package Keithley2000 @ISA = qw() sub BEGIN sub new my ($module, $interface, $devname) = @_; return $this; sub DESTROY my $this = shift; sub Initialize my ($this) = @_; sub Finish my ($this) = @_; sub SetDCCurrentMode my ($this, $ZeroCheck) = @_; sub Measure my ($this) = @_; return $ValueStr; sub MeasureAveraged my ($this, $nAverage) = @_; return $avrI / $nAverage; sub SetSourceVoltage my ($this, $V) = @_;