Digital vacuum tube tester, Duokit V2.1
The maximum plate voltage of this tube tester reaches 500v for a current of 340mA. This tester can test the diodes and valves easily.
VACUUM TUBE TESTER KIT LIST:
1x main board
1x LCD display
1x 0-115-230v 10VA transformer
1x AC-DC 9V 1A power supply ( with 90-265VAC input)
1 set wires (with potentiometer and switch)