What is the service life of an oxygen probe?

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• How does an oxygen probe work? What is reference air?

  The operating principle of an oxygen probe is the comparison of two partial pressures of oxygen in two separate gaseous media. The zirconium oxide (ZrO2) in the measuring cell has lattice defects – in other words, some of the sites that could be ...

• User manual for CP, DS, HT and HT PRO for the measure of Oxygen

  This is the user manual for CP, DS, HT and HT PRO for the measure of Oxygen . Theses probes measure the Oxygen content up to 1700°C. They cannot be used in carburizing mixtures (atmosphere with carbon)

• What is the difference between measuring %C (carbon potential) and %O2 (percentage oxygen)?

  There is no difference in the measurement of the probe itself! All probes generate the same millivolts (mV) whether they are in a carbon- or oxygen-rich atmosphere. It is the calculation downstream of the measurement that allows the calculation of ...

• Why does Econox use two different zirconium oxide (ZrO2) systems in its oxygen probes?

  Historically, Econox has always used a zirconium oxide ball for %C measurement in heat treatment atmospheres. Many years later, another system was introduced. It appears that in some particular cases, the use of either ZrO2 cell may give a slightly ...

• What does an Oxygen concentration of 10-²⁴ bar mean?

  The notation 10-²⁴ bar (or formulated 1.E-24)in connection with oxygen concentration refers to an extremely low partial pressure of oxygenin a given environment. Here’s a detailed explanation: Notion of oxygen partial pressure The partial pressure of ...