Checking Your Battery Voltage And Resistance Values Using A Multimeter…A My Vape Guide.

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Three of the most frequently asked questions around are:

-What do I use a multimeter for?

-Should I get one?

-How do I use it to check my resistance and voltage?

So right now, we’re going to tackle all three of those. Now, when you first get into vaping and hear all about things like this it might be intimidating and somewhat prohibitive. Everyone seems to have this mentality that everything is just going to blow up on you. Like it was mentioned before….I get it, safety is a concern, I agree but you should never let it stop you from what you want to do or worse…take the fun out of it. Vaping is easy and fun and if you want to get extreme with it, you can. All you need to do is keep a few simple rules in mind and you’ll be fine and if you don’t know anything about how electricity works, don’t worry. A lot of people don’t and we can all still manage to vape well. You don’t need a degree, you just need to know what pertains to what you are trying to do.

Now all the information you’re about to learn how to gather isn’t going to help you unless you know how to use it. So before you get any further, you should really browse over The Simple Way To Not Blow A Hole In Your Face My Vape Guide. Once you’ve done that, continue reading this guide and you’ll (hopefully) have a grasp of the basics. If you want to go sub ohm, both of these will show you how to do it without going “boom”.

Ok, so what’s a multimeter used for? It’s used to measure your battery voltage and coil resistance. You can use these measures to plug in the calculator mentioned the above guide to know where about you need to be to keep everything in one piece. If you’re using a regulated or protected device, you don’t have much to worry about. It will not let you fire anything below it’s safety threshold…but, what if you want to push that threshold? What if you decide you want a mechanical mod that has no screens and settings, it’s just the power of the battery and your coil? Then to answer the second question, yes. You do need a multimeter.

I cannot stress enough how this information will be useless to you unless you know what to do with it, so we’ll post the The Simple Way To Not Blow A Hole In Your Face My Vape Guide that along with the calculator in it should be used in conjunction with this guide.

…now on to the third question, how do I use one of these things to check my voltage and coil resistance? Remember that everything here has a positive and a negative end. On a multimeter the positive lead is going to always be red and the negative will be black.

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What you’re going to want to do is set your meter in voltage mode. Notice the position on the dial. We’ll keep it on the lower setting since we’ll be measuring relatively small numbers here. Not the dial position.

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So now what we’re going to do is touch those red (positive) and black (negative) leads to the corresponding terminals on the battery. Each battery has a positive and negative end which has to be touched with the appropriate terminal to get a measurement. Most batteries are going to be marked.

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If yours doesn’t, it’s pretty easy to figure which is which. Your positive is going to look something like this…

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…and your negative will generally be pretty flat, like this…

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So what you’re going to want to do is touch the appropriate leads to the appropriate terminals, like this…

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…and you’ll get your reading…

IMG_20140113_195138

That wasn’t too bad was it? Once your battery gets to around 3.6V you might want to swap it for a fresh one. On a mechanical device, this is the only way to check your remaining battery. Unlike a regulated mod that has a circuit board integrated and will do this for you, you have nothing other than the battery inside your mech. So does that mean that you have to carry around a multimeter everywhere you take your device to check your battery level? No, that would be a pain. What you’re going to want to do is when you first get your device, use it at home for a couple of days and check it regularly. With a mechanical mod, as your battery decreases, your vape quality will dimish as well. Use this drop in vape quality for a rough estimate as to where your battery level is. It’s not a bad idea to carry an extra battery with you if you’re going to be out and about for a while…like for instance, if you’re not planning on coming home that night. Make sure you keep that battery in it’s own pocket. You do not want your keyes or anything else in your pocket making contact between the two terminals and causing a short. The small “coin pocket” inside your pocket on your jeans is a great spot for a spare battery.

So now that we know our battery voltage, we just need to find out the resistance of our coil. You can do this is a number of ways. You can use a resistance checker machine, a regulated mod that has a built in resistance checker, or in this case, a multimeter. So we’re going to set our meter in Ohm mode. Once again, note the dial setting and it’s going to be on the low spot since we’re not dealing with big numbers here at all. Once you have it set properly, you’re going to want to touch the leads together and read that measurement. The device itself has its own resistance and you’re going to want to subtract this from the resistance you get out of your coil. Like this…

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The same principle of positive and negative from before applies to your atomizer as well. In this case (RSST), the tall post is the positive and the small screw is the negative terminal.

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So you’re going to want to hold your respective leads to the appropriate post to measure the resistance of your coil. …

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..in this case, we get a reading of 1.6 ohms…

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but remember to subtract the resistance of the device, which we saw above was .4, leaving us with a total resistance of 1.2 ohms.

That’s all there is to the measuring. There are slight variances between devices but the idea is the same. Now, remember again all this is useless unless you know what to do with these measurements so check out the calculator and guide here!

 

 

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