Re: [volt-nuts] 3457A battery replacement at Keysight - not as cheap as I thought it would be!

2018-05-24 Thread Laurence Motteram
Hello Dave, Farnell UK have these; http://uk.farnell.com/w/c/batteries-chargers/batteries-non-rechargeable?battery-size-code=2-3aa Best Regards, Laurence Motteram Calibration & Service Manager Scientific Devices Australia Ph: +61 (0)3 9569 1366 M: +61 (0)425 765 019 www.scient

Re: [volt-nuts] Yet another sub-nanosecond pulse generator thread

2016-04-12 Thread Laurence Motteram
Maybe look at the SRD1 from Stanford Research Systems? See http://www.thinksrs.com/products/DG645.htm If you need the whole generator, maybe the SG382 with the optional rear panel clock outputs http://www.thinksrs.com/products/SG380.htm Best Regards, Laurence Motteram Calibration & Ser

Re: [volt-nuts] Differential amplifier >=1Mhz

2015-11-23 Thread Laurence Motteram
Stanford Research Systems have the SR560 stand-alone and the SIM910 and SIM911 amplifiers. The SIM modules can be used without the mainframe. Good gear, but possibly outside of budget as new. Best Regards, Laurence Motteram Calibration & Service Manager Scientific Devices Australia Ph:

Re: [volt-nuts] Datron 1281

2015-01-20 Thread Laurence Motteram
I would just check that all of the DCV ranges were reasonably accurate (50ppm???) and were linear at e.g. 0V, +/- 0.5V, 1V, 1.5V, 1.9V. Best Regards, Laurence Motteram -Original Message- From: volt-nuts [mailto:volt-nuts-boun...@febo.com] On Behalf Of MailLists Sent: Tuesday, 20

Re: [volt-nuts] Datron 1281

2015-01-19 Thread Laurence Motteram
than simple drift. Best Regards, Laurence Motteram -Original Message- From: volt-nuts [mailto:volt-nuts-boun...@febo.com] On Behalf Of MailLists Sent: Tuesday, 20 January 2015 6:53 AM To: volt-nuts@febo.com Subject: [volt-nuts] Datron 1281 Dear all, got one of the (in)famous subj

Re: [volt-nuts] What's All This Low Thermal EMF Test Lead Stuff?

2014-08-19 Thread Laurence Motteram
Keithley offer a Low Level Measurements Handbook that may be of interest. Go to www.keithley.com, Knowledge Centre. The digital book is a free download (requires registration). You may be able to get a paperback copy from your local Keithley rep just for the asking. Regards, Laurence

Re: [volt-nuts] Precision resistors

2013-08-18 Thread Laurence Motteram
to several interrelated compromises. Laurence Motteram From: volt-nuts-boun...@febo.com [volt-nuts-boun...@febo.com] on behalf of Joseph Gray [jg...@zianet.com] Sent: Sunday, 18 August 2013 2:47 PM To: Discussion of precise voltage measurement Subject

Re: [volt-nuts] Datron 4000 DC/I/R Standard

2012-12-18 Thread Laurence Motteram
I have seen a few Datron units with flickering or unstable displays that came up perfect when the display power supply electrolytic was replaced. Regards, Laurence Motteram -Original Message- From: volt-nuts-boun...@febo.com [mailto:volt-nuts-boun...@febo.com] On Behalf Of ed breya

Re: [volt-nuts] HP 3458A DC current accuracy

2012-07-10 Thread Laurence Motteram
, Laurence Motteram -Original Message- From: volt-nuts-boun...@febo.com [mailto:volt-nuts-boun...@febo.com] On Behalf Of Tony Holt Sent: Wednesday, 11 July 2012 8:09 AM To: volt-nuts@febo.com Subject: Re: [volt-nuts] HP 3458A DC current accuracy Frank, Thanks for taking to trouble to respond. Its