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 Products:  Thermodynamics, Heating and Sanitary Systems » Applied Thermodynamics » Solar Energy & Photovoltaics » ET 202
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ET 202: Solar Energy Demonstration / PC

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Solar Energy Demonstration / PC

Solar Energy Demonstration / PC

Product Details


Technical Description
The ET 202 is a fully-functional demonstration model of a system for heating domestic water using radiation energy. A high-power lamp simulates natural sunlight. Therefore, the unit can also be used in closed rooms. The light is converted into heat in an absorber and transferred to a heat transfer medium, in this case water. A circulating pump delivers the heat transfer medium through a warm water reservoir. In the reservoir, the heat is transferred to the stored water by a heat exchanger. Additional heat can be dissipated using 2 tap water connections. The unit is equipped with sensors to record temperatures, illumination and flow rate. The measured values are indicated on displays. Using a data acquisition card, they can be transferred to a PC for further processing. The ET 202 can be used to investigate various angles of incidence and irradiances. To do this, the flat absorber can be set to different angles and the height of the lamp is continuously adjustable.

Learning Objectives / Experiments
- Familiarisation with the layout and function of a
  solar collector hot water system
- Heat transfer in solar collectors
- Setting up energy balances
- Determination of efficiencies
- Influence of angle of incidence and irradiance

Features
* Fully functional demonstration model for the conversion of radiated energy into heat1
* Understanding the function of a solar collector1
* Height-adjustable halogen lamp as light source1
* Inclinable flat absorber1
* Processing of measured data on a PC
Specification
[1] Fully functional demonstration model of a solar energy absorption system
[2] Collector surface 3x 320x120mm
[3] Height adjustable high-power lamp
[4] Flat absorber can be inclined
[5] Solar circuit with circulating pump
[6] Warm water tank with heating coil as heat exchanger
[7] Temperature measurement with PT100 sensor
[8] Flow rate measurement with impeller sensor
[9] Illumination measurement with heliometer
[10] PC data acquisition and display of measured value on digital displays
[11] 230V, 50/60Hz, 1 phase or 120V, 60Hz, 1 phase

Technical Data

Flat absorber
- solar collector surface: 3 strips of 320x120mm
- inclination adjustment: 0...60°, resolution 10°
Halogen radiator: 1000W
Circulating pump
- 18W
- max. flow rate: 10L/min
- max. head: 5.7m

Measuring ranges
- temperature: 0...100°C
- flow rate: 0.025...0.5L/min
- illumination: 0...20000LUX
LabView software runs under Windows NT/2000/XP

Dimensions and Weight
l x w x h : 1000 x 450 x 1360 mm
Weight : approx. 60 kg

Connections
230V, 50/60Hz, 1 phase or 120V, 60Hz, 1 phase

Scope of Delivery
1 unit, completely assembled
1 data acquisition card with software
1 instruction manual

Order Details
061.20200  ET 202  Solar Energy Demonstration / PC
Alternative products
HL 313 -- Single Solar Collector System

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

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