After my valve amp I decide to build a valve tester no doubt this type of thread as been posted many times. i wanted to build a tester that used standard components and was not the size of a suitcase so here it is
Spec
Anode 10-300V DC 100 ma limited
Screen 10-300V DC 30 ma limited
Heater supply 1.2- 22v DC 1.5A
Grid supply 0 / -30V
Anode currant measurement range 10 - 50 - 100 Ma meter
ma/v 0-20 or 0-5
Heater continuity LED
Heater Cathode insulation LED
Leak Short LED
Gas test push button
Patch panel to set valve base connections
home made case
i will not say i designed this tester just put it together after studying other tester (RAT , Sussex , AVO etc)
Spec
Anode 10-300V DC 100 ma limited
Screen 10-300V DC 30 ma limited
Heater supply 1.2- 22v DC 1.5A
Grid supply 0 / -30V
Anode currant measurement range 10 - 50 - 100 Ma meter
ma/v 0-20 or 0-5
Heater continuity LED
Heater Cathode insulation LED
Leak Short LED
Gas test push button
Patch panel to set valve base connections
home made case
i will not say i designed this tester just put it together after studying other tester (RAT , Sussex , AVO etc)