Opties DS35 RTA Omnidirectionele mic
 
DA34 RT60 mode
DA36 RT60 mode interface 1/3 octaaf
DA37 THD Vervormingsmeter
DA38 1/6 octaaf
DA39 1/12 octaaf 27Hz/800Hz
DA40 Dosimeter metingen
DA41 Analyse Noise Criteria
DA42 Impedance metingen
DA43 STI/CIS firmware