Buying a Thermistor for Heat Detector Project - Factors to Consider

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When selecting a thermistor for a heat detector project, key factors include the thermistor's resistance range, temperature coefficient, and response time. Typical resistance values for thermistors vary, often falling within a range suitable for detecting specific temperature changes. The circuit design plays a crucial role in determining how the thermistor will function within the heat detection system. Understanding the application requirements will help in choosing the right thermistor type, whether NTC or PTC. Proper selection ensures accurate temperature readings and reliable performance in the heat detector project.
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what factors i had to take into account by buying a thermistor for my project of heat detector?

my project circuit is attached.
 

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waqarrashid33 said:
what factors i had to take into account by buying a thermistor for my project of heat detector?

my project circuit is attached.

What can you tell us about thermistors? What are typical resistance ranges for them? What are you doing in the circuit that you've shown us?
 

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