The oxygen probes from Germany's MESA are primarily divided into two types: the straight-insert oxygen probe and the sampling oxygen probe (Lambda probe). They have significant differences in structure, working principle, application scenarios, and advantages. Below is a detailed comparison analysis of the two:

1. Structure and Working Principle

Direct Insert Oxygen Probe

Direct insertion oxygen probe (e.g., model MF160.39.09.0) directly inserts zirconia ceramic into the high-temperature gas being measured, utilizing the oxygen electromotive force it generates at high temperatures to measure oxygen concentration. This probe is suitable for atmosphere temperatures of 700-1050°C, featuring high detection accuracy, rapid response time, and no need for additional heater.

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