Providing a 1.5V reference voltage to a thermocouple can expand the entire measurement temperature range? What is the principle?

QWE4562009

Providing a 1.5V reference voltage to a thermocouple can expand the entire measurement temperature range? What is the principle? [Copy link]

Providing a 1.5V reference voltage to a thermocouple can expand the entire measurement temperature range? What is the principle?

okhxyyo

It should be a method similar to partial pressure. Then calculate by ratio. This requires temperature conversion.

QWE4562009

okhxyyo posted on 2020-3-10 16:03 It should be a similar pressure division method. Then calculate it by ratio. This requires temperature conversion.

I only know one thing but not the other. The key is

okhxyyo

QWE4562009 posted on 2020-3-11 18:08 I just know one thing but not the other. The key is

This is definitely calculated based on the specific chip.

threetigher

RS8551, 3V power supply, bias 1/2Vcc