[volt-nuts] Anyone got a photo of a 3458A with "new volt" printed on it?

. I'd like to try to research this, and perhaps give a talk at our radio club on it. I'd like to get a picture of a 3458A with such a sticker if I could. Dave Dr. David Kirkby Ph.D CEng MIET Kirkby Microwave Ltd Registered office: Stokes Hall Lodge, Burnham Rd, Althorne, Essex, CM3 6DT, UK.

Re: [volt-nuts] Best way to measure micro Ohms

On 18 September 2017 at 18:36, Todd Micallef wrote: > Dave, > > Another meter is the Cambridge LOM-510A. I am not sure if it is in your > budget but there has been a review made on EEVBlog. There is one currently > on eBay with a current amplifier that I have never seen

Re: [volt-nuts] Best way to measure micro Ohms

On 18 September 2017 at 23:28, george wrote: > The reason that DC is used commercially to measure resistance is simple, > if you use AC you may well get the reactive component as well as the > resistance coming into play. > That may not be an an issue with a dual-phase

[volt-nuts] Power consumption of 3458A reference board / fitting one in a 3457A

I've got two different, but not totally unrelated questions. 1) Does anyone know what is the power consumption of the 3458A reference board? I was thinking of getting one, boxing it up with a battery, that allowed it to keep running without mains power. I would like to know the energy storage the

[volt-nuts] Best way to measure micro Ohms

t using AC was a no-brainer no very low resistance measurements, but commercial instruments don't use to use AC. Dr. David Kirkby Ph.D CEng MIET Kirkby Microwave Ltd drkir...@kirkbymicrowave.co.uk http://www.kirkbymicrowave.co.uk/ Tel: 01621-680100 / +44 1621-680100 (0900 to 2100 UK time) Registe

Re: [volt-nuts] Best way to measure micro Ohms

On 17 September 2017 at 20:12, wrote: > The question is what accuracy you need. > No a lot. I just want to find out if there's any voltage drops that are significantly higher than I would expect. The unit makes an RF transmission line, and the loss at RF is significantly higher

Re: [volt-nuts] Best way to measure micro Ohms

On 17 September 2017 at 21:58, Mitch Van Ochten < mi...@vincentelectronics.com> wrote: > The Keithley 2002 uses DC but automatically takes a reading of any offset > voltage and subtracts it (offset compensation). Rated accuracy on the 20 > ohm range (2 years) is +/- 26 ppm, and with 10 averages

Re: [volt-nuts] Power consumption of 3458A reference board / fitting one in a 3457A

On 23 September 2017 at 18:03, Tom Knox wrote: > If you want I will send you a few to play with for a few months. > Thank you very much. I'd like to have a play. I sent you a private email. Someone suggested using the DCV:DCV ratio mode to look at two references, but I

[volt-nuts] Solartron (aka Schlumberger) 7081

t was last calibrated, but I suspect long ago. Dr. David Kirkby Ph.D CEng MIET Kirkby Microwave Ltd drkir...@kirkbymicrowave.co.uk http://www.kirkbymicrowave.co.uk/ Tel: 01621-680100 <01621%20680100> / +44 1621-680100 <01621%20680100> (0900 to 2100 UK time) Registered office: Stokes

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