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Teaching suggested applications*

-          From the measurements of flow rate and pressure losses in the capillary, the viscometer allows:

-          To study the Poiseuille flow

-          To study a liquid of known viscosity

-          Precisely determining the radius of the capillary tubes

-          To measure the dynamic viscosity of a liquid and to study its variation based on the temperature

Description

The PBC 100 bench allows for typical tests of the study of the viscosity. The bench allows to study the flows of POISEUILLE and accurately measure the dynamic viscosities of liquids, kept at constant temperature, from the reading of a pressure and a measured time. The liquid whose flow is studied is placed in a detachable pressurizable thermostatic enclosure that feeds a capillary tube, also thermostatic. One can continuously vary the pressure of the pressurization of the enclosure as well as the temperature of the studied liquid that we constantly stirred to ensure the homogeneity. The capillary tube is also removable.

The robust design of this equipment makes it perfectly suited for use in schools. Its anodized aluminum structure on wheels makes it extremely robust as well as great flexibility of integration into your premises. The manufacturing of this equipment meets the European machine directive.

1.    Manometer with calibrated scale

Pressure in enclosure : 0-1 bar

2.    Thermostatic bath

Capacity : 5L

Power: 2000 W

Setting of +25°C to 100°C

3.    Graduated pipettes with bracket

Volume : 10mL and 20 mL

4.    Beaker for recovery

5.    Capillary tube with thermostatic sleeve

• Ø=0,2mm, Ø=0,4mm, Length = 400 mm

6.    Manometer of the network of compressed air

Scale  0-10 bars

7.    Pressure regulating valve in the enclosure

8.     Filling valve or venting

9.    Pressurized glass container

The presence of a safety valve

10.  Exchanger by coil

Allows the heating of the liquid in the enclosure

11.  Magnetic stirrer

Magnetic bar

Enclosure temperature display

Thermocouple of type T

Digital stopwatch for time measurement

• Power supply : 230 VAC – 50Hz – 20 A
• Supply in compressed air: 3 bars