Digital vacuum tube tester, Duokit V3 without transformer and power
The maximum plate voltage of this tube tester reaches 500v for a current of 340mA. This tester can test the diodes and valves easily.
Click to download the documentation of the tester
VACUUM TUBE TESTER KIT LIST:
1x main board
1x LCD display
1 set wires (with potentiometer and switch)
