1、 Performance and specification 、 System structure 、 Working principle

System structure

1. 
   Freezing system: Multi-section automatic load capacity adjustment technology.
   
   1. 
      compressor: imported with regional packaging from France: Taikang full closed high efficiency compressor
      
   2. 
      refrigerant: environmental refrigerant R-404
      
   3. 
      condenser: air cooled condenser
      
   4. 
      evaporator: fins style automatic load capacity adjustment
      
   5. 
      attachment: desiccant, refrigerant flow window , repair valve , High voltage protection switch.
      
   6. 
      Expansion system: The cryogenic system of capillary volume control.
      
2. 
   Electronic system (safety system):
   
   1. 
      2 sets of the flow power controller of the zero-zero brake fluid (each a group of temperature and humidity)
      
   2. 
      empty burning prevent switch:2 group
      
   3. 
      Lack of water prevent switch:1group
      
   4. 
      Compressor high pressure protection switch
      
   5. 
      compressor overheat protective switch
      
   6. 
      Compressor current protection switch
      
   7. 
      Fast fuse :2 piece
      
   8. 
      No fuse switch protection
      
   9. 
      Line fuse and full sheath type terminal
      
   10. 
       Water shortage alarm
       
3. 
   Air system
   
   1. 
      adopt the 90W extension of stainless steel turning point made in Taiwan.
      
   2. 
      Multi-wing stainless steel beads accelerate the heat and moisture cycle.
      
4. 
   Heating system: flake style stainless steel electric heated tube
   
5. 
   Humidity system: EL style stainless steel humidifying tumb.
   
6. 
   Temperature measuring system: adopt 2 piece stainless steel SUR304Pt100 The wet ball ratio is measured by A/D conversion temperature measurement.
   
7. 
   Waterway system:
   
   1. 
      The interior type stainless steel cistern :20L 1 piece
      
   2. 
      Automatic water supply equipement (draw water from lower layer to upper )
      
   3. 
      Water shortage indication alarm.
      
8. 
   Control system:
   

Control system adopt the P.I.D controller, temperature and humidity control at the same time

1. 
   specification of controller:
   

precision: temperature±1.0℃+1digit,humidity±2﹪RH+1digit

• 
  With upper and lower limit standby and alarm function
  
• 
  Temperature and humidity input signal selectionPT100×2(Dry ball and wet bulb)
  
• 
  Temperature and humidity change force:4-20MA
  
• 
  P.I.D auto computing
  
• 
  Dry and wet ball automatic correction
  

1. 
   Control function:
   

• 
  reservation startup and shutdown function
  
• 
  date and time adjustment function
  

1. 
   material of box body
   

• 
  inner box material:SUS#304 mirror-like stainless steel plate
  
• 
  outer box material: Steel plate stoving varnish
  
• 
  Heat preservation material :PV Rigid foam+ Glass wool
  

3.