They didn't expect the LTZ1000 (Patreon)

So the Schlumberger Solartron 7081 can only be calibrated via GPIB commands which neither me nor the Maker Faire stand had at hand, so we could only measure the voltage reference for now.

But one of the gentlemen from the  https://www.ptb.de recognized me, so maybe they would agree to a more personal video with a tour of their treasury etc ... they are in Brunswick, half an hour from me :)

Video tomorrow!