All zirconia based carbon probes measure carbon potential through the chemical equilibrium with oxygen:

EMC’s PYROX oxygen probe offers unrivalled performance in carburizing control applications. Conventional sensors require the delivery of an air reference to the sensor electrode resulting in thermal shock and thermal stress issues. The PYROX sensor employs a solid oxygen reference eliminating conventional  thermal stresses 

Solid oxygen reference technology - no reference air supply required

Unrivalled thermal shock resistance

Integrated thermocouple




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