Room air quality sensors/controllers (voc) and measuring transducers, self-calibrating, with multi-range switching and active/switching output (17 pages)
Duct air quality sensors/controllers (voc) respectively measuring transducers, including mounting flange, self-calibrating, with multi-range switching and active/switching output (17 pages)
On-wall hygrostats and humidity and temperature sensors (+-2.0%), electronic, two-step, with multi-range switching and continuous/switching output (17 pages)
Multifunctional on-wall sensors and measuring transducers, for humidity, temperature, c02 content and air quality (voc), calibratable, with active/switching output (33 pages)
Room air quality (voc) and c02 sensors respectively measuring transducers, self-calibrating, with multi-range switching and active/switching output (17 pages)