SubRosa
Well-Known Lurker
Set TCR memory M3 to 260, set unit to TC
using M3. I get better tracking ~ 260.
Set watts (during climb to temp) to 30 W.
A higher value will reach temp faster, but
will overshoot before the cup catches up.
I'm tempted to go back to 25W.
Allow 2-3 cycles to let it work up to temp.
Set target temp wherever, say 350 deg F
for low temp dabs, that's what they call "not
burning the stuff" nowadays.
This results in a top resistance of .362Ω
I have observed absolutely no overshoot at any wattage selected. From cold it takes about 10 seconds to hit .362Ω, but it is taking much longer than ten seconds for the rods to come up to usable temperature let alone the bucket, so I can't see how higher wattage would hurt. It would absolutely be the case with variable wattage, and I was interested to see that 20w itself topped out at .405Ω, but I really don't see any downside to getting to .360Ω as fast as possible.
Set the IR gun's Emissivity at .85, or leave at
default, and take your readings not at the
laser sighter's spot, because at close range
parallax makes that useless, but just put the
mouth of the IR gun right over the quartz cup.
IR Gun mode set to MAX, HOLD highest reading.
Swirl the IR gun a bit over cup the as you push
the button. That lets you capture temp all over
the cup.
If you're seeing temps within +/- 10 deg F of
the temp as set on the mod, you're doing great.
Great tip to ignore the laser pip and just put the sensor over the bucket. I don't know that my gun has adjustable emissivity, at least I wasn't able to find it easily. I found with these settings, I initially came to pretty stable 380F that did eventually climb to to 400F after a few minutes. Although I think my readings changed a lot depending on how close to the bucket my IR gun was.