Room air quality sensors/controllers (voc) and measuring transducers, self-calibrating, with multi-range switching and active/switching output (17 pages)
Surface contact ⁄ tube contact temperature measuring transducers, including strap, calibratable, with multi-range switching and active output (16 pages)
Multifunctional duct/on-wall sensors and measuring transducers, for humidity, temperature, co2 content and air quality, calibratable, with modbus connection (48 pages)
Pressure and differential pressure measuring transducers including connection set, calibratable, with multi-range switching and active output (32 pages)