Fluke 5502A calibrator

This calibrator is a refresh model of original 5500A with improved specs and most of the hardware reused from top of the line 5522A model. It was received working and passed initial quick checks. Since hardware in the family is mostly interchangeable it is helpful to use it for tests and comparisons during the repairs of next unit, 5520A.

Construction and mainframe

A5 board

TBD

A6 DDS/reference board

A7 Current board

A8 Voltage board

Fluke 5520A calibrator

This calibrator received faulty with bodged parts from one large reseller in US. Upon initial check it has failures on multiple boards.

A5 board

A6 DDS/reference board

A7 Current board

A8 Voltage board