Model: PCF-175 ==> 1.75" dia. power cooler

Fits the following types:
Svetlana Winged "C" 6550C, Ei-KT90A/B/C, etc.


 

 

 

Working Clearances

 


 
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Convective Cooling - Normal Operation

         
         
Equipment: Test rig   Power - Fil: 10 W
Serial No: N/A   Power - Anode: 45 W
Tube type: 6550C Winged "C"   Power - Total: 55 W
Mfg. by: Svetlana   Cooler type: PCF-175 power
Bulb dia: 1.25"   Cooler height: 2.62"
Bulb area:: 15.0 sq. in.   Cooler area: 114 sq. in.
         
Notes:        
NO DATA AT PRESENT
 
 


Forced Air, Fan Cooling - Custom Operation

         
         
Equipment: Test rig   Power - Fil: 10 W
Serial No: N/A   Power - Anode: 45 W
Tube type: 6550C Winged "C"   Power - Total: 55 W
Mfg. by: Svetlana   Cooler type: PCF-175 power
Bulb dia: 1.75"   Cooler height: 2.62"
Bulb area:: 15.0 sq. in.   Cooler area: 114 sq. in.
         
Notes:        
NO DATA AT PRESENT

PEARL SC150 cooling system test rig. Air flow = 50 ft/min.
through 2.5" ID clear acrylic plastc chimney.
 
   
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