designed to resolve complex multi-directional loading into three orthogonal forces and two bending moments (Fx, Fy, Fz, Mx, and My). By combining multiple sensing elements into one precisely machined structure, a 5-axis load cell provides comprehensive measurement of complex loading conditions that conventional single-axis load cells cannot accurately capture. Learn more in 5-Axis Load Cell 101, part of Interface's 101 Series.
Moment 101

Moment 101

Interface's 101 Series defines moment as the measure of a force's tendency to cause rotational movement, bending, or tilting when applied at a distance from a fixed point or axis. In force measurement, moment is the physical displacement or rotation that occurs when an unbalanced force acts on an object, and measuring moment in multi-axis sensors provides critical data for a variety of industry applications. Learn more in Moment 101.
6 Axis Load Cells 101

6-Axis Load Cells 101

Interface 6‑axis load cells measure forces along three perpendicular axes and the corresponding moments (torque) about those axes. 6-axis sensors are monolithic flexure instruments equipped with specialized strain-gage bridges. The design is engineered to maintain high stiffness while isolating complex loads into independent electrical signals. Standard-capacity sensors utilize six full-bridge channels, while high-capacity models may employ twelve bridges to increase structural integrity and signal resolution. 6-Axis Load Cells 101 reviews the technical performance and features of the advanced load cell used to acquire more data for complex test and measurement programs, including robotics, aerospace testing, automotive components, energy, and medical equipment designs.
High Fidelity 101

High-Fidelity 101

Interface 101 series details high-fidelity (Hi-Fi), a term referencing how accurately a measurement system reproduces the characteristics of a physical input. Load cell users may require a high-fidelity system where the digital output precisely reflects the mechanical force applied to the sensor. This integrity must be maintained throughout the entire signal chain, from the physical deformation of the strain gage to the final data output. Hi-Fi is very important in aerospace, additive manufacturing, and product efficiency such as lightweighting.
INTERFACE 101 MOUNTING PLATES

Mounting Plates 101

Interface mounting plates are engineered support foundations designed to provide a stable and prepared surface for a load cell. They provide the solidity that ensures the sensor operates within its specified parameters. Mounting plates are machined to the tightest specifications and extremely low flatness tolerances. This meticulous attention to detail ensures a flat, smooth mating surface for the load cell, minimizing local deformation and maximizing measurement accuracy.
INTERFACE 101 ADC

Analog-to-Digital Converters 101

Interface analog-to-digital converters (ADCs) are vital in advanced force measurement systems. These devices connect the analog output of force transducers to digital inputs for data acquisition and analysis. Interface load cells, torque transducers, and multi-axis sensors produce a small analog voltage proportional to the applied force. This signal needs careful conditioning and conversion before it can be used for logging, viewing, and analysis. The ADC carries out this important conversion, changing the continuous analog voltage into a discrete digital representation.
INTERFACE 101 CALIBRATION CERTIFICATES

Calibration Certificates 101

A calibration certificate is documented proof that a load cell has undergone professional calibration and meets industry standards. Interface calibrates every load cell we manufacture. We calibrate over 100,000 load cells annually, and an Interface Calibration Certificate accompanies every new sensor we send to a customer. Interface provides calibration services on used sensors, with a yearly calibration recommendation.
INTERFACE 101 ROTARY TORQUE

Rotary Torque 101

Torque is the rotational force that causes an object to turn. Interface rotary torque transducers are versatile sensors that integrate electronics directly onto the rotating shaft. Engineers measure torque using torque transducers that convert a torsional mechanical input into an electrical output signal, typically a voltage or current. Rotary torque transducers are ideal for dynamic applications where continuous rotation is required, eliminating the need for complex wiring and reducing potential points of failure. They are commonly used in measuring torque for engines, gearboxes, robotics, aircraft, medical devices, tractors, and windmills. If it turns, it needs to be measured.
INTERFACE 101 FLEXURES

Load Cell Flexures 101

Interface designs all of our load cell flexures. A flexure is a specially designed component that can bend under a load without breaking. They are used in sensors where precise, frictionless movement is needed, like measuring force. The flexure, a complex machined part, acts as the spring element. With thousands of models, capacities, and configurations, manufacturing our flexures is paramount to our load cell accuracy, quality, and precision performance.