The cause of inaccurate measurement of on-line measuring densitometer

Online measuring densitometer is used to detect the density of objects or liquid is an instrument, generally speaking, online measuring densitometer measurement is very accurate, but there will be inaccurate situation, the following is a brief introduction to the online measuring densitometer measurement of inaccurate reasons.
Online measurement density meter measurement may be inaccurate because the density meter did not return to zero at the time of measurement, so that the measured data is not normal, and must be measured after the density meter is returned to zero.
The inaccuracy of the online measurement densitometer may also be due to the presence of things on the surface of the liquid that affect the measurement, such as bubbles, which will cause the measurement results to be smaller because the bubbles are also counted as part of the sample.
There are many reasons for the inaccurate measurement of the online measurement densitometer, improper operation, accessories are not cleared, etc., which lead to inaccurate measurement data.
These are some of the reasons for the inaccurate measurement of the online measurement densitometer, we should operate according to the instructions when measuring, do not skip which step, do not simple operation, need to seriously operate to avoid inaccurate data.