High temp thermistor suggestions
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I just upgraded My single bmg/ mosquito magnum to a BMG x-2 M and a pair of mosquito liquids (converted the mag to liq + 1). During the retro fitting process the slice engineering high temp thermistor must of gotten damaged. So now I’m faced with either making the order of 100$ for 2 thermistors...or look for a cheaper alternative to this problem. I mostly print high temp plastics ( Nylon, PC, and the occasional peek pek samples) so the thermistors need to be capable of temps well over 300C. This upgrades been nothing but a snowball of other upgrades to get everything to work properly so any suggestions to help stop the financial bleeding would be greatly appreciated.
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@JPS0284 Buy pt100/pt1000. Better than any thermistor.
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Aren't the PT1000's plug-n-play with the duet 2 or would I need the daughterboard?
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The PT1000 is directly compatible. It is a way better idea than a thermistor for the hot end. Thermistors are very good for super-high resolution thermometry over a narrow temperature range. Nothing is better. On the other hand, a platinum resistance thermometer is really hard to beat for covering the range from -100C to 500C with absolute, assured accuracy. You will actually be able to believe your temperatures. Note that even tiny beta variations between thermistors can mean to units that agree at 25C can be more than 10 degrees off at 250C. Thermistors are stable, not accurate, without calibration at their working temperature.
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@mendenmh thanks so much for your input sounds like pt1000's it is. Do you have any preferred sources otherwise I'll roll the dice on amazon.
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I got mine from Filastruder in the U.S.A. but they seem to be out right now. They had Precision Piezo branded one, but I'm sure it is a completely generic unit, except for being mounted in the right size tube tube fit most extruders. Any good industrial electronics place (Digikey, etc.) will have them. I'm sure various Amazon stores will, too. Normally, I would shy away from unknown brands, but I think these are all made to industrial standards, and only come from a limited number of actual manufacturers, so generic is probably fine. Doo look at whether the mounting will work, and if the wires are long enough.
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I think these are all made to industrial standards
there are different grades but i would think even b-stock of the lowest grade would suffice if you're not running a print farm
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@bearer I ended up getting a pair on eBay for 16$ a piece, which look near identical to the slice pt1000 for 50.00 a piece. Differently dont have a print Fram just a small machine in a heated chamber.
