this new blue sealing membrane means the nrange not only fulfils the requirements in terms of sealing and hygienecompliance, it also meets the requirement of making foreign bodies in foods traceable using optical systems.the n &ndash program with its safety devices was developed specifically for the food industry and other hygienesensitive applications.the command and signalling devices in the n range from schmersal are also suitable for use in production areas with the highest cleanroom classification air purity class 1 according to iso 146441.   
