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Fluke 732A DC Voltage Standard & low cost DIY attempt

IanScottJohnston transformer makeup https://www.youtube.com/watch?v=BgYZnbLIwc8
Enormously streamlined 732A Falstad sim https://tinyurl.com/yzcvd2pn
LTZ1000A Falstad sim https://tinyurl.com/yj8tvqjo
Has amazing things aside from feedthroughs https://twitter.com/GigaBecquerel
Alternate hermetic feedthrough pins: Tusonix/ CTS 4300
Mu steel canisters https://de.rs-online.com/web/p/audio-transformatoren/6675962/
0.2 ppm/ ° C VSMP resistors https://de.rs-online.com/web/c/passive-bauelemente/festwiderstande/smd-widerstande/?applied-dimensions=4294097052
R-Core transformer https://s.click.aliexpress.com/e/_Aq6SMY
Wavetek 7000 EEVblog online forum https://www.eevblog.com/forum/metrology/( 3300 )- wavetek-7000-the-hidden-gemstone/.
Schroff RatiopacPRO AIR https://schroff.nvent.com/en-de/products/enc24571-911.
LTZ1000 examinations with different ‘over’ resistors https://snapshot.raintank.io/dashboard/snapshot/y6f9BqnEAGTXXd3IyctaI4C8PiKgosUk.
A couple of days in the life of 732A https://snapshot.raintank.io/dashboard/snapshot/FdXwDqNPFZMvbtzDFIvHqIOubY1S2T4c.
Fluke 5700A cal check logs https://github.com/marcoreps/5700A/tree/master/logs.
LTZmu statistics w/ unbalanced batteries https://snapshot.raintank.io/dashboard/snapshot/DNbQoTWw6M4Rm1AbSv6CCZc9SKTMOZPW.
LTZmu task WIP https://github.com/marcoreps/LTZmu.

Flex or FR4, obtain your innovative PCBs from https://www.pcbway.com/setinvite.aspx?inviteid=65003
5% off Brymen & Siglent w/ voucher ‘marcoreps5’ https://www.welectron.com/
Miniware LCR tweezers https://www.banggood.com/custlink/vDvho1IbtN
Thermal imager https://www.banggood.com/custlink/KvmyouSNJT
Stereo microscopic lense https://www.banggood.com/custlink/KmGRl79QFJ
Special video clips often on https://www.patreon.com/marcoreps

00:00 Intro.
02:01 Fluke 732A.
02:55 732A battery.
04:35 732A safeguarding.
06:00 732A pre-regulator.
07:32 732A ref setting up.
09:11 732A thermals.
10:42 732A ‘solutions’.
12:06 732A heating system circuit.
12:42 732A ref circuit.
14:31 LTZmu 10V criterion.
15:33 LTZmu-metal containers.
16:08 LTZmu SMD resistors.
17:00 LTZmu flex PCBs.
18:49 LTZmu setting up.
20:23 LTZmu ideas.
23:20 LTZmu environments.
26:46 LTZmu circuit.
27:48 Wavetek 7000.
32:16 732A outcomes.
34:07 LTZmu no outcomes.