The Type Approval Option upgrades the instrument to the XL2-TA, the dedicated sound level meter
for certified measurements. The XL2-TA forms with the M2230 microphone
and ASD cable a type approved sound level meter
offering class 1 performance according IEC61672:2003, IEC61260:2003 and type 1 performance according ANSI S1.4:2006. The detached operation allows you monitoring the level
readings on the XL2 display, while class 1 measurements are carried out.