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Discussion of precise voltage measurement

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First post

DM
Dick Moore
Wed, Jan 20, 2010 9:19 PM

Hi all. This is my first post to volt-nuts. Glad to find this list; got here from time-nuts. My little lab (on the western shore of Puget Sound) has a couple of Fluke 732A DC Refs, an HP 3458A (no options), a Datron 1082 DMM, a Fluke 5440B Direct Volts Calibrator, a couple of Fluke 510A AC Standards (400Hz and 40kHz), and a variety of resistance standards, other bridges, meters, etc.

I hope to make time to dig around in the archives. For now, I'm interested in any experience you all have with the long-term drift of the Fluke/Motorola reference modules used in the 732s, the 5440 and the 510s (as well as the 850x series of meters). I'm also wondering about the stability of the 510s in particular, which seem very drift prone and highly temperature sensitive -- comments and any practical mods welcome. Has anyone subbed in an LTZ1000A in any of these units?

I hope to begin using a Prologix USB>GPIB converter, yet to be purchased, for data gathering and control, via Ulrich's EasyGPIB

Best,
Dick Moore

Hi all. This is my first post to volt-nuts. Glad to find this list; got here from time-nuts. My little lab (on the western shore of Puget Sound) has a couple of Fluke 732A DC Refs, an HP 3458A (no options), a Datron 1082 DMM, a Fluke 5440B Direct Volts Calibrator, a couple of Fluke 510A AC Standards (400Hz and 40kHz), and a variety of resistance standards, other bridges, meters, etc. I hope to make time to dig around in the archives. For now, I'm interested in any experience you all have with the long-term drift of the Fluke/Motorola reference modules used in the 732s, the 5440 and the 510s (as well as the 850x series of meters). I'm also wondering about the stability of the 510s in particular, which seem very drift prone and highly temperature sensitive -- comments and any practical mods welcome. Has anyone subbed in an LTZ1000A in any of these units? I hope to begin using a Prologix USB>GPIB converter, yet to be purchased, for data gathering and control, via Ulrich's EasyGPIB Best, Dick Moore
W
WB6BNQ
Wed, Jan 20, 2010 9:50 PM

Hi Dick,

Out of curiousity how are you determining that the 510's are drifty ?

Bill....WB6BNQ

Dick Moore wrote:

Hi all. This is my first post to volt-nuts. Glad to find this list; got here from time-nuts. My little lab (on the western shore of Puget Sound) has a couple of Fluke 732A DC Refs, an HP 3458A (no options), a Datron 1082 DMM, a Fluke 5440B Direct Volts Calibrator, a couple of Fluke 510A AC Standards (400Hz and 40kHz), and a variety of resistance standards, other bridges, meters, etc.

I hope to make time to dig around in the archives. For now, I'm interested in any experience you all have with the long-term drift of the Fluke/Motorola reference modules used in the 732s, the 5440 and the 510s (as well as the 850x series of meters). I'm also wondering about the stability of the 510s in particular, which seem very drift prone and highly temperature sensitive -- comments and any practical mods welcome. Has anyone subbed in an LTZ1000A in any of these units?

I hope to begin using a Prologix USB>GPIB converter, yet to be purchased, for data gathering and control, via Ulrich's EasyGPIB

Best,
Dick Moore


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Hi Dick, Out of curiousity how are you determining that the 510's are drifty ? Bill....WB6BNQ Dick Moore wrote: > Hi all. This is my first post to volt-nuts. Glad to find this list; got here from time-nuts. My little lab (on the western shore of Puget Sound) has a couple of Fluke 732A DC Refs, an HP 3458A (no options), a Datron 1082 DMM, a Fluke 5440B Direct Volts Calibrator, a couple of Fluke 510A AC Standards (400Hz and 40kHz), and a variety of resistance standards, other bridges, meters, etc. > > I hope to make time to dig around in the archives. For now, I'm interested in any experience you all have with the long-term drift of the Fluke/Motorola reference modules used in the 732s, the 5440 and the 510s (as well as the 850x series of meters). I'm also wondering about the stability of the 510s in particular, which seem very drift prone and highly temperature sensitive -- comments and any practical mods welcome. Has anyone subbed in an LTZ1000A in any of these units? > > I hope to begin using a Prologix USB>GPIB converter, yet to be purchased, for data gathering and control, via Ulrich's EasyGPIB > > Best, > Dick Moore > _______________________________________________ > volt-nuts mailing list -- volt-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > and follow the instructions there.
UB
Ulrich Bangert
Thu, Jan 21, 2010 8:36 AM

Dick,

I hope to begin using a Prologix USB>GPIB converter, yet to
be purchased, for data gathering and control, via Ulrich's EasyGPIB

Should you need any assistance, don't hesitate to contact me directly!

Best regards
Ulrich

-----Ursprungliche Nachricht-----
Von: volt-nuts-bounces@febo.com
[mailto:volt-nuts-bounces@febo.com] Im Auftrag von Dick Moore
Gesendet: Mittwoch, 20. Januar 2010 22:19
An: volt-nuts@febo.com
Betreff: [volt-nuts] First post

Hi all. This is my first post to volt-nuts. Glad to find this
list; got here from time-nuts. My little lab (on the western
shore of Puget Sound) has a couple of Fluke 732A DC Refs, an
HP 3458A (no options), a Datron 1082 DMM, a Fluke 5440B
Direct Volts Calibrator, a couple of Fluke 510A AC Standards
(400Hz and 40kHz), and a variety of resistance standards,
other bridges, meters, etc.

I hope to make time to dig around in the archives. For now,
I'm interested in any experience you all have with the
long-term drift of the Fluke/Motorola reference modules used
in the 732s, the 5440 and the 510s (as well as the 850x
series of meters). I'm also wondering about the stability of
the 510s in particular, which seem very drift prone and
highly temperature sensitive -- comments and any practical
mods welcome. Has anyone subbed in an LTZ1000A in any of these units?

I hope to begin using a Prologix USB>GPIB converter, yet to
be purchased, for data gathering and control, via Ulrich's EasyGPIB

Best,
Dick Moore


volt-nuts mailing list -- volt-nuts@febo.com
To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts
and follow the instructions there.

Dick, > I hope to begin using a Prologix USB>GPIB converter, yet to > be purchased, for data gathering and control, via Ulrich's EasyGPIB Should you need any assistance, don't hesitate to contact me directly! Best regards Ulrich > -----Ursprungliche Nachricht----- > Von: volt-nuts-bounces@febo.com > [mailto:volt-nuts-bounces@febo.com] Im Auftrag von Dick Moore > Gesendet: Mittwoch, 20. Januar 2010 22:19 > An: volt-nuts@febo.com > Betreff: [volt-nuts] First post > > > Hi all. This is my first post to volt-nuts. Glad to find this > list; got here from time-nuts. My little lab (on the western > shore of Puget Sound) has a couple of Fluke 732A DC Refs, an > HP 3458A (no options), a Datron 1082 DMM, a Fluke 5440B > Direct Volts Calibrator, a couple of Fluke 510A AC Standards > (400Hz and 40kHz), and a variety of resistance standards, > other bridges, meters, etc. > > I hope to make time to dig around in the archives. For now, > I'm interested in any experience you all have with the > long-term drift of the Fluke/Motorola reference modules used > in the 732s, the 5440 and the 510s (as well as the 850x > series of meters). I'm also wondering about the stability of > the 510s in particular, which seem very drift prone and > highly temperature sensitive -- comments and any practical > mods welcome. Has anyone subbed in an LTZ1000A in any of these units? > > I hope to begin using a Prologix USB>GPIB converter, yet to > be purchased, for data gathering and control, via Ulrich's EasyGPIB > > Best, > Dick Moore > _______________________________________________ > volt-nuts mailing list -- volt-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > and follow the instructions there.