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 CO² concentration) or to air with very high CO² concentration. Suitable for measurements in the atmosphere and in systems with little or no positive and negative pressure. * O² Sensor element exchangeable * Appropriate to air with high CO² concentrations * Input electrically isolated * Manufacturer's part: Greisinger OXY 3690 MP https://elecena.pl/product/27786229/greisinger-oxy-3690-oxygen-meter 2025-02-02 https://elecena.pl/product/27786229/greisinger-oxy-3690-oxygen-meter 2026-07-11