ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
Shout Box
Recent Posts
Light activation in closet by a broken connection?
by geoff in UK. 02/19/19 01:35 PM
AFDD's coming to the UK
by Texas_Ranger. 02/18/19 02:04 PM
Israel
by Texas_Ranger. 02/18/19 02:01 PM
250.104
by gfretwell. 02/16/19 01:08 PM
New in the Gallery:
What is this for?
Plug terminals
Who's Online Now
0 registered members (), 9 guests, and 10 spiders.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
Sperry multimeter non true rms #161732
04/07/07 05:55 AM
04/07/07 05:55 AM
F
Frank Cinker  Offline OP
Member
Joined: Jul 2001
Posts: 311
Pennsylvania
I just purchased a nice little Sperry DSA-500 multimeter at Home Depot for $49.00. It seems to work just fine. However, it is not a true rms multimeter. Will it still measure voltage accurately?

Work Gear for Electricians and the Trades
Re: Sperry multimeter non true rms [Re: Frank Cinker] #161790
04/07/07 07:16 PM
04/07/07 07:16 PM
Trumpy  Offline

Member
Joined: Jul 2002
Posts: 8,260
SI,New Zealand
Depends on what sort of accuracy you require.
Any non-TrueRMS meter will test the Average voltage (as in 63.7% of the peak voltage) as opposed to 70.7% (RMS).

Re: Sperry multimeter non true rms [Re: Trumpy] #161838
04/08/07 05:31 AM
04/08/07 05:31 AM
F
Frank Cinker  Offline OP
Member
Joined: Jul 2001
Posts: 311
Pennsylvania
I just need it to test voltage drop at the outlet, neutral-ground voltage etc.

Re: Sperry multimeter non true rms [Re: Frank Cinker] #161840
04/08/07 05:40 AM
04/08/07 05:40 AM
Trumpy  Offline

Member
Joined: Jul 2002
Posts: 8,260
SI,New Zealand
By rights, there should be no voltage between these conductors.
I could be wrong too.
Frank,
A T-RMS meter is only of value to those that measure voltages with lots of harmonics on the supply.
The average electrician doesn't need to worry , I have one, but I wouldn't recommend every guy runs out and gets one.
My Fluke 80 does just as gooder job and why spend good cash when you don't have to?.

Last edited by Trumpy; 04/08/07 05:49 AM.

Featured:

2017 Master Electrician Exam Preparation Combos
2017 NEC Electrician
Exam Prep Combos:
Master / Journeyman

 

Member Spotlight
Attic Rat
Attic Rat
Bergen Co.,N.J. USA
Posts: 524
Joined: December 2003
Show All Member Profiles 
Top Posters(30 Days)
Admin 9
Popular Topics(Views)
253,268 Are you busy
189,895 Re: Forum
179,610 Need opinion
Powered by UBB.threads™ PHP Forum Software 7.6.1
(Release build 20180101)
Page Time: 0.023s Queries: 15 (0.005s) Memory: 0.9599 MB (Peak: 1.0927 MB) Zlib enabled. Server Time: 2019-02-20 21:56:12 UTC