Digital vacuum tube tester, Duokit 2
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This is a new version of the tube tester that we're selling, they have the same function, but this new tester also can test the diodes and valves.
Click to download the documentation of the tester
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)