IEC 62552 Household refrigerating appliances test bench

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Refrigerating appliances test bench

IEC 62552 Household refrigerating appliances test bench

H Household refrigerating appliances test bench. The system runs part of the performance tests required by IEC 62552. The test station is used in a climatic chamber for product design.

Test bench are run in an high accuracy station that automatically measures and collects data from the refrigerator in real time during the test and data analysis in batch mode during the test. This test bench runs electrical safety and performances for household refrigerators: storage temperatures, energy consumption, temperature rise, freezing test. Test bench includes a software allowing test measurement recording and reporting on a central database.

 

Performance tests according to IEC 62552 included

  • Storage temperatures
  • Energy consumption
  • Temperature rise
  • Freezing test

Household refrigerating appliances test bench hardware

  • Sensors: temperature (24 thermocouple inputs), current, power and energy (2 analog inputs), pressure (2 analog inputs) and humidity (4 analog inputs)
  • National Instruments data acquisition measurement system with modules for thermocouples, analog input and digital I/O
  • PC workstation

Household refrigerating appliances test bench software

  • Measured data is always associated to the refrigerating appliance and stored in the laboratory data base
  • Automatic reporting on performance test

Sensor measurement accuracy

  • Temperature: ± 1K
  • Pressure: ±2 bar
  • Voltage, current: ±0.5 %
  • Frequency: ±0.1 %
  • Electric Power: ±1%
  • Electric Energy: ±1%

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