seen from Nigeria
seen from China
seen from Germany
seen from Thailand
seen from United Kingdom
seen from United States
seen from Thailand
seen from Italy
seen from United States
seen from France
seen from Italy
seen from France
seen from Italy
seen from United Kingdom
seen from Brazil
seen from United States
seen from United States
seen from Israel
seen from Canada
seen from United States
#40 - EDC 520A DC calibrator repair and adjustment
This unit had a blown output stage. After repairing the output amplifier it became apparent that the unit is way out of spec. The adjustment procedure was done, which seemed to bring the instrument back to proper operation. Manual with schematics: http://exodus.poly.edu/~kurt/manuals/manuals/Other/EDC%20521%20Operator.pdf Discussion: http://www.eevblog.com/forum/metrology/edc-520a-repair/
Searching to portable voltage electronic calibrator? techniCAL Systems 2002 Inc. offer high quality IVC222HPII Portable Voltage / current calibrator within budget.
