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Parameter Function Description

• PTZL series direct cooling low-temperature refrigeration machine
  
• Double compressor cascade water cooling
  
• Taikang fully enclosed piston compressor (1.5 horsepower * 2 units)
  
• External customer cold plate
  
• First level R404A, second level R23
  
• 7-inch touch screen with Chinese display, easy to operate and intuitive display, capable of displaying and recording temperature curves and test data
  
• -80~0℃
  
• Internally equipped with a cooling module, the maximum allowable cold plate temperature is 200 ℃, and the compressor can be directly turned on for cooling.
  
• ±0.5℃
  
• The surface temperature of the customer's cold plate (temperature feedback signal required) can also be controlled by controlling the evaporation temperature.
  
• 0.01℃
  
• 0.1kpa
  
• MODBUS RTU protocol RS 485 interface
  
• External temperature sensor port and USB data interface
  
• During the execution of the experiment, real-time graphical curves can be displayed to display the content; Set the actual temperature value, execute the program cycle, and have the function of skipping files and maintaining during program execution.
  
• water-cooling
  
• Water temperature: -5~30 ℃, water pressure: 2~4.5bar, flow rate: 1m 3/h
  
• Φ10， Screw connection (SAE)
  
• 48 dB(A)
  
• 5 ... 40?°C
  
• Having self diagnostic function; Multiple alarm protection functions: leakage protection, compressor overheating, refrigeration system pressure too high, refrigeration system pressure too low, sensor failure, etc
  
• External electrical control cabinet, touch screen installed on the electrical control cabinet