Opties DS37 RTA Omnidirectionele mic PI/STI/CIS   ACM6 Certificatie calibratie DS37 CU65 Meten aan audio systemen CU75 Arbo en environment cursus DA34 RT60 Mode DA36 RT60 mode interface 1/3 Octaaf DA37 Distorsie Analyse DA38 1/6 Octaaf DA39 1/12 Octaaf 27Hz/800Hz DA40 Dosimeter Metingen DA41 Analyse Noise Criteria DA42 Impedance Metingen DA43 Speech Intelligibility Software KO15 Instrumentkoffer medium (157 mm)