The base BM multi-transmitter is perfect for use in ventilation ventilation systems and clean rooms. Through the measurement, conversion and display of the parameters relative humidity, temperature and differential pressure temperature and differential pressure, the use of three different devices can be devices, which saves both material and installation costs. can be saved. With its slimline design, the base BM combines all the relevant features that are required for the majority of applications and offers offers an extraordinary price-performance ratio. Thanks to the selectable measuring ranges, units, output signals and filter materials, the base BM can be perfectly adapted to your application. to your application. The compact and smart housing enables quick and convenient convenient installation in the room or duct and ensures that the device is immediately immediately ready for use. An optional display can be selected to show the measured values.