Greisinger-OXY-3690-MP-Atmospheric-Air-Oxygen-Transmitter-including-Electrode-Greisinger-OXY-3690-P-The-Greisinger-OXY-3690-MP-is-an-Atmospheric-Air-Oxygen-Transmitter-including-Electrode-that-measures-the-oxygen-concentration-in-air-Depending-on-the-selected-sensor-type-the-device-is-appropriate-to-either-pure-oxygen-i-e-low-CO-sup 2-concentration-or-to-air-with-very-high-CO-sup 2-concentration-P-P-Suitable-for-measurements-in-the-atmosphere-&-in-systems-with-little-or-no-positive