WIKA has expanded and optimised its air2guide range of measuring instruments for ventilation and air-conditioning applications and is now launching it in a new design. The complete product family now gets a modern and uniform image. At the same time, the supplier has expanded its capacity. Furthermore, the technology has been constantly optimised in all measuring instruments, and new products have been added to the portfolio. Users may profit not only from the measurement precision, but especially from the uncomplicated and time-saving operation: Installation can be made without tools. Initial installation or instrument replacement only takes half the time as for conventional models. The range has been developed on the basis of a sound investigation of the market's and customers' needs. From the differential pressure switch for filter monitoring to the air quality sensor, it provides solutions for all segments in ventilation and air-conditioning technology.