Welcome
Username or Email:

Password:


Missing Code




[ ]
[ ]
Online
  • Guests: 17
  • Members: 0
  • Newest Member: omjtest
  • Most ever online: 396
    Guests: 396, Members: 0 on 12 Jan : 12:51
Members Birthdays:
All today's birthdays', congrats!
ramses (16)
Arcstarter (31)
Zak (15)


Next birthdays
05/11 ramses (16)
05/11 Arcstarter (31)
05/11 Zak (15)
Contact
If you need assistance, please send an email to forum at 4hv dot org. To ensure your email is not marked as spam, please include the phrase "4hv help" in the subject line. You can also find assistance via IRC, at irc.shadowworld.net, room #hvcomm.
Support 4hv.org!
Donate:
4hv.org is hosted on a dedicated server. Unfortunately, this server costs and we rely on the help of site members to keep 4hv.org running. Please consider donating. We will place your name on the thanks list and you'll be helping to keep 4hv.org alive and free for everyone. Members whose names appear in red bold have donated recently. Green bold denotes those who have recently donated to keep the server carbon neutral.


Special Thanks To:
  • Aaron Holmes
  • Aaron Wheeler
  • Adam Horden
  • Alan Scrimgeour
  • Andre
  • Andrew Haynes
  • Anonymous000
  • asabase
  • Austin Weil
  • barney
  • Barry
  • Bert Hickman
  • Bill Kukowski
  • Blitzorn
  • Brandon Paradelas
  • Bruce Bowling
  • BubeeMike
  • Byong Park
  • Cesiumsponge
  • Chris F.
  • Chris Hooper
  • Corey Worthington
  • Derek Woodroffe
  • Dalus
  • Dan Strother
  • Daniel Davis
  • Daniel Uhrenholt
  • datasheetarchive
  • Dave Billington
  • Dave Marshall
  • David F.
  • Dennis Rogers
  • drelectrix
  • Dr. John Gudenas
  • Dr. Spark
  • E.TexasTesla
  • eastvoltresearch
  • Eirik Taylor
  • Erik Dyakov
  • Erlend^SE
  • Finn Hammer
  • Firebug24k
  • GalliumMan
  • Gary Peterson
  • George Slade
  • GhostNull
  • Gordon Mcknight
  • Graham Armitage
  • Grant
  • GreySoul
  • Henry H
  • IamSmooth
  • In memory of Leo Powning
  • Jacob Cash
  • James Howells
  • James Pawson
  • Jeff Greenfield
  • Jeff Thomas
  • Jesse Frost
  • Jim Mitchell
  • jlr134
  • Joe Mastroianni
  • John Forcina
  • John Oberg
  • John Willcutt
  • Jon Newcomb
  • klugesmith
  • Leslie Wright
  • Lutz Hoffman
  • Mads Barnkob
  • Martin King
  • Mats Karlsson
  • Matt Gibson
  • Matthew Guidry
  • mbd
  • Michael D'Angelo
  • Mikkel
  • mileswaldron
  • mister_rf
  • Neil Foster
  • Nick de Smith
  • Nick Soroka
  • nicklenorp
  • Nik
  • Norman Stanley
  • Patrick Coleman
  • Paul Brodie
  • Paul Jordan
  • Paul Montgomery
  • Ped
  • Peter Krogen
  • Peter Terren
  • PhilGood
  • Richard Feldman
  • Robert Bush
  • Royce Bailey
  • Scott Fusare
  • Scott Newman
  • smiffy
  • Stella
  • Steven Busic
  • Steve Conner
  • Steve Jones
  • Steve Ward
  • Sulaiman
  • Thomas Coyle
  • Thomas A. Wallace
  • Thomas W
  • Timo
  • Torch
  • Ulf Jonsson
  • vasil
  • Vaxian
  • vladi mazzilli
  • wastehl
  • Weston
  • William Kim
  • William N.
  • William Stehl
  • Wesley Venis
The aforementioned have contributed financially to the continuing triumph of 4hv.org. They are deserving of my most heartfelt thanks.
Forums
4hv.org :: Forums :: High Voltage
« Previous topic | Next topic »   

HV differential probe question

1 2 
Move Thread LAN_403
MRMILSTAR
Fri Aug 03 2018, 08:39PM Print
MRMILSTAR Registered Member #62119 Joined: Sun Feb 04 2018, 04:59AM
Location: Cedar Rapids, Iowa
Posts: 136
I am considering buying a MICSIG DP20003 high voltage differential probe. I have a question about the spec sheet. The spec for "maximum differential test voltage DC+AC PK-PK" is stated as 5600 volts using the 2000x divider. I have some confusion about what this means. Does this mean that I can measure a sine wave with a peak voltage magnitude of 5600 volts (+ 5600 volts to - 5600 volts) or does it mean that the peak-to-peak swing can only be 5600 volts (+ 2800 volts to -2800 volts) meaning that the peak positive voltage would only be 2800 volts (5600/2)?
Back to top
Hazmatt_(The Underdog)
Fri Aug 03 2018, 10:40PM
Hazmatt_(The Underdog) Registered Member #135 Joined: Sat Feb 11 2006, 12:06AM
Location: Anywhere is fine
Posts: 1735
They're saying any combination not to exceed 5600V.

DC not to exceed 5600V + or -

AC voltage not to exceed 5600V peak to peak, or 4000V AC RMS

Or any combination of the two, or the internals will be overstressed, that is from terminal to terminal because its a differential measurement.

How much does one of those bad boys go for? And what's the bandwidth?
Back to top
MRMILSTAR
Sat Aug 04 2018, 03:44AM
MRMILSTAR Registered Member #62119 Joined: Sun Feb 04 2018, 04:59AM
Location: Cedar Rapids, Iowa
Posts: 136
About $225 on E-Bay. 100 MHz BW. Excellent user reviews on Amazon.
Back to top
MRMILSTAR
Sat Aug 04 2018, 03:51AM
MRMILSTAR Registered Member #62119 Joined: Sun Feb 04 2018, 04:59AM
Location: Cedar Rapids, Iowa
Posts: 136
Hazmatt_(The Underdog) wrote ...

They're saying any combination not to exceed 5600V.

DC not to exceed 5600V + or -

AC voltage not to exceed 5600V peak to peak, or 4000V AC RMS

Or any combination of the two, or the internals will be overstressed, that is from terminal to terminal because its a differential measurement.

How much does one of those bad boys go for? And what's the bandwidth?

I am confused about your peak-to-peak statement. 5600 volts peak-to-peak is only 2800 volts peak or 2000 volts RMS. How do you get 4000 volts RMS from 5600 volts peak-to-peak?
Back to top
Hazmatt_(The Underdog)
Sun Aug 05 2018, 03:52PM
Hazmatt_(The Underdog) Registered Member #135 Joined: Sat Feb 11 2006, 12:06AM
Location: Anywhere is fine
Posts: 1735
5600 V * .707 is approx 4000V


Sorry, you're right... I don't usually look at Vpk -Vpk measurements, I used the wrong formula.

for Vpk -Vpk its Vrms = 1/ (2 sqrt(2))( Vpk - Vpk) which is 2000V
Back to top
MRMILSTAR
Sun Aug 05 2018, 04:11PM
MRMILSTAR Registered Member #62119 Joined: Sun Feb 04 2018, 04:59AM
Location: Cedar Rapids, Iowa
Posts: 136
2800 x 0.7071 = 1979 volts. RMS is 0.7071 times the peak voltage, not the peak-to-peak voltage.

Take your wall outlet as an example. The voltage is stated as 120 volts RMS in the USA. The peak-to-peak voltage of wall power is 340 volts with a peak voltage of + 170 volts and -170 volts. 170 x 0.7071 = 120 volts.
Back to top
Patrick
Sun Aug 05 2018, 09:27PM
Patrick Registered Member #2431 Joined: Tue Oct 13 2009, 09:47PM
Location: Chico, CA. USA
Posts: 5639
That probe would have been helpful 7 years ago.
Back to top
Patrick
Sun Aug 12 2018, 05:00AM
Patrick Registered Member #2431 Joined: Tue Oct 13 2009, 09:47PM
Location: Chico, CA. USA
Posts: 5639
Are there any documents for this probe ? "Micsig 100MHz 5600V High Voltage Differential Probe" i only find a list of specs not real in-depth PDfs as would be expected for that active box it uses.
Back to top
MRMILSTAR
Tue Aug 14 2018, 03:56AM
MRMILSTAR Registered Member #62119 Joined: Sun Feb 04 2018, 04:59AM
Location: Cedar Rapids, Iowa
Posts: 136
Patrick wrote ...

Are there any documents for this probe ? "Micsig 100MHz 5600V High Voltage Differential Probe" i only find a list of specs not real in-depth PDfs as would be expected for that active box it uses.

The best I have found is a list of specs on MICSIG's web site.
Back to top
Patrick
Sun Aug 19 2018, 07:36PM
Patrick Registered Member #2431 Joined: Tue Oct 13 2009, 09:47PM
Location: Chico, CA. USA
Posts: 5639
i bought one the papers that come with it are pretty much the same.
Back to top
1 2 

Moderator(s): Chris Russell, Noelle, Alex, Tesladownunder, Dave Marshall, Dave Billington, Bjørn, Steve Conner, Wolfram, Kizmo, Mads Barnkob

Go to:

Powered by e107 Forum System
 
Legal Information
This site is powered by e107, which is released under the GNU GPL License. All work on this site, except where otherwise noted, is licensed under a Creative Commons Attribution-ShareAlike 2.5 License. By submitting any information to this site, you agree that anything submitted will be so licensed. Please read our Disclaimer and Policies page for information on your rights and responsibilities regarding this site.