Load Cells/

Load Sensors

Load sensors are components of measuring devices that monitor and gauge forces of compression, tension and shear. They communicate to a computer system by sending weight data through converting mechanical force into an electrical output signal. These sensors are used in mechanical testing, ongoing system monitoring and as components in devices such as industrial scales.

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Strainsert Company
West Conshohocken, PA
610-825-3310
Strainsert Company provides comprehensive design, testing and service for industry leaders in space, on the ground and in the oceans. Strainsert demonstrates its product confidence with a two year warranty, twice the typical industry standard. For precision manufactured load sensors, turn to Strainsert Co. Please call today with any questions you may have.
The Montalvo Corporation
Gorham, ME
207-856-2501
More than just quality load sensors, The Montalvo Corporation gives you knowledge based solutions so your machines are running at maximum efficiency, reducing waste, and increasing your productivity and profitability. Montalvo's experienced engineers will partner with you to give you the very best. Please call The Montalvo Corporation today with any questions you may have.
Stress-Tek, Inc.
Kent, WA
800-237-0022
Looking for the best load sensors for your measurement challenges? Look no further! Stress-Tek will provide you with the quality products you need, meeting your requirements down to the last detail. Stress-Tek's experienced and talented team of engineers and supporting personnel will work with you to find the solution that is right for you. Please contact Stress-Tek today.
Interface, Inc.
Scottsdale, AZ
800-947-5598
Interface has been a top manufacturer of precision load sensors for over fifty years, bringing quality solutions to a wide spectrum of valued and satisfied customers. All Interface calibrations are NIST traceable and its lab has A2LA accreditation, guaranteeing you quality assurance every single time. Interface will work with you to provide precisely what you need quickly and cost-effectively.
SENTRAN, LLC
Ontario, CA
888-545-8988 Ext 12
Make SENTRAN your first choice for quality load sensors. SENTRAN offers the most comprehensive selection of quality weighing system solutions available anywhere. The materials used in SENTRAN's products are specially heat treated to provide strength, durability and optimum standards of performance in the most rigorous of applications. SENTRAN is here to serve you!

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Industry Information

Load Sensors


The most common type of load sensor uses strain gauges for the sensor section, which are very small devices that measure the strain of an object by converting internal deformation into electrical signals to precisely measure weight, force or strain. A strain gage is commonly a coil, although it can come in other shapes as well. A foil pattern is another common style of strain gauge. Force gauges use strain gauges in push-pull testing and flow measurements, utilizing these types of load sensors as part of a larger system rather then a simple circuit. While most measure and test with strain gauges, some are piezoelectric sensors, which use piezoelectric crystals to measure weight, strain, movement and vibrations. Many of these sensors, although quite small, are built to support or hold as much as several tons, while miniature load cells are built to provide precise measurements for much smaller applications such as medical measurements. The range in size can be as vast as a load sensor that weighs a gram up to a load sensor that weighs over a hundred tons.

After load sensors transduce mechanical stress into electrical energy, the information that they monitor is then signaled to a recorder or other computerized data collection system. Load sensors use analog or digital technology for the recording and transferring of information. Common analog outputs are analog current, analog voltage and analog frequency, all of which are translated onto a screen as workable data. Load sensors and gauges are used in manufacturing, processing and testing industries. The food processing industry uses them to precisely measure ingredients and for product distribution during packaging. Other applications include the testing of bridge building materials such as beams, for tension strength, as well as in railcar weighing and truck scales. They are important components in calibration systems, and are also used in fatigue testing for research and development laboratories. So the automotive industry as well as construction, marine and industrial manufacturing all utilize this vital tool.