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Author Topic: How many DMM's do you own ?  (Read 3160 times)

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Offline anishkgt

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How many DMM's do you own ?
« on: October 16, 2017, 06:22:35 PM »
Hi All,

Starting this thread to show the need more than one DMM, which i guess is good thing and everyone would be having more than one. Two is what most of them have. I have a Brymen DM869s an Extech Ex330 and my very first Mastech 8628 which was the cheapest among them.

I knew Mastech would not last very long when i had bought it but i never knew i would get serious with electronics back then. Now the Mastech is not working very well these days. So i was thinking of getting a replacement. Actually i bought the Extech to replace the Mastech but it came in handy when i had blown the fuse on both my Extech and Brymen. Would anyone recommend a decent one to use more frequently. I was thinking of the Extech brand which would come in handy when the existing Extech and Brymen are measuring the voltage and Current and the this one would be for temperature and maybe for a second reading to check either has drifted. Since i have the Brymen for more accurate reading with 50,000 counts i guess i would need another Brymen for accuracy or should i ?

How does everyone else use their DMM's for ? As always any feedback would be valuable and maybe to others as well.
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Test Gear: Rigol DS1054z, Hakko Fx88D, Brymen BM869s
 

Offline blueskull

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Re: How many DMM's do you own ?
« Reply #1 on: October 16, 2017, 06:31:34 PM »
I only need one for most of my cases, so one of the two DMMs I have goes to lab, the other goes home.
I find needing two is not common, but that's based on what I do -- I usually put all power regulators on board, so monitoring voltages is never needed.
Also, for MCU enabled designs, critical power rails and slow analog signals are all ADC connected, so serial port spits most telemetry data hence I don't need DMMs.

In the slim chances where I need more than 1 channel, I use a USB all-in-one virtual tester (Analog Discovery) to probe additional channels.
SIGSEGV is inevitable if you try to talk more than you know. If I say gibberish, keep in mind that my license plate is SIGSEGV.
 

Online rdl

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Re: How many DMM's do you own ?
« Reply #2 on: October 16, 2017, 07:33:44 PM »
I have accumulated seven multimeters over the years. Some date back to the 80s, but the older ones are stored away and almost never used.

Most of the time one meter is enough and lately that's been my new AN8008. Before getting it I used my Fluke 87-III for most things, but the Fluke is about 6x larger than the Aneng, so it now spends most of its time hanging on the wall out of the way.

I also have an M9803R (RSR branded Mastech) bench meter that sees a lot of use.
 

Online bd139

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Re: How many DMM's do you own ?
« Reply #3 on: October 16, 2017, 07:36:42 PM »
I use two regularly. One new GW Instek bench meter. This is used for calibrated measurements and anything involving line voltage as it's actually calibrated and has properly shrouded and protected everything. The rest get done with a manky old Fluke 8026B. This gets to stay because the continuity buzzer on it is absolutely amazing.

I've got a few other meters as well which get hauled out if I have a complicated problem but this is rare. They are mainly just sitting around looking pretty :D
 

Online HighVoltage

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Re: How many DMM's do you own ?
« Reply #4 on: October 16, 2017, 07:50:28 PM »
I never counted ...

Here are some of my benchmeters
There are 3 kinds of people in this world, those who can count and those who can not.
 

Online bd139

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Re: How many DMM's do you own ?
« Reply #5 on: October 16, 2017, 07:58:49 PM »
 :o
 

Offline Rbastler

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Re: How many DMM's do you own ?
« Reply #6 on: October 16, 2017, 08:37:12 PM »
I got eleven atm. Eight were I study and 3 at home.

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Online ChrisLX200

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Re: How many DMM's do you own ?
« Reply #7 on: October 16, 2017, 08:37:53 PM »
I don't own a bench meter, but I have 4 hand-helds (Uni-T70D, Fluke 87-V, Iso-Tech, and an old RS components meter). The Uni-T and Fluke do everything, very rare I need to call on the other two for a job. Despite its 'cheap' reputation the Uni-T70D is accurate and provides a very similar readout to the Fluke, but for mains voltages I always reach for the Fluke :-)
 

Offline anishkgt

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Re: How many DMM's do you own ?
« Reply #8 on: October 16, 2017, 08:52:14 PM »
I never counted ...

Here are some of my benchmeters

Damn ! are you selling those by any chance, maybe I could spare you some room

Just curious what are those for ?


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Equipments: DSO104z, Hakko FX888D
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Test Gear: Rigol DS1054z, Hakko Fx88D, Brymen BM869s
 

Offline anishkgt

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Re: How many DMM's do you own ?
« Reply #9 on: October 16, 2017, 08:56:54 PM »
I was looking for a bench dmm but they seem to be way beyond my needs. I had a thought about it when I wanted to take kelvin reading for a cable and finally did it the four wire way. Now ordered a kelvin wire.

Any recommendation for a dmm ? Mastech is a no no and I’ve no idea dmm other than fluke ( which is out of my budget), brymen ( which was recommended from this forum and it meets my requirement as well) and extec that I use for everyday use. I think I would go for a cheaper brymen or an extech and a usb data logger for my existing BM869s.


Www.Georgehobby.wordpress.com

Equipments: DSO104z, Hakko FX888D
https://georgehobby.wordpress.com/
Test Gear: Rigol DS1054z, Hakko Fx88D, Brymen BM869s
 

Offline KNSSoftware

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Re: How many DMM's do you own ?
« Reply #10 on: October 16, 2017, 08:59:44 PM »
I never counted ...

Here are some of my benchmeters


dude that addiction is more expensive than coke!  and your signature says it all!
 

Offline Electro Detective

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Re: How many DMM's do you own ?
« Reply #11 on: October 16, 2017, 09:06:57 PM »
I never counted ...

Here are some of my benchmeters


dude that addiction is more expensive than coke!  and your signature says it all!


That 1 million volt Geller Labs SVRT thingy at the bottom of the second photo, needs loads of benchmeters wired in series to get an intact readout  ;D
 

Offline Muttley Snickers

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Re: How many DMM's do you own ?
« Reply #12 on: October 16, 2017, 09:14:20 PM »
I own all of them, none are hired, borrowed or stolen.   :-DMM :P
One smart cookie, better make that two for good measure.
 
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Offline technogeeky

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Re: How many DMM's do you own ?
« Reply #13 on: October 16, 2017, 09:14:56 PM »
I think a strong argument for a minimum number of DMMs is 2: you need one DMM, and a 2nd one in case you need to:
  • make a simultaneous current and voltage measurement
  • measure the input properties of one DMM (resistance / impedance, burden voltage, diode voltage, etc) with another DMM
  • measure two voltages that must stay isolated

« Last Edit: October 16, 2017, 09:20:14 PM by technogeeky »
 

Online Specmaster

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Re: How many DMM's do you own ?
« Reply #14 on: October 16, 2017, 09:42:44 PM »
I currently have 10, 6 bench meters and 4 handhelds, problem is which one to use, eny meany miny mo..  :popcorn:
Who let Murphy in?
 

Offline IanMacdonald

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Re: How many DMM's do you own ?
« Reply #15 on: October 16, 2017, 10:17:35 PM »
Five.

Recently bought a good analog meter for a specific purpose, and found that I've been using it on the bench quite a bit more than I'd expected to. Sometimes a device with a modest specification can prove to be more useful than one with a fantastic spec, especially as it can show trends. 
 

Offline anishkgt

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Re: How many DMM's do you own ?
« Reply #16 on: October 16, 2017, 10:20:49 PM »
Which one ? The extech looks decent in price and function as a third DMM.
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Test Gear: Rigol DS1054z, Hakko Fx88D, Brymen BM869s
 

Offline Vtile

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Re: How many DMM's do you own ?
« Reply #17 on: October 16, 2017, 10:37:53 PM »
9 multimeters atm.  :o :scared:

2 x benchmeter (Vintage Keithley 5½ digit and 3½ Fluke 70's model)
1 x Passive analog (20k/V)
3 x Active Analogs (up to 100 Meg input, 1 - 1.5% accuracy)
3 x Handheld DMMs

« Last Edit: October 16, 2017, 10:49:45 PM by Vtile »
Pick your point and call it as a ground.
 

Offline Vtile

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Re: How many DMM's do you own ?
« Reply #18 on: October 16, 2017, 10:55:45 PM »
Which one ? The extech looks decent in price and function as a third DMM.
There only one good (active/passive) analog meter in production atm . as far as I know and it is from GossenMetrawatt. There is a few decent ones, I think the Extech 38073 is decent, but it only do have ~5% accuracy (compared my AVO8 from 60's with 2% accuracy). The Sanwa Em7000 seems interesting (active) meter, but again the accuracy (and sensitivity) is poor/modest.

IIRC. Ians meters were some NIB vintage active model.

PS. Any modest analog meter might be better than none for certain users.  :)
« Last Edit: October 16, 2017, 11:00:27 PM by Vtile »
Pick your point and call it as a ground.
 

Offline anishkgt

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Re: How many DMM's do you own ?
« Reply #19 on: October 16, 2017, 10:57:46 PM »
Well I love the Germans and the dmm’s but the dmm does cost way beyond my budget.


Www.Georgehobby.wordpress.com

Equipments: DSO104z, Hakko FX888D
https://georgehobby.wordpress.com/
Test Gear: Rigol DS1054z, Hakko Fx88D, Brymen BM869s
 

Offline IanMacdonald

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Re: How many DMM's do you own ?
« Reply #20 on: October 16, 2017, 11:01:31 PM »
IIRC. Ians meters were some NIB vintage active model.

Indeed, a lucky Ebay find and looks like it has never been used.
 
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Offline cprobertson1

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Re: How many DMM's do you own ?
« Reply #21 on: October 16, 2017, 11:02:33 PM »
14 - BUT - five of those are cheapies - only the Gossen Metrawatts see regular use.

Modern:
2x Gossen Metrawatt Metrahit (1x X-Tra, 1x Pro)

Modern but not high-end:
1x Uni-T Pocket
1x Uni-T Regular
1x Mastech

Modern but crap:
1x TackLife (it's actually not terrible)
1x Mercury (chinese brand)
5x Misc cheap crap

Oldies but Goldies
1x Avometer Model 40 Mk II (1960's vintage)
1x Avometer Model-7 (1946 vintage)



So that's 14 in total xD  :-DMM

Ps - that 1946 avometer still works and is pretty much in spec (a little off in the current ranges). It's younger sibling gives readings but they're all over the shop - it spent a few years in a barn and hasn't fared too well for it;))
« Last Edit: October 16, 2017, 11:04:16 PM by cprobertson1 »
Aww, shoot... All the electrons fell out my Crookes tube :(
 

Offline Vtile

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Re: How many DMM's do you own ?
« Reply #22 on: October 16, 2017, 11:03:08 PM »
Well I love the Germans and the dmm’s but the dmm does cost way beyond my budget.


Www.Georgehobby.wordpress.com

Equipments: DSO104z, Hakko FX888D
Look the vintage models. ;) The peak of analog tech were late 70's early 80's as far as I know. A really good analog meter do have 1 - 2% accuracy on the voltage ranges, depending if the model is active or passive. Active models are many times called as multitesters (or have FET written in their faceplate somewhere ). Stay away from tube meters, if you don't do tube restoration already.

PS. If someone gets a passive analog meter, look that the DC current range is 100 micro amperes or below.  Edit2.. And that it does have a mirror strip in the scale..
« Last Edit: October 16, 2017, 11:27:49 PM by Vtile »
Pick your point and call it as a ground.
 

Offline xani

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Re: How many DMM's do you own ?
« Reply #23 on: October 16, 2017, 11:06:46 PM »
One Velleman (probably rebranded from something else) DVM1200 multimeter that I use for most things (decent continuity, has USB optical interface I thought I'd need but used once and never touched again)

One noname that I bought just because it has separate power-on button

One Uni-t 210E for decent AC/DC clamp with good range (from 2A/1mA resolution to 100A). Also it's tiny and have nice bag with it so I use it when I need something portable.

One Picotest M3510A because I needed 4 wire for some things, better resolution for other, and planned to do something with USB too and figured out that if Keithley rebrands it (well, keithley version has 5.5, this one is newer 6.5 digits) it can't be that bad (and it isn't). Dual measurement is pretty handy, I usually use voltage + temp, sadly while it can measure voltage and current at same time it doesn't calculate watts out of it.
It even has decent continuity buzzer  ;D and even can setup threshold resistance for it (which sadly gets reset after power cycle)

Recently bought a good analog meter for a specific purpose, and found that I've been using it on the bench quite a bit more than I'd expected to. Sometimes a device with a modest specification can prove to be more useful than one with a fantastic spec, especially as it can show trends. 

Well, there's a reason a lot of multimeters have bargraphs (not exactly same, I know). Altho I'm suprised that you need to go really high on the price to get any kind of trending display on multimeter as from technical perspective it is just "have a dot matrix screen/part of screen" and "make MCU put measurements on it"
 

Online Specmaster

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Re: How many DMM's do you own ?
« Reply #24 on: October 17, 2017, 12:24:06 AM »
:o
Every one of those would light up your dark corner nicely  :popcorn:
Who let Murphy in?
 


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