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Good weighing practice
- Regular checks should be made to ensure that there is clearance between the plate and its surrounding frame. If the weighing machine operates using a lever bottom work the plate should swing freely endways.
- Regular checks should be made to ensure that the weighbridge is properly balanced when unloaded and the indicator shows zero. The weighbridge operator must know how to balance the weighing machine.
- The balance of a weighbridge will be affected by the accumulation of dirt etc on or around the place. This should be regularly cleaned to avoid any excessive build-up.
- Beneath the plate, levers or load cells may be affected by the build-up of dirt (sand) and should be cleared as necessary. If your weighbridge is prone to such contamination a regular maintenance programme should be implemented.
- In a pit-mounted weighbridge, balance and accuracy may be affected by a high water level in the pit which “floats” the levers or the bottom work. In such circumstances pumping facilities should be available and the weighbridge operator will be expected to know how to use it.
- The most common cause of “balance” error is due to rain on the plate. During periods of rain the balance should be checked and adjusted more frequently and again as the plate dries.