NAME

Lab::Instrument::HP34970A - HP/Agilent 34970A Data Acquisition Switch Unit

SYNOPSIS

DESCRIPTION

CONSTRUCTOR

    my $hp=new(\%options);

METHODS

read_voltage_dc

    $datum=$hp->read_voltage_dc($range,$resolution,@scan_list);

Preset and make a dc voltage measurement with the specified range and resolution.

$range

Range is given in terms of volts and can be [0.1|1|10|100|1000|MIN|MAX|DEF]. DEF is default.

$resolution

Resolution is given in terms of $range or [MIN|MAX|DEF]. $resolution=0.0001 means 4 1/2 digits for example. The best resolution is 100nV: $range=0.1; $resolution=0.000001.

@scan_list

A list of channels to scan. See the instrument manual.

conf_monitor

    $hp->conf_monitor(@channels);

read_monitor

    @channels=$hp->read_monitor();

display_on

    $hp->display_on();

Turn the front-panel display on.

display_off

    $hp->display_off();

Turn the front-panel display off.

display_text

    $hp->display_text($text);
    print $hp->display_text();

Display a message on the front panel. The multimeter will display up to 12 characters in a message; any additional characters are truncated. Without parameter the displayed message is returned.

display_clear

    $hp->display_clear();

Clear the message displayed on the front panel.

beep

    $hp->beep();

Issue a single beep immediately.

get_error

    ($err_num,$err_msg)=$hp->get_error();

Query the multimeter's error queue. Up to 20 errors can be stored in the queue. Errors are retrieved in first-in-first out (FIFO) order.

reset

    $hp->reset();

Reset the multimeter to its power-on configuration.

scroll_message

    $hp->scroll_message();

CAVEATS/BUGS

probably many

SEE ALSO

Lab::Instrument

AUTHOR/COPYRIGHT

This is $Id: HP34970A.pm 650 2010-04-22 19:09:27Z schroeer $

Copyright 2004-2010 Daniel Schröer (<schroeer@cpan.org>)

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

cpanm Lab::Instrument

perl -MCPAN -e shell
install Lab::Instrument