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Working Technology



The robustness and stiffness of the platforms can be attributed to the fact that the platforms are constructed utilising a combination of large structural steel beams sections and reinforced concrete. The result is a working platform that is very rigid by weighbridge/scale standards.

Load cells / weigh cells

BLMS load cell
Each load/weigh cell has a weighing capacity of 20, 30, 34 or 40 tons with an 80% safe overload. The load/weigh cell is manufactured under vacuum and sealed in a sterile environment. The metal joining process is undertaken by computerized robots. These features extend the life of the load cell significantly.

Load / weigh cell housings

Load cell housingThe housing assemblies are designed to permit the dissipation of energy by a swing action that occurs as a result of aggressive braking of a vehicle loaded to capacity. This design criteria is for the protection of the load/weigh cell and can absorb a load of up to 200 metric tons.


OmegaThe omegas are cast from a special metrological material and are designed to absorb a load of up to 360 metric tons.

Load / weigh cell bases

The bases of the load cells are made from 16mm steel plates to ensure durability.

Junction / connecting boxes

Instead of the standard 2 layers of protecting cover board (PCB), the junction boxes are constructed from 8 layers and the circuit net is constructed from 18 microns in place of 2.



The load/weigh cells have a weigh capacity of 20, 30, 34 or 40 metric tons.


The resolution of the Shear beam load/weigh cell is 10 000 divisions (sensitivity level).


The resolution and sensitivity give an accuracy level of 20kg.


The load/weigh cells have 4 sensors and each sensor has 4 sensitivity points resulting in improved accuracy.


The load/weigh cells internal wiring is sealed and protected against corrosion, water, mud, phosphates, RFI, R60 and R76, and are vibration resistant.


In the event that a load/weigh cell malfunctions, the policy is to replace rather than repair them.


The weighbridge can be cleaned using water at a nominal pressure with no risk of damage.




For a weighbridge or scale being rented, the computer with its weighing software is guaranteed during the period.


An optional extra, using a Radio Frequency Identification Device located on the vehicle, is the zero manning upgrade, where no staff are required to operate the weighbridge or scale.



The weighbridge has a design capacity of 1,000,000 weighs equating to a design life of at least 20 years


CWCSA has a policy to replace faulty parts rather than to repair them, resulting in increased up-time.

Plug ‘n play


The design allows repairs to be done quickly whereby parts can be swapped out and the system speedily re-calibrated.


Fuses inside the weighing computer protects the whole electronic system from most power surges, thus reducing the need for expensive repairs. In High Lightning areas, surge protectors are recommended as well as Data line surge protectors.


A stabilizer, located within the power supply of the weigh computer, controls the voltage between 140 to 260 volts.


The computer can interface with most network software packages to be used as a management tool.

Open DDL

CWCSA’s weigh console has open communication between many platforms in the way of an open DLL. This DLL file enables the customer to import weigh data into numerous formats including Access; SQL; SAP, Excel; PowerPoint etc. If required, CWCSA will give the customer the relevant files for their accounting software/management software/production software. All that is required is a NDA (non-disclosure agreement) between the client and CWCSA



The weighing computer can operate even when there is a power failure by adding a suitable battery and an inverter.

Information integrity

The removal of a manual procedure for capturing data for weighing certificates resulting in reduced capture errors.

Inter connectivity


Any number of weighbridges or scales may be connected to one another with incoming and outgoing weighing information on the same weighing certificate number from different computers.

Silo loading

The computer can also be connected to the silo computer so that a truck can be loaded with product while standing on the weighbridge or scale, preventing unnecessary time loss with dumping and reloading if loading was inaccurate.

Control devices

Security to sites, and to weighbridge facilities, is increasingly becoming more and more critical. Boom gates are very good identifiers of restricted areas, as well as providing a physical barrier to that area.
Boom Gates

Boom gates can be integrated into the site’s weighing process (such as with a weighbridge transaction). CWCSA supplies software packages allowing the boom gate to be controlled manually or to be integrated with the site’s systems to form part of an overall, automated

Boom gates are considered intelligent devices now with integrated photo-electric sensors and ground loops enabling the boom gate to sense the presence of a vehicle and relay this back to a software package.