The whole point of having Rotary Torque Sensor is to be able to weigh your loads sufficiently and accurately, so when they are not giving us the accuracy we expect, it leaves us wondering just what could be affecting the accuracy of our equipment. Well, there are a number of reasons as to why your load cell & torque sensors are not offering the high level of accuracy that you would expect, with each of them being shown below.
The Accuracy in the Load Cell & Torque Sensors – First thing you need to be doing when you are chasing accurate weighing accuracy is to pick a high quality load cell & torque sensors manufacturer. While all manufacturers will proclaim that their products offer high degrees of accuracy, only the top brands will often have the capacity to deliver the best accuracy.
A good load cell along with its torque sensors will generally have good response times (how fast they provide an exact reading), will never react to much to temperature changes in the environment, is not going to suffer with creep (a modification of the reading after 2-3 minutes for being stationary), and can have very low ‘nonrepeatability’ (variations in the readings for the very same load after repeated loadings).
Factors with the Load – The precision of a load cell & indicator reading could be afflicted with just how the load is put on the weighing system. To ensure a precise reading, the stress needs to be applied to each cell properly and as specified from the manufacturer.
When a load has been applied poorly, such as the load being twisted, the cell and weighing system will only throw up inaccurate results. To ensure complete accuracy when weighing, the stress needs to be placed in such a way which can be supporting each of the weight proportionally.
Outside Forces – One more reason why accuracy may be affected on Compression Load Cell will be the many outside forces that might be slightly altering the load force. Wind, shock loading, vibration, and modifications in temperature can all have an effect on the true accuracy of the reading.
A cross-wind might have an effect the load feels lighter than it actually is while shock is the procedure of putting on more load weight compared to what the weight capacity of the cells are. Vibrations from other nearby machines may also omqzxd fluctuations in a weight whilst temperature changes in the surroundings can cause materials within the load either to expand or contract.
Signal Interference – The final manner in which the precision in the weight of any load may be affected is thru interference with the signal transmission. The burden cell electrical signal can be suffer with interference from radio frequencies, electromechanical interference, and even moisture inside the air could cause interference towards the electrical signal.
Summary – So to make sure that 3 Axis Force Sensor are as accurate as is possible; you need to be knowledgeable of exactly what could affect that accuracy and put measures in place to avoid those occurrences from happening. Simply use the very best manufacturers of load cells & torque sensors leading brands, load them correctly, make certain that outside forces are limited, and this there is very little chance of signal interference.