Is a digital multimeter enough?

Status
Not open for further replies.

cramptholomew

Super Member
ECF Veteran
Jul 2, 2013
904
1,110
Maryland
Or, do I HAVE TO buy a new expensive mod with all the doohickies (I just have a bunch of Spinners and Twists), just so I won't ruin things, and/or hurt myself? I have a spool of kanthal on order, and I plan to start rebuilding my coils. I have a digital multimeter to check the coils and heads once they're built. I don't see why that shouldn't be enough, and I'm pretty sure that a lot of people haven't felt that they NEEDED a MOD before rebuilding things. I just wanted to check and make sure. Thoughts?

Thanks ECF folks!
 

Ryedan

ECF Guru
ECF Veteran
Verified Member
Mar 31, 2012
12,869
19,652
Ontario, Canada
A DMM is fine for what you will be doing. With Twists and Spinners, I would stay over about 2.0 ohms. You can go lower, but a short will take you into the battery protection which is not a safe thing to be doing. Check out the RBA forum on ECF for lots of great info on coil making and safety. Best of luck with it!
 

AttyPops

Vaping Master
ECF Veteran
Jul 8, 2010
8,708
134,483
Hc Svnt Dracones - USA EST
A multimeter is fine if you also:
1) Consider using a vapesafe fuse --- assuming you are shooting for an amp range that's workable for it
2) Understand point #1 AKA know ohms laws
3) Use a well vented mod and safer batteries

(That's for an all mech mod...sorry...reread your post...for eGos & spinners and such, DMM is fine for checking coil builds)
 
Last edited:

Rickajho

ECF Guru
ECF Veteran
Verified Member
Apr 23, 2011
11,841
21,763
Boston MA
DMM is all you really need right now - check your ohms and check for shorts. I agree with Ryedan - with your batteries keep things at 2.0 ohms or above. You probably can go slightly lower, but basic eGos, Spinners et al are not built for low resistance. The lower you go the faster you will wear out those batts. Or possibly trip the internal protection and render them useless.

Ok, having said that if you need an APV depends on where you are going with this. If you just wanna rebuild coils STOP! - you are fine. If you want to push the low resistance envelope you would be better off with a PV built to better deal with LR devices.
 

kimbo55

Senior Member
ECF Veteran
Aug 16, 2012
181
45
san diego
I'd look for quality contacts and switch components. Voltage drop is pretty important for best results.

I've been re-buidling my EVOD coils around 1.3 to 1.7 without any problems on my twists. Happy with the results I'm looking for so far.
I have a cheapo mech mod coming. (on a slow boat from China!!!) it seems. Just like the feel of a bigger grip and some extra battery life.
 

Moogle

Senior Member
ECF Veteran
Jul 5, 2013
282
150
46
Portland, OR
A basic DMM is OK but not all that accurate. Do some research. There are a lot of video reviews on YouTube. I got a Fluke that I use for other hobbies. I highly recommend them but if all you use it for is resistance and continuity then it's a glorified tool. I just don't trust a 5-20$ multimeter with anything. There is a 20-25$ dollar device for measuring coils specifically but it alsways seems to be sold out everywhere. You might want to spend more than 5$, A few suggestions for not much more Equus 3320, Innova 3320, Craftsman or of course used Fluke. Fluke is among the very best, period.
 

cdub_edmond

Full Member
Verified Member
Jun 18, 2013
22
1
Edmond, OK, USA
Thanks everybody. I have a dmm that I found at work. I've tried testing my stock evod coils, just to make sure it works, which it does. I only plan on going down to 1.8 ohms. Will testing the ohms also let me know if there's a short?

If there is a short you will not see a consistent resistance.
 
Status
Not open for further replies.

Users who are viewing this thread