Radwag MYA 5.3Y.F1 Microbalance Instrukcja Użytkownika Pobierz pdf (Strona 70)

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20.1. Determining density of solid object

Before starting the procedure, it is necessary to determine parameters of the

process, such as:

− Type of liquid

o Distilled water

o Ethanol

o Other liquid with determined density

− Liquid temperature

(required if used liquid is distilled water or ethanol)

− Liquid density

It is set automatically if liquid type Water or Ethanol is used and on

inserting liquid temperature. If used liquid is <Other> then it has to

be inserted manually.

The density of solids is calculated according to a formula:

ρρ

−

ρ - density of a sample

A - sample’s mass measured in the air

B - sample mass measured in liquid

- liquid density

PROCEDURE

1. Assembly the density determination kit

2. Should the density value be saved in a product record of the database of

products, set parameter <Assign density to product> in <Settings> and

activate product using quick access key <Product>,

3. Press < Density of solids > soft key

4. A window with menu is opened, set appropriate values for fields: Standard

liquid, Temperature, Density of standard liquid,

5. Press < START > key

6. The balance is ready to start density determining process of solids.

7. Load a sample on the TOP pan of the density kit, and on stabilization of

measurement result press < > key,

8. Load the sample on the BOTTOM pan of the density kit which is immersed

in liquid, and on stabilization of measurement result press < > key,

9. The display indicates result of density determining process,

10. Press < > key to finish the procedure.

Caution:

Pressing < > key starts another density determining process with the same

settings.

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Radwag MYA 5.3Y.F1 Microbalance Instrukcja Użytkownika Strona 70