Answer Posted / mazhar ali

both rtd and thermocouple ranges cant b the same , but u can
say that rtd range & thermocouple range may overlap.
if in a process u need to measure a temp of 150 degrees,then
u can use both rtd of 0-300 degrees and thermocouple
0-1200degrees, but u know rtd would be cheaper,money saying
than thermocouple.

for example when u drive a bike the speedometer may be
showing 185kmph, so the gauge of 0-220kmph is better than
using 0-1000kmph, when your bike speed is max 200kmph.

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