TFA-Dostmann 31.5000 gas detector Carbon monoxide (CO)

For the control of the carbon dioxide concentration in populated buildings, for example schools, offices and public facilities, with temperature indication, 24 hours data logger, adjustable acoustic alarm, open collector, measuring range 0...3000 ppm, accuracy ±50 ppm or 5 %, incl. power adapter and batteries 4 x 1.5 V AA.