Load Cell Calibration

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During load cell calibration, a device with a standard measurement is attached to the transducer. Its reading is compared to the reading of the load cell; ideally, both the calibrating device and the transducer will have the same measurement. If not, the operator makes the necessary changes and adjustments before measuring again to ensure that the values are identical. Read More…

Load Cell Calibration Load cell calibration is a process through which a load cell is adjusted to become more accurate and precise in its measurements. A load cell is a transducer that converts a load, or force acting upon it, into an analog electrical signal.

Leading Manufacturers

West Conshohocken, PA  |  610-825-3310

For over 40 years, Strainsert Company has been an industry leader in manufacturing calibration services. Our goal is to provide calibrating services that are thorough and accurate, and we have experience serving a variety of applications.

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Strainsert Company $$$

Orangeburg, NY  |  845-770-3000

AALFA-KAL Metrology Laboratory, division of Aalborg Instruments & Controls, offer calibration services on meters and controllers on various products. Our laboratories are fully equipped to perform NIST traceable flow calibrations for rotameters, mass flow meters and mass flow controllers. We can also calibrate NIST traceable approved “in-house” equipment to certify our primary calibration devices.

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AALFA-KAL Metrology Laboratory $$$

Exton, PA  |  484-266-0599

Established in 1989, Prime Technologies has offered quality management products and services to a number of industries for almost twenty five years. We are proud to be innovators in our field, providing solutions with the latest technology including our widely successful proprietary ProCalV5 professional calibration software and the first paperless 21CFR Part11-compliant calibration system. Call or visit our website today for details!

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Prime Technologies, Inc. $$$

McKeesport, PA  |  412-751-3055

Here at Strainsense Enterprises, Inc. we offer calibration services that are extremely accurate and reliable. These processes are great for calibrating and recalibrating force measurement systems, strain gauge type load cells and transducers, displacement transducer systems, and locomotive brake shoe systems. If you would like more information about our products and services then please give us a call today!

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Strainsense Enterprises, Inc. $$$

Rochester, NY  |  800-800-5001

We offer expert A2LA-accredited calibration services for all types of calibration, test, and measurement instruments including calibrators, temperature calibration, electrical, electronic, pressure, physical, mechanical and RF instruments. Located across North America.

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Transcat, Inc. $$$

Hopkinton, MA  |  800-242-6022

TTE Laboratories specializes in calibrating services including load cell calibration and gage calibration services. Our calibration services are utilized for nearly any force measurement application and this even includes custom designs. These are very easy to use and our products offer consistent results. Call us if you have questions about our calibrating services.

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TTE Laboratories Inc, a Transcat Company $$$
placeholder image Strainsert Company AALFA-KAL Metrology Laboratory Prime Technologies, Inc. Strainsense Enterprises, Inc. Transcat, Inc. TTE Laboratories Inc, a Transcat Company

This process of calibration is important because accurate and precise readings from the load cell are important and vital to its proper functioning. An incorrect measurement of the electrical signal may be a safety hazard or could lead to equipment damage. Load cells are generally part of larger systems so other decisions are made based on the reading provided by the transducer which is why they must be checked and calibrated regularly.

Regular calibration also maintains quality standards. Calibration is used not only for load cells but with a wide range of equipment and machines as well as for pressure, speedometers, temperature and torque. Load cells are frequently used for large scale weighing in hoppers, for trucks, tank level, in-line force measuring and weighing research.

Load cells are available in a variety of styles including S-beam, platform and single point, low profile, compression, compression/tension, bending beam and canister. Some are designed to read the force acting on a button while others have larger parts that are bent; all rely on the physical deformation of strain gauges.

As force is applied to the load cell, a strain gauge is bent. The strain is converted into electrical signals, which are amplified; typically one load cell will have at least four strain gauges. The output is then entered into an algorithm to calculate how much force was applied to the transducer. The gauge inside has a spring-like quality that allows it to bounce back after a load is applied. If the loads are changed abruptly, the gauge may vibrate quickly, a consequence called ringing.

During calibration, a certain load with a known exact weight is placed on the load cell. Like other devices that must be periodically calibrated, the load cell is designed to accept calibration by conducting measurements that are within engineering tolerances when used over time in certain environmental conditions. If the load cell has a flawed design then no amount of calibration can correct it.