Most excellent! That amplifier is likely a gel electrophoresis PSU; range 300-3000VDC, I got one off such a sale, $10, its sold new for $5,000, I use it for kV generation. The glass plates with electrodes on them are the gel plates. Basically think of clean jello rectangle; like electroplating put one electrode on each end; put 1 drop of test sample on end of the plate, subject it to 300VDC or more, the molecules will migrate to each electrode depending on its size and final charge, small migrating faster than big, so now you've separated a mix of molecules. The time for the test is arbitrary, you simple want to separate the mixture into its components; higher voltage, faster the migration, but potentially less discrimination between similar size molecules. To find the molecules, you drop a dye on the jello that changes color if a particularly molecule is there. To extract it, cut it out of the jello and dissolve it in a solvent.
Now as to the AWG, I'm clueless too.
Bioresearch labs are great for surplus gear. Once the grant cycle is over, all the equipment is trashed. When a grant is funded, they request money to buy all new gear, because they have no time to repair gear as time is of the essence, so they buy entirely new labs 90% of the time. Commercial labs aren't as frivolous.
100$ is what i paid for it...
I dont' know. It was in the pile labeled 'electrophoresis lab'. There was some other stuff in that pile as well. a high voltage amplifier ( 0..300 volt , 0..10mA ) and some other weird things. Glass plates with electrodes glued to them . Didnt want to rummage through it. who knows what chemicals it had been in contact with. i grabbed this thing , paid my 100$ and got the hell out of there.. ( just in case someone would get second thoughts about the price ).
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