Specifications

1. Compression refrigeration system for operation with electricity from STE 115 photovoltaic modules or from laboratory power supply

2. Compression refrigeration system: refrigerant combressor with adjustable speed, insulated refrigeration chamber with evaporator, cold accumulators and cooling load, thermostatic xpansion valve and condenser

3. Supply with direct current from photovoltaic modules in STE 115

4. Heater to generate a cooling load

5. Control unit for temperature-controlled compressor operation

6. Rechargeable cold accumulators

7. Sensors to capture temperature and pressure

8. Refrigerant mass flow rate precisely calculated via a software

9. A software with control functions and data acquisition via usb under windows 8, 10

10. Refrigerant R513A, GWP: 631

Features

1. Compressor

   • Speed: 2000…3500min

   • Refrigeration capacity: approx. 90W at 0/55°C and 2000min^-1

   • Electrical power consumption: approx. 46W at 0/55°C and 2000min^-1

2. Control unit: input voltage range: 10…45V DC

3. Refrigeration chamber: LxWxH: approx. 400x250x500mm

4. Cold accumulators: phase transition: 5…6°C

5. Refrigerant

   • R513A

   • GWP: 631

   • Filling volume: 450g

   • CO2-equivalent: 0,3t

6. Measuring ranges

   • Temperature: 4x -30…80°C, 3x 0…120°C

   • Pressure: 2x 0…6bar, 2x 0…30bar

   • Current: 0…10A

   • Voltage: 0…60V

   • Flow rate: refrigerant calculated 0…11kg/h