This analogueue gas sensor has a small heating element with an electronic-chemical sensor. It is suitable for indoor use. Measurable substances: Carbon monoxide (CO) The sensitivity of the sensor can be adjusted via a potentiometer. For example, you can set a threshold that triggers a gas alarm. https://elecena.pl/product/28015622/joy-it-co-sensor-with-adjustable-sensitivity 2025-03-12 https://elecena.pl/product/28015622/joy-it-co-sensor-with-adjustable-sensitivity 2025-05-22 https://elecena.pl/product/28015622/joy-it-co-sensor-with-adjustable-sensitivity 2025-07-18 https://elecena.pl/product/28015622/joy-it-co-sensor-with-adjustable-sensitivity 2025-09-17 https://elecena.pl/product/28015622/joy-it-co-sensor-with-adjustable-sensitivity 2026-05-03 https://elecena.pl/product/28015622/joy-it-co-sensor-with-adjustable-sensitivity 2026-07-10