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 Products:  Thermodynamics, Heating and Sanitary Systems » Fundamentals of Thermodynamics » Evaporation and Condensation » WL 230
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WL 230: Condensation Unit

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Condensation Unit

Condensation Unit Condensation Unit Condensation Unit

Product Details

Technical Description
The benchtop unit provides clear demonstrations of condensation processes in a glass cylinder. The system has one condensation pipe with a polished gold-plated surface for dropwise condensation, and one condensation pipe with a matt surface for film condensation. The condensers are water-cooled. The cooling capacity can be determined. Sensors provide all relevant data which is indicated on digital displays. The measured values can, at the same time, be transmitted directly to a PC using a data acquisition card and analysed on the PC using the software supplied.
A supply of water is required.

Learning Objectives / Experiments
· Dropwise and film condensation
· Determination of the heat transfer coefficient during condensation
· Effect of non-condensable gases (air) on the condensation process
· Effect of pressure on the condensation process
· Effect of temperature on the condensation process

Clearly laid out benchtop unit for demonstrating the condensation process
Processing of measured data on a PC
Transparent condensation cavity
Condenser with gold plated surface

Alternative products
WL 220 -- Boiling Heat Transfer Unit
[1] Experimental set-up to demonstrate the process of water condensation
[2] System mounted on table support, lxwxh 900x455x820mm, 65kg
[3] Display of measured data on digital displays
[4] PC data acquisition with LabView software under Windows NT/2000/XP
[5] Heater 3kW
[6] Process tank made of glass, volume 3.8ltr
[7] 2 condensation pipes with different surfaces to realise film condensation (copper, sand blasted) and dropwise condensation (copper, gold plated)
[8] Copper piping
[9] 230V, 50Hz, 1 phase
[10] Continuous cold water requirements 400ltr/h, for short periods 1200ltr/h

Technical Data
Max. process tank pressure: 1.5bar absolute
Safety valve: 1.2bar absolute
Pressostat: 2bar absolute
Water jet vacuum pump: Qmax: 720ltr/h, final vacuum: approx. 16mbar
Condenser pipes: surface area: 36.18cm²
Sensors: 2x flow rate: 0.2...6ltr/min,
2x thermocouple J: 0...400°C,
5x temperature sensor: -40...150°C,
1x pressure: 0...4bar abs.

Dimensions and Weight
l x w x h : 900 x 455 x 820 mm
Weight : approx. 65 kg

230V, ~50Hz
Cooling water: rqd. pressure 1bar, max.1200ltr/h

Scope of Delivery
1 system, fully assembled, 1 data acquisition card with software, 1 instruction manual

Order Details
060.23000 WL 230 Condensation Unit

SELKA GmbH, Hamburg
Grindelallee 188, 20144 Hamburg / Germany
Tel.: + 49 (0) 40 343453 |  Fax: +49 (0) 40 63657075
E-Mail:   |  Internet:

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