thermocouple/thermode
if you want a cheap thermocouple you can pull them from consumer "weather stations"
i did this a few years ago with a remote temperature sensor from home depot. i had to extend the wires leading to the thermocouple from the circuit board to make it work for my purposes. this might change the calibration but you could easily check it with a good thermometer. the Physitemp thermocouple we use in lab costs about $500 usd so this was a reasonable and inexpensive alternative.
i just looked at home depot and found the Weber Barbeque Digital Thermometer Model 6438 is about $30. i've seen similar items on sale for even less.
if this has an appropriate temp. range it might work well. stick the thermocouple on or near the chip with a little thermal paste and tape. a bonus is that it is telemetered so you can sit in the comfort of your listening position while monitoring the chip temp remotely.
if you want a cheap thermocouple you can pull them from consumer "weather stations"
i did this a few years ago with a remote temperature sensor from home depot. i had to extend the wires leading to the thermocouple from the circuit board to make it work for my purposes. this might change the calibration but you could easily check it with a good thermometer. the Physitemp thermocouple we use in lab costs about $500 usd so this was a reasonable and inexpensive alternative.
i just looked at home depot and found the Weber Barbeque Digital Thermometer Model 6438 is about $30. i've seen similar items on sale for even less.
if this has an appropriate temp. range it might work well. stick the thermocouple on or near the chip with a little thermal paste and tape. a bonus is that it is telemetered so you can sit in the comfort of your listening position while monitoring the chip temp remotely.
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