The complete point of having a load cell & torque sensor is to be able to weigh your loads sufficiently and accurately, so when they are not giving us the precision we expect, it leaves us wondering just what could be affecting the accuracy of our equipment. Well, there are a variety of reasons as to why Load Sensor are not providing the higher level of accuracy which you would expect, with each of them being listed here.
The Accuracy from the Load Cell & Torque Sensors. The first thing you should be doing when you are chasing accurate weighing accuracy is to decide on a high quality load cell & torque sensors manufacturer. While all manufacturers will proclaim their products offer high amounts of accuracy, merely the top brands will usually be able to provide you with the best accuracy.
A great load cell and its torque sensors will generally have good response times (how fast they give an accurate reading), will never respond to much to temperature alterations in the surroundings, will not suffer from creep (a modification of the reading after 2-3 minutes of being stationary), and definately will have really low ‘nonrepeatability’ (variations in the readings for the same load after repeated loadings).
Factors with all the Load – The accuracy of a load cell & indicator reading can be impacted by how the load is positioned on the weighing system. To make certain an accurate reading, the load has to be applied to each cell properly and as specified from the manufacturer.
In case a load has been applied poorly, such as the load being twisted, the cell and weighing system will simply throw up inaccurate results. To make sure complete accuracy when weighing, the stress has to be placed in a way that are supporting all the weight proportionally.
Outside Forces – Another reason as to the reasons accuracy could be affected on Force Sensor will be the many outside forces that could be slightly altering the load force. Wind, shock loading, vibration, and changes in temperature can all have an effect on the true accuracy of any reading.
A cross-wind may have an effect that the load feels lighter than it actually is while shock is the procedure of using more load weight than what the body weight capacity in the cells are. Vibrations from other nearby machines can also cause fluctuations in a weight whilst temperature changes in environmental surroundings could cause materials within the load either to expand or contract.
Signal Interference – The last method by which the precision from the weight of the load may be affected is through interference using the signal transmission. The burden cell electrical signal may be suffer from interference fbnbjc radio frequencies, electromechanical interference, and also moisture in the air may cause interference to the electrical signal.
So in order to ensure that Multi Axis Load Cell are as accurate as possible; you should be well aware of precisely what could affect that accuracy and put measures in position to stop those occurrences from happening. Simply use the most effective manufacturers of load cells & torque sensors leading brands, load them correctly, ensure that outside forces are limited, and this there is very little possibility of signal interference.