axolotl wrote:
Joe wrote:

I picked up 5 Beckman Industrial Series 7200 temperature controllers
on ebay a while a go for $10

Only problem is..no manuals to be found.

Doric Instruments bought Beckman's line of controllers.

http://www.doric-vas.com/products.htm#temperature

You might send them a note.

HaHa, it looks like their products haven't been changed in decades so
getting a manual should be easy.