... sensor technology, 15-year sensor life.2. Provide 4-20mA analog output signal and 2-way switch output signal which can be used ... , clean rooms and other industrial and agricultural carbon dioxide monitoring.2. Family, villas, office buildings, conference rooms, classrooms and other ... ~95%RH, Not condensing10. Output: 4-20mA, RS-485, Switch signal ( 2-way )11. Reaction time: 90% of the change <60 ...