One aspect of loss-in-weight feeder error is the standard error. In addition, this error is the key to the accuracy and reliability of the test results of the weight loss scale.
The standard for static measurement of weight loss scale is standard weight. Its dynamic test is to control the weighing instrument. Therefore, the error of the standard weight should not be greater than one-third of the maximum allowable error of the corresponding weight of the weight loss scale.
According to relevant data, the measurement error of the weightlessness scale is less than 0.5%. The accuracy of the loss-in-weight scale is very high, almost the same as the static scale. Due to the good measurement stability and no need for frequent calibration, the workload of the verification personnel is greatly reduced; the reduction of production costs has had a major impact.
In addition, if the loss-in-weight scale is equipped with an auxiliary calibration device, it is required that the maximum allowable error of the device does not exceed one-third of the maximum allowable error of the applied load. In addition, the weight error used in the auxiliary calibration device should not be greater than one-third of the maximum allowable error under the same load.
To sum up, the above is the main content of the allowable error of the powder weight loss scale.