I have exciting news! I have a logging 2 channel digital thermometer. I used it to measure the bowl surface temp and the temp of the material simultaneously. from what I know the best vaporization temp for THC is 350F / 176.6C. I have real time charts I plotted and all the data which I will post later because I want to annotate it showing the various temps and inhaling I did.
I used 0.2g of ground material in a bent 2 hole pipe.
The result was this. in order to keep the material above 180C when inhaling you have to:
- set it to 5
- wait until the heat light stops blinking
- inhale medium-strong (such as on a normal milkshake) for 15 seconds
- wait 5 seconds
- inhale for how ever long
- exhale for the same time as you inhaled (keep it 5- 15 seconds, inhale or exhale)
- if you stop, let the unit settle back (no heat light) then repeat from the 15 sec inhale
This will keep the material in the 180-200C range while inhaling.
A good product idea: a device that can hook onto a vaporizer and/or mouthpiece that places a thermistor in the material bowl and give a digital display of temp. this way you can monitor in real-time the temp of the material and adjust your inhaling to keep it where you want it.
UPDATE: here is the test graph. red is the temp of the material. green is temp of the heater wall. the brown line is just the difference between the two. the circled parts with numbers correspond to the settings. you can see the waver of the green line once it hits the temp it keeps the average +/- 2.5C or so - not too bad.
I first tried setting 3. you can see in the red line where i inhale and stop. the idea is that you want to get the material at 350F or about 180C. that should be the minimum temp. so with setting 3 i can't get the material to be at least 180.
I then tried 4 but again was not able to get the material temp over 180. you can see where the solo shut off and i turned it back on just before going to 4. then i tried 5. with 5 i could get over 180 (the horizontal green line).
Then, the last part are going up to 7 and then going down 1 by 1. the temps are the average temp at that setting. setting 1 is about 40C and is more of a "keep it warm" setting. it took too long to get 1 to stabilize so i stopped the graph.
the horizontal axis is time and because of the the way the graphing software works, the gradations are about 67.2s each.
I used an Apollo II, 2 channel K-type thermocouple logging temp meter and DS300 software.
As measured:
1 - 40C / 140F
2- 165C / 329F
3- 175C / 347F
4 - 190C / 374F
5- 200C / 392F
6 - 215C / 419F
7 - 225C / 437F
The following graph shows that at setting 4 it was not possible to get the material temp above 180C. Setting 5 required a minimum 5 seconds inhale, 5 seconds exhale in order to keep the material above 180C. If this sequence is broken then the solo needs to stabilize at 5 (heat light stops flashing) then inhale 15 seconds, then go into exhale 5, inhale 5.
I did some other experiments on duty cycle and you can inhale/exhale as much as up to 15 seconds each. so min 5 seconds each up to 15 seconds each and inhale and exhale times have to be the same.
