multitester that will store peak values

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aviator172

Copper - Posts: 59

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Joined: September 01, 2009

Posted: September 01, 2009 at 8:26 AM / IP Logged

Hi,

I'm installing an alarm system and many times the voltages or currents I need to measure are pulses that occur in fractions of a second.

Does anyone know of an affordable (less than $100) multitester / VOM that will store the peak voltages or currents received by the tester and allow you to display those values (instead of trying to watch the tester and hopefully see the high value as it flashes by quickly)?

thanks

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: September 01, 2009 at 10:40 AM / IP Logged

Radio shack part # 22-812

aviator172

Copper - Posts: 59

Joined: September 01, 2009

Posted: September 01, 2009 at 11:02 AM / IP Logged

howie ll wrote:

Radio shack part # 22-812

That's been discontinued Howie. Can't find a Radio Shack that has one anymore.

Just an FYI

aviator172

Copper - Posts: 59

Joined: September 01, 2009

Posted: September 01, 2009 at 11:45 AM / IP Logged

Well,

I have to reverse. I called a different Radio Shack looking for another VOM that would do that and they gave me different info so I went there and they had one....but, it was their only one.

Regardless I got one and your post was very useful.

thx

kgerry

Platinum - Posts: 3,455

This member consistently provides reliable information

Joined: February 07, 2004

Location: Saskatchewan, Canada

Posted: September 01, 2009 at 12:16 PM / IP Logged

most Fluke meters will......

Kevin Gerry

Certified Electronics Technician

MECP First Class Installer

Owner/Installer

Classic Car Audio

since 1979

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: September 01, 2009 at 2:12 PM / IP Logged

Yes agreed but a lot more expensive, I use a non-autoranging non calibrated DMM with peak hold, 20amps current measurement and trace buzzer for £30, = $45. I agree I could quadruple that for a decent one but it's adequate for field use, considering it gets slung in the trunk of my car 3 times a day.

KPierson

Platinum - Posts: 3,527

Joined: April 14, 2005

Location: Ohio, United States

Posted: September 01, 2009 at 4:02 PM / IP Logged

The autoranging is the key thing to disable when dealing with quick signals. My Fluke meters won't read fast pulses unless I disable the auto ranging feature. My Craftsman meters won't read the pulses at all.

It's important to not only have a meter that stores peak values but is fast enough to catch those values!

Kevin Pierson

aviator172

Copper - Posts: 59

Joined: September 01, 2009

Posted: September 01, 2009 at 4:17 PM / IP Logged

The One I got today from Radio Shack was about $70 (USD) or about 35 british pounds (I think?)

Anyway, it has everything I need and more and I think it was a good investment as I use VOMS constantly, just never had a fluke or one with data store Min/Max capability.

I particularly like the way it uses ranges. MUCH better than most of other VOMS.

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: September 01, 2009 at 5:50 PM / IP Logged

Oh Mr. Peirson you're such a blinger, "my flukes" in the plural multitester that will store peak values -- posted image.

KPierson

Platinum - Posts: 3,527

Joined: April 14, 2005

Location: Ohio, United States

Posted: September 01, 2009 at 7:11 PM / IP Logged

I before E except after C!!!!

You're getting closer though.

I currently only have the three Flukes - a 189 data logging meter, a 787 process meter, and the classic 87-V general purpose meter. The 87-V actually belongs to my employer, but it stays with me at all times so I gotta count it!

Kevin Pierson

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