Wireless Portable Weighing Pads

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Camaweigh Portable Weighbridges

What are Weighbridges?

Weighbridges are the main vehicle weighing equipment in the weighing industry. Out of the other kinds of vehicle weighing equipment, the weighbridge is the largest of them all. A weighbridge, alternately called a truck scale, is a type of vehicle weighing equipment which is used to determine the total weight of a truck or vehicle. Unlike other vehicle weighing equipment like the weighing pads and axle weigh scales which both measure the loads on each wheel axle of a vehicle, the weighbridge measure the vehicle as a whole.

A weighbridge is a vehicle weighing equipment which consists of five important components; a steel platform, load cell/s, concrete foundations, scale indicator, and connecting cables. The steel platform is where the vehicle or truck will be stationed for weighing.

Types of Weighbridges

There are two kinds of weighbridges offered by Camaweigh, portable and fixed weighbridges. Portable weighbridges, also referred to as pitless type trucks scales, are the type of weighbridges whose steel platform doesn’t to be aligned with the ground level. Since it is portable, it can be used almost anywhere needed. It is also very easy to setup and move around. Portable weighbridges have ramps on each end to help in load and unloading the vehicle or truck to be weighed onto the steel platform. Without the ramps, it would be almost impossible load the truck onto the portable weighbridge. The concrete foundations of the portable weighbridge are responsible in supporting the load cells which are sandwiched in between it and the steel platform. The concrete foundations should be strong enough and well-built so as not to crumble under weights reaching up to 40 tons. The loads cells are the most important of the portable weighbridge and any kind of vehicle weighing equipment. They are the heart and soul which are responsible for reading of the vehicle’s weight.

 A portable weighbridge with a defective load cell is useless. Each load cell’s output line is connected to a junction box or summing box which sums up all the individual result from the load cells. The output of the junction box then goes to a scale indicator. Camaweigh’s load cells are made from alloy steel which is sturdy enough to handle massive loads on their own. The maximum capacity load cell which Camaweigh offers reaches up to 40 tons.  A load cell is a type of pneumatic transducer which converts forces like shear, strain, and compression into electrical current. Scale indicators are responsible for accumulating all the data and displaying the results.

How Portable Weighbridges Work

The weight of the vehicle or truck’s load is determined by first weighing it empty. This will be established as the reference point. When the truck or vehicle is loaded then it will be weighed again on the portable weighbridge. The reference point will then be subtracted from this new weight reading. The difference of the two weights will be the weight of the payload. Calibration tests are very important to conduct on portable weighbridges to ensure that you will get the most accurate reading possible and to find out if you need to adjust anything on the setup. When there is nothing on the portable weighbridge, the reading on the scale indicator should exactly be reading a zero. Repeatability test is a good calibration test to conduct on newly installed weighbridges, portable or not. This calibration test ensures that you will get the same weight result every single time when the same truck is used under the same kind of condition. If the result the tests differ each time, then it is best to check the setup and the weighing equipment. It may be that a load cell might be functioning or that maybe the steel platform of the portable weighbridge is not properly in contact with the load cells.