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Is it only "water vapor"? No. It is not. That is a fallacy which needs to stop being tossed around.
Is it harmful? Initial studies say no, but until there are more studies, it's best to say it's far less harmful than cigarette smoke.
Is it harmful? Initial studies say no, but until there are more studies, it's best to say it's far less harmful than cigarette smoke.
if you don't mind, what's the "cone" AKA "distance to spot ratio" and max/min temps on your unit? and does it hold the max temp when it takes a reading? and is your emissivity ideal for temperature radiation of a black body such as a coil?
I can't quite tell you what happens with PG, but I had found this nifty study they did on VG (Vegetable Glycerin, Glycerol, etc) Give it a read, quite fascinating actually.
The safety of vegetable glycerin (VG) when inhaled through an electronic cigarette (e-cigarette). Studies on the effect of the inhalation of vegetable glycerin through a personal vaporizer.
tl;dr
"Glycerol is metabolized quite easily by a process called beta-oxidation. This process results in the production of CO2 and H2O and is a quite normal, common, and natural catabolic process."
Now, I feel I should elaborate somewhat. If you were vaping 100% USP (food grade) VG, with added nicotine extract, you would be metabolizing water, carbon dioxide, and nicotine.
As far as flavorings, colorings, and other such ingredients added that's a whole nother' story. There is also a large difference between vaping nicotine extract and WTA, as such juices are specifically formulated to contain additional compounds which are metabolized when vaped.
Hope that answers your question, vape well, vape often!
I'll have to look up the specs, but it consistently read the muffler on my 5500 watt generator at 947 degrees. It has the range to read 200 to 500 F with ease. It reads ice at 20F right out of the 0 degree freezer. When it starts to melt on the counter, it reads 33F, as it should. It reads when the trigger is pressed, constantly changing while the trigger is pressed, and holds the last temp when you let go of the trigger.
It's the earlier version of this one by Cen-Tech. I wasn't about to spend the money for a Fluke out of my pocket. This one does the job with sufficient accuracy as opposed to the +/-10 degree temperature tape the company gave us to read and calibrate 400 degree fuser rolls.
http://www.harborfreight.com/non-contact-infrared-thermometer-with-laser-targeting-60725.html
It's a Chinese unit that I bought to use in my job in lieu of those pesky stick on temperature strips for checking fuser temperatures in dry process printers (180 page per minute production monochrome and color laser printers). It read accurately right beside a Raytheon unit that another tech rep had in his tool bag. I don't know whether it will accurately read the tiny cross section of a coil, but when swung back and forth in front of a match, it registers and falls away sharply. We'll see what it reads on a Kanger coil when I get a chance to try it. The Kanger Protank/Evod coil has a nice open exposure to the coil once you remove the tube.
I'm about to leave on a Smoky Mountains leaf color chasing trip Monday morning, but I'll try to publish the results when I get back.
ETA: It's enough for me to know that ecigs present sharply reduced risk compared to cigarettes without having to question the NIH studies that show the same. I suspect that NIH wouldn't publish such studies if there wasn't good data obtained in a proper lab experiment. Other agencies of Uncle Sam would love to find something terrible to harp on and they haven't as of yet. No news isn't necessarily something you can take to the bank, but given the pressure from the FDA, we'd hear about it if there was compelling evidence to outlaw our hobby. That I believe.
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