Simpson 250 Multimeter (CB1401E )

   This was a very popular instrument in the workshops of the 60s and 70s. It was a "top of the line" for technicians who did repairs and electronic installations. If you have found one in a scrap with some kind of problem you will need your diagram for reference, trying to verify the possibility of recovery. The complex diagram of this multimeter is given below, remembering that the components are precision types.


Circuit Bench