Instead of canceling the effect of the reference junction electrically, we. Hardware compensation and software compensation. Instead of canceling the effect of the reference.
Thermocouple Cold Junction Compensation - InstrumentationTools
Software compensation digitizes both the raw thermocouple voltage and the cold junction temperature separately, then performs the correction in a microprocessor.
Connect one or two b type b, e type e, j type j, t type t, n type n,.