Offer for sale Military Russian
precision tubetester L3-3 (Л3-3)
Tubetester fully operational. Metal
body has a scratches (look at
Dimensions (WHD) 510 x 312 x
225 mm / 20.1 x 12.3 x 8.9 inch
Power: 115V/400Hz or 127,220V/50Hz.
This is one of the best tube
It is capable of testing in ranges
Ua 5-300V stabil.,
Ug2 10-300V stabil.,
Ug1 -0,5 to -100V in two ranges,
leak current resolution 2µA,
Rk 0-600 ohm in 15 ranges,
Ck 0-10-100 µF,
Uf 1-14V fine reg., 1,2A,
Uf 2,5-7V in 5 steps 3A max,
Uf 10 and 13V, 1,7A max plus 15V,
All Uf voltages AC or DC.
S (Gm) is measured in 7 ranges from
Ia is measured from 1,5 to 150mA in
Test signal is 1400 Hz, filter to
Internal calibration circuits for
easy and extremely accurate
calibration of S(mA/V) and Leak
Symmetrical ac voltage up to 2x500V
available for testing rectifiers
Net weight 21 kg / 48 lb
Complete set includes:
Lot of 300 cards copies.
Spare tubes for repair.
PAY PAL or Money order
Thanks for looking