New Ohm Volt Tester

[PaulBHC]

New to me anyway. Smoktech checks ohms on 510/ego side and output on 510 male side. 14.99 is only a little more than ohm testers.

Edit to add it will also check drop by attaching both at the same time. Wow

The Omnitester

 

[Fullknight]

It says it will even read PWM mods like zmax, and EGO battery's,and show voltage on VW devices realtime. Hope it works I ordered one.


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[PaulBHC]

I came close to ordering. I've looked at the ohm readers for around 14 and the output/drop tester for 12-15 and this does both.

 

[Froth]

I own one, I was curious about it and was already ordering a few things from litecigusa which has the Omnitester in stock. A couple of notes about it. The display is three digits but it DOES NOT read to the hundredth of an ohm, it only reads a single digit past the point or tenths only, the third digit is reserved for displaying a small O when reading ohms, and a small V when reading volts. Honestly that doesn't bother me because all the way down to .20 ohms I'm more than battery safe with a good amount of buffer zone. Since the resistance of a coil changes even after just a couple hours of vaping I don't really find the need to measure hundredths of ohms until you start going below .2, because the difference between .10 ohms and .19 ohms is significant as it can cross into over 40A of current draw and will overload most batteries, the difference of .19 ohms and .10 ohms is 20A, with 22A being drawn at 4.2V with .19 ohms and a whopping 42A being drawn at .10 ohms. So, if you plan to build below .20 AT AL L I would suggest a different ohm tester than the Omnitester. For what it's worth, I never build below .20 ohms and I am perfectly satisfied with the measurement of the Omnitester.

Now, the GOOD things - It reads battery voltage of all mods I have screwed into it, from Ego style batteries, VV devices, Mech mods, the works. And it's accurate as well, I checked it against a high dollar very accurate automotive DMM and it's right in line. The bonus to me about the Omnitester is that you can screw a mod into it AND put an atomizer on it and when set in voltage mode it will fire the atomizer through the device(it can be vaped this way!) and it will read your actual current going to the atomizer during firing, so it does a very good job of measuring real-world actual use voltage drop. It does a very good job, and has worked with all of my devices. The external USB charging is also a nice feature, I have enough batteries laying around as is.

That's everything in a nutshell, if someone wants a specific picture or something tested/checked I'd be happy to oblige.

 

[K_Tech]

I just saw this one earlier today, and was thinking of picking one up even though I already have one of those cheap "black-box" atomizer ohmmeters and a few DMM's.

Now, the GOOD things - It reads battery voltage of all mods I have screwed into it, from Ego style batteries, VV devices, Mech mods, the works. And it's accurate as well, I checked it against a high dollar very accurate automotive DMM and it's right in line. The bonus to me about the Omnitester is that you can screw a mod into it AND put an atomizer on it and when set in voltage mode it will fire the atomizer through the device(it can be vaped this way!) and it will read your actual current going to the atomizer during firing, so it does a very good job of measuring real-world actual use voltage drop. It does a very good job, and has worked with all of my devices. The external USB charging is also a nice feature, I have enough batteries laying around as is.

That's everything in a nutshell, if someone wants a specific picture or something tested/checked I'd be happy to oblige.

I won't ask you to destroy your tester, but I'm wondering what sort of limits it has. I recall seeing a few stories and at least one video of people damaging those cylindrical voltage testers by running really low sub-ohm RDA's on them.

 

[Froth]

I just saw this one earlier today, and was thinking of picking one up even though I already have one of those cheap "black-box" atomizer ohmmeters and a few DMM's.



I won't ask you to destroy your tester, but I'm wondering what sort of limits it has. I recall seeing a few stories and at least one video of people damaging those cylindrical voltage testers by running really low sub-ohm RDA's on them.

My DMM measures down to hundredths of ohms if I need to measure that accurately, prior to getting the Omnitester I used it for measuring everything and I have fired several .21-.27 coils on the Smoktech Omnitester through the device for a good 5-7 seconds with no issues at all, nothing got hot, no funky smell, no lag in heating the coil, honestly it really seemed to work very well for me and the voltage drop I saw was right in line with the voltage drop I was getting while testing with the DMM. However, it is worth noting that I have not fired anything with over ~20A of draw on it, nothing below .21 ohms on a fresh 4.2v 18650.

 

[AndriaD]

I just got my Omnitester, but I'm not exactly sure how to use it; first I tried testing a coil I had just built, screwed the kayfun base into the 510 connector, but when I switched it over to ohms, it showed first 8.88 then just -.-- and that's all it would ever show. When I screwed the base onto a vv3 battery, it showed me 1.8 ohms just fine, so there's nothing wrong with the coil.

On the voltage side, I tried testing the battery voltage on the ARO winder I just received; screwed it in, switched over to the voltage side, and it gave me the same again, 8.88 then -.-- so I tried pressing the fire button on the battery, and then the meter showed me 4.7 then 4.8 volts, but was it just showing me the setting at which the battery was firing, or was it showing me the battery voltage?

Can anyone advise me on this thing? I can't seem to locate any "docs" for it online...

Thx!
Andria

 

[Fullknight]

When you move the switch toward the coil it should show ohms. When you move switch toward the battery you fire it and it reads what the battery puts out.


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[MikeMills]

Can anyone advise me on this thing? I can't seem to locate any "docs" for it online...

Thx!
Andria

I think the Omnitester has a built in battery, is it charged up good?

 

[AndriaD]

When you move the switch toward the coil it should show ohms. When you move switch toward the battery you fire it and it reads what the battery puts out.

So it won't actually show me the battery voltage, just the output? #$%#!!! It won't do half of what I wanted it for, and I could use my vv3s or Sigelei to do the other thing, so I guess I wasted my money.

Andria

 

[Fullknight]

I have one and it works very well for what I use it for. It will test PWM devices also.


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[AndriaD]

I guess it's a great deal more useful for those with mech mods, which don't have the nifty built-in ohm checker or voltage checker as the APVs do. A lot of those look really nice, but I think I'm too spoiled by all the cool features of the electronic kind, to ever want something less talented.

But, at least I figured out why I couldn't get an ohm reading for the first kayfun I put on there; that pesky center post. The vv3's allow you to kinda "pop" the battery post upward a bit, when it's not making contact, and that's a great help. But I really do need something that will allow me to check the battery voltage for this new ARO Winder I got, and my ego-c backup. The cheapie ego-c is 1300 mAh so I don't worry about it too much, but the ARO Winder I got is the 900 mAh one, so knowing the battery voltage would be extremely helpful.

I think my Sigelei zmax v3 is one of those PWM, but unless I was having a problem with the Sigelei, it doesn't really need the Omnitester, it's got all that stuff built-in. I don't sub-ohm or anything close to it, so I'm not exercised about this thing I keep hearing about "voltage drop" or something to that effect, or even the amp draw, since I use coils in the 1.6-2.0 ohm neighborhood, and I usually vape around 6-8 watts.

Andria