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Vacuum tube tester Tesla BM215

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Vacuum tube tester Tesla BM215 is well know testing device used in supply shops in socialistic Czechoslovakia. For further reading you can visit pages http://www.oldradio.cz/meraky/bm215.htm .

Photogallery of my device during cleaning process and first mesaurment:

Look at top of the device without back cover

Device with apropriate mesaurment card and interconncected selectors

Front look at device during preparation for mesaurment of selected vacuum tube

Tesla BM215 - look at transport state

Package of mesaurment card fore wide spectrum of vacuum tubes

Front look at mesaurment device

Shassis look

Tested vacuum tube

Working device inside

Shassis look

Opened front shiled

List of mesaurment cards is available from link http://www.oldradio.cz/meraky/bm215/karty001.htm . For new or some exotic types of vacuum tubes can be used online generator of mesaurment cards http://sroll.net/ok1srd/technika/bm215/.

Next video show mesaurment device in partialy disasembled state.