Load cells come in various shapes, sizes and capacities and are now the industry standard for all sorts of weighing. It can be a bit of a mine field looking for the correct load cell for your application. We have listed probably the most common found today and their uses.
Single Point – Single point are the cheapest and most popular type on the market today. Because of their price and reliability, they are available in most types of retail scales, counting scales, medical scales, parcel scales and postal scales. This sort of load cell can also be used in platform scales and industrial weighing systems to offer accurate readings no matter the positioning of the load on the platform, reducing manufacturing costs.
Canister Type – Canister type have been in existence for a long period and are generally the industry standard for many high capacity, compression applications. Canister type load cells can be used for Rotary Torque Sensor. This kind of cell has a button on the top and bottom side and can be used in compression only. Canister type load cells are used in tank scales, vessel weighing applications, axle weighing scales, truck weighing, vehicle scales and weighbridges. Canister type load cells offer accurate weighing in harsh environments.
Double Ended Shear Beam – For medium to high capacity applications, the double ended shear beam offers a number of advantages over other designs. This type has the ability to rock on its mountings to support any misalignment in mounting surfaces whilst still being retained, this too permits limited movement to permit for thermal expansion and contraction in addition to lift off protection. This type of cell can also be available as a weighing module kit.
Single Ended Shear Beam – Single ended shear beam are commonly present in all types of floor, platform and shipping scales today and provides an excellent solution for the majority of medium capacity weighing applications. Single ended shear cells are able to withstand full capacity side load without any problems which makes them particularly appropriate for weighing systems with mixers, blenders and agitators. This kind are incredibly durable but can become costly and cumbersome to mount above 10,000kg. This sort of cell is additionally available in weighing module form.
Tension Link – The tension link are suitable for applications such as winching, hanging scales, crane weighing scales and lifting systems. This type of load cell offers superior accuracy at Button Load Cell. This kind of cell has openings at either end to allow for easy link to shackles, wire rope, D links or other rigging. Tension link load cells offer a rugged design for resistance to side loading.
Torsion Ring – Torsion ring certainly are a relatively new concept in design and provide a great low profile solution for a wide range of weighing applications. Unlike standard compression load cells, which can readily have problems with off-axis loading problems, torsion rings are loaded by way of a centrally located annular ring. Simply by using a central floating pin to send out load for this ring, optimum load introduction is assured and off-axis loads as much as three or four degrees may be tolerated without loss in performance. Proprietary mounting modules, which offer excellent versatility, are available for both process weighing applications and platform scales.
Weighing Modules – Weighing module generally is made up of load cell with mounting kit. Various kinds of now come supplied as modules but generally single or double ended shear beam and canister type are definitely the industry standard. Load cell weighing modules are utilized in tank scales, silo weighing, vessel weighing applications, axle weighing scales, truck weighing, vehicle scales and weighbridges.
Wireless – The suggestions above have one major flaw; these are attached to devices via cable. One of the primary problems with any weighbridge or floor scale is the risk of damaged cables. Making use of the latest technology, wireless, load cells are being made available and could some day become the industry standard. The above load cells are now obtainable in wireless format, although omqzxd technology comes at greatly increased price.
S Type – S type have their name using their shape, being the letter ‘S’. S type load cells can provide Multi Axis Load Cell when utilized in either tension or compression and provide superior side load rejection. This kind of cell has two female threaded fixing points, top and bottom were eye bolts or thread rod ends could be attached. This kind are utilized in crane scales, hanging scales, hoist scales and most tension applications.