Tube

EL803S

 

- TESTED --




TESTED on instrument P-508
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Conditions test:


U_f  = 6,3V,
U_a  = 200V,
 U_g2 = 200V 
U_g1 = -3,5V,  


nominal emission Ia= 36mA




Results of measurements on label tube

actual picture - item being sold - is presented on plotting [mm] paper 

one small grating on paper = 1 millimeter

pictures show the current and real state of sold item
exactly in this state will be sent in a shipment

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I always made good box to delivery
 Items will be shipped from Poland via international registered mail
within 2-3 business days after payment is received and verified

I always try to combine delivery to the same ebuyer
after shopping ask me only about cost all items you bought in one box