Radwag BALANCES 3Y SERIES Manual de usuario descargar pdf (Pagina 42)

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Correction value [mg]

Density of weighed load

Sample mass [g]

Error value in relation to density of weighed sample

2. Testing the changes of sample mass within a few hours’ time, if: sample

mass is relatively constant (minor changes). In such case it is assumed,

that considerable effect on the measurement result rests on air density

changes, which is affected by changes of pressure, temperature and

humidity.

In order to carry out a reliable measurement, apart from being familiar with

relations applying to ambient conditions, an operator should know the measuring

methods, features of tested sample, air density in the laboratory room and

density of weighed sample.

FUNCTIONING

The application provides two ways to use the air buoyancy compensation

procedure.

1. Inserting the specified value of air density and specified value of weighed

sample density to balance’s memory.

On inserting these values the application automatically calculates the

correction factor for weighed mass and indicates corrected value of

weighed mass on balance’s display.

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Radwag BALANCES 3Y SERIES Manual de usuario Pagina 42