The whole point of having a load cell & torque sensor is so that you can weigh your loads adequately and accurately, so while they are not giving us the accuracy that we expect, it leaves us wondering just what could be affecting the precision of our equipment. Well, there are a number of reasons as to why your load cell & torque sensors are not providing the higher level of accuracy that you would expect, with each of them being shown below.
The Accuracy from the Load Cell & Torque Sensors – The first thing you should be doing when you are chasing accurate weighing accuracy is to select a top quality multi axis force sensor manufacturer. While all manufacturers will proclaim that their products offer high levels of accuracy, just the top brands will often have the capacity to provide the best accuracy.
An excellent load cell as well as its torque sensors will generally have good response times (how fast they provide a precise reading), will not respond to much to temperature changes in the surroundings, will not suffer from creep (a modification of the reading after 2-3 minutes of being stationary), and will have really low ‘nonrepeatability’ (variations in the readings for the very same load after repeated loadings).
Factors with the Load – The accuracy of the load cell & indicator reading could be affected by just how the load is put on the weighing system. To ensure an exact reading, the load needs to be put on each cell properly so that as specified from the manufacturer.
In case a load has become applied poorly, including the load being twisted, the cell and weighing system will only throw up inaccurate results. To ensure complete accuracy when weighing, the load has to be placed in such a way which are supporting all of the weight proportionally.
Outside Forces – One other reason as to why accuracy might be affected on torque sensor is the many outside forces that might be slightly altering the body weight force. Wind, shock loading, vibration, and modifications in temperature can all provide an effect on the true accuracy of a reading.
A cross-wind can 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 body weight capacity of the cells are. Vibrations from other nearby machines dzrgzs also cause fluctuations in a weight whilst temperature modifications in environmental surroundings could cause materials in the load to either expand or contract.
Signal Interference – The last way in which the accuracy in the weight of a load might be affected is through interference using the signal transmission. The burden cell electrical signal could be suffer from interference from radio frequencies, electromechanical interference, as well as moisture in the air could cause interference to the electrical signal.
Summary – So in order to ensure that compression load cell are as accurate as you can; you should be knowledgeable of precisely what could affect that accuracy and set measures set up to avoid those occurrences from happening. Just use the most effective manufacturers of load cells & torque sensors leading brands, load them correctly, make sure that outside forces are limited, which there is little chance of signal interference.