Question
Download Solution PDFArrange the following thermal sensors in ascending order of their cost for an application:
(A) Thermocouple
(B) Thermistor
(C) Resistance Temperature Detector (RTD)
(D) IR Photodiode
Choose the correct answer from the options given below:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is option 3.
Comparison between different temperature sensors
|
Sensor |
Thermistor |
Thermocouple |
Photodiode |
RTD |
|
Temperature |
-55°C to +125°C |
-600°C to 2000°C |
-50°C to +150°C |
-200°C to 850°C |
|
Sensitivity |
High |
Medium |
Highest |
Low |
|
Response time |
Fast |
Fast |
Slow |
Slow |
|
Self-heating |
Yes |
No |
Yes |
Yes |
|
Cost |
Very low |
Moderate |
Moderate to high |
High |
Last updated on Jun 11, 2025
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