Benefits

• Measurement of electrical and thermal conductivity in one set-up
• Compact, easily transportable setup

Temperature probe, immersion type, Pt100

Surface temperature probe PT100

PHYWE multitap transformer

PHYWE Temperature meter digital, 4-2

PHYWE Universal measuring amplifier

Magnetic stirrer without heating, 3 ltr., 230 V

Universal clamp

Beaker, 400 ml, low-form

Magnetic stirring bar 30 mm, cylindrical

Portable Balance, OHAUS CL2000J

Tripod base PHYWE

Support rod, stainless steel, 750 mm

Support rod, stainless steel, 1000 mm

Supporting block 105x105x57 mm

Stopwatch, digital, 1/100 s

Heat conductive paste,50 g

Calorimeter vessel, 500 ml

Gauze bag

Calor.vessel w.heat conduct.conn.

Heat conductivity rod, Cu

Heat conductivity rod, Al

Immers.heater,300W,220-250VDC/AC

Rheostat, 10 Ohm , 5.7A

Digital multimeter 2005

Connecting cord, 32 A, 500 mm, red

Connecting cord, 32 A, 500 mm, blue

Connecting cord, 32 A, 1000 mm, red

Right angle clamp expert

Bench clamp expert

Tasks

1. Determine the heat capacity of the calorimeter in a mixture experiment as a preliminary test. Measure the calefaction of water at a temperature of 0 °C in a calorimeter due to the action of the ambient temperature as a function of time.
2. To begin with, establish a constant temperature gradient in a metal rod with the use of two heat reservoirs (boiling water and ice water). After removing the pieces of ice, measure the calefaction of the cold water as a function of time and determine the thermal conductivity of the metal rod.
3. Determine the electrical conductivity of copper and aluminium by recording a current-voltage characteristic line.
4. Test of the Wiedmann-Franz law.

What you can learn about

• Electrical conductivity
• Wiedmann-Franz law
• Lorenz number
• Diffusion
• Temperature gradient
• Heat transport
• Specific heat
• Four-point measurement