5100W cooling capacity.±0.5℃ precisely temperature control.2 modes of temperature, intelligent mode and manual. Applied to cool 200W CO2 laser tubes; Co2 metal laser tube, and CNC spindle, semiconductor laser, solid-state laser. Multiple alarm functions: compressor time-delay protection, compressor overcurrent protection, water flow alarm and over high / low temperature alarm. Multiple power specifications; CE approval; Long working life and simple operation; Optional heater and water filter. 2 Years maintenance.