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Products | Thermodynamics, Heating and Sanitary Systems | Fundamentals of Thermodynamics | WL 375

WL 375

Advanced Conduction Unit

Technical Description

In this benchtop unit, a metal test bar is clamped between a heater and a Peltier element as the cooler. The complete arrangement is under an evacuated bell jar. In this way errors due to convection can be ignored and all the heat must flow through the test bar. The thermal conductivity can be calculated from the temperature difference between the hot and cold end and the heater power. The housing contains the vacuum pump and the digital displays.

Learning Objectives / Experiments

· Determination of thermal conductivity for various materials
· Thermal energy balance of heat source and heat sink

Features

Linear heat conduction in metal specimens
PC data acquisition
Simple and clear layout of the system
Experiments are visible under a glass cover

Alternative products

WL 372 -- Heat Conduction Unit / PC
WL 374 -- Heat Conduction in Solids
WL 376 -- Thermal Conductivity of Building Materials
WL 900 -- Heat Conduction Trainer

Specification

[1] Unit to study linear thermal conduction in metal specimens under vacuum
[2] Galss bell, diaphragm pump and manometer to generate a vacuum
[3] Heater 1.5W
[4] Peltier element as cooler
[5] Specimens made of stainless steel, brass, aluminium, copper
[6] PC data acquisition with LabView software under Windows NT/2000/XP
[7] Digital displays for temperatures, current, voltage
[8] 230V, 50/60Hz, 1 ph. or 120V, 60Hz, 1 ph.
[9] lxwxh: 600x490x580mm, 27kg

Technical Data

Diaphragm pump, 90W: vacuum max. 10mbar abs., pmax: 3bar, Qmax: 6ltr/min
Heater: 1.5W
Peltier element 8.5W, temp. difference: 70K
Manometer -1...0bar
Specimens: Ø5x128mm, 80mm measured length, material: stainless steel, brass, aluminium, copper
System requirements: PC with Pentium III 600MHz, 1 PCI slot, 100MB free hard disc space, graphics card resolution 1024x768 pixel, true color

Dimensions and Weight

l x w x h : 600 x 490 x 580 mm
Weight : approx. 27 kg

Connections

230V, 50/60Hz, 1 ph. or 120V, 60Hz, 1 ph.

Scope of Delivery

1 complete unit, 1 data acquisition card with software, 4 specimens, 1 tube with heat-conductive paste, 1 instruction manual

Order Details

060.37500 WL 375 Advanced Conduction Unit