Weigh Modules, Load Cells, Load Sensors

Tailored to The Needs of Machine and Instrument Manufacturers

Weigh modules and load cells enable the quick and safe conversion of tanks, vessels, silos, hoppers, conveyors, or other structural systems into scales. Built-in side-load and anti-lift protection ensure that safety, performance, and precision are maintained. METTLER TOLEDO offers a wide range of weigh modules with capacities from 5 kg up to 300 t.

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Discover a Range of Industrial Weigh Modules and Load Cells

Weigh Modules, Load Cells, Load Sensors
Weigh Modules, Load Cells, Load Sensors

METTLER TOLEDO weigh modules, or weighing modules, are used in food, pharmaceutical, and chemical applications.  They are available in various versions depending on the application and environment to meet the requirements of OEM machine manufacturers, system integrators, and end-users. Weigh modules incorporate SafeLock for fast and safe installation. The weigh module is locked and acts as a solid block protecting the load cell sensor from overload during installation. 

A wide range of accessories are available for weigh modules including stabilizers for use with aggressive mixers and agitators, thermal pads to isolate from conducted heat, and shock-vibration pads to dampen shock and vibration. Dead stands for level-control applications are also available.

METTLER TOLEDO offers a wide range of weighing modules from 5 kg up to 300 t capacity. Weigh modules are available in painted steel, zinc-plated steel, 304 (1.4301) stainless steel and 316 (1.4401) stainless steel electro-polished. They are available in various legal-for-trade accuracy levels according to OIML R60 and NTEP HB44 starting from OIML 3000e (OIML C3), NTEP 5000d, OIML 6000e (OIML C6), NTEP 10000d to finally OIML 10000e (OIML C10). Weigh modules are available for hazardous area applications and are approved according to ATEX, FM (Factory Mutual), cFM (Canada), IECEx, and NEPSI. They meet protection classes IP67, IP68, or even IP69K. Weigh modules are available in EN1090 versions made in specially controlled and documented manufacturing processes for high safety requirements. Weigh modules support the weightless calibration CalFree or even CalFree Plus allowing for tank calibration on a fingertip.

What is the difference between a weigh module and a load cell?

If we look at this question in simple terms, this can be easily explained. Put simply, a weigh module takes a non-traditional structure and turns it into a scale. And a load cell or load cell sensor is what is found within every 'traditional scale' – let's break that down a little further. 
 
A weigh module takes a non-traditional structure, most commonly a tank, and turns it into a weighing device. This means, when we add weighing sensor modules underneath tank legs, the tank goes from just a structure that was holding a substance, to a weighing structure that is measuring how much substance is within the tank itself. 
 
A load cell, in simple terms, is the heart of every standard scale. Load cells are found in all scales, from a highly sensitive lab balance to a heavy duty floor scale, and everything in between. Load cell sensors are what take a scale from just a platform and turn it into a sensitive weighing device.

Why should I choose METTLER TOLEDO as my weigh modules and load cell provider?

METTLER TOLEDO takes a consultative approach to all projects. Our team of expert sales and service technicians work hard to ensure you get the solution that is fit for your purpose, with the required accuracy and durability for your application.

What is a load cell and how does it work?

The basics of load cell technology is converting a load - which is a force applied to any mass in the earth gravity field – into an electrical signal. Most load cells have so called load cell sensors that convert a mechanical strain into a resistant change. Learn more on load cell sensors below. The mass applies a load enforced by the gravity field, that load stresses the body of the load cell and lead to deformation – strain. The load cell sensor is converted into resistant change and finally into a voltage output. That output is proportional to the applied mass. 
 
A scale load cell, or load cell sensor, is used in variety of industries in which precise measurements are needed. Load cells accurately measure the weight of tanks, vessels, hoppers or conveyors. Load cells are built to withstand the demands of a variety of rugged industrial applications. The capacity of load cells can greatly vary. Some load cells are more appropriate for laboratory applications, while others are more appropriate for high-capacity batches or logistics applications. 
 
Load cells shall meet all globally required approvals and standards. They include electronic load cells, analog load cells, and hydraulic load cells that allow you to change your structure into a scale. Load cells are used in floor scales, belt weighers, weighing systems, pallet scales, checkweigher scales, load cell scales, and conveyor scales. Loading cell technology from METTLER TOLEDO features robustness for harsh environments as well. These are typically used in tank scales, vessel weighing, silo scales and truck weighing.

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