GT2025051408
Features:
Model of an absorption refrigeration system
Boiler operated alternatively by gas or electrically
Adjustable heating at the evaporator serves as cooling load
Specification:
Operation of an absorption refrigeration system
Main system components: evaporator, absorber, boiler with bubble pump, condenser
Ammonia-water solution as working medium, hydrogen as auxiliary gas
Boiler to separate ammonia
Bubble pump for transportation in the circuit
Adjustable electrical heater at the evaporator serves as cooling load
Boiler is alternatively heated by electrical heater or gas burner
Piezoelectric igniter for gas operation
Digital displays for temperature and power
Technical data:
Working medium: ammonia-water solution
Auxiliary gas: hydrogen
Electric heater: 125W
Gas burner, adjustable: propane gas
Evaporator heater, adjustable: 50W
Measuring ranges
temperature: 4x -50?200°C
power: 0?150W
230V, 50Hz, 1 phase
Learning objectives/experiments:
Demonstrate the basic principle of an absorption refrigeration system
Absorption refrigeration system and its main components
Operating behavior under load
Scope of delivery:
1 experimental unit
1 hose
1 pressure reducer
1 set of instructional material

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