067-0543-99: Difference between revisions

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The '''Tektronix 067-0543-9'''' is an instrument for measuring DC voltages from from a few millivolts to 11 kilovolts.
The '''Tektronix 067-0543-99''' is an instrument for measuring DC voltages from from a few millivolts to 11 kilovolts.
It uses a precision voltage divider and an [[Airpax A175]] chopper to compare the input voltage with a  
It uses a precision voltage divider and an [[Airpax A175]] chopper to compare the input voltage with a  
reference.   
reference.