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Post by mikaellindgren on Oct 31, 2018 12:09:37 GMT -5
I have a 372 and am using two active control loops, the sample heater and the warm-up heater. For the warm-up heater, there is a setting in which I can limit the max current to a value I choose. My question is if this choice affects the resolution of the regulation?
I have a 860 ohm heater and need only 10 mW of heater power. I have got it working by putting a 10 ohm resistor in parallell with the heater, thus bringing the total resistance to a suitable value for the warm-up heater. However, if I can limit the max current to e.g. 100 mA and operate with full resolution in this range, I can choose a different shunt resistor and burn less power.
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Post by mikaellindgren on Apr 16, 2019 5:44:15 GMT -5
Does anybody know this?
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Post by Lake Shore Ogi on Apr 16, 2019 8:39:24 GMT -5
Dear Mikael,
Yes, I apologize for not responding- I'm not sure what caused your request to fall through as post notifications are monitored.
To answer your question: Yes, it affects the resolution of the range. It just limits the maximum current that can be output to the DAC that controls the heater.
Please let us know if you have any other questions!
Greetings, Ogi K.
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