Avionics B717 B757 MD80 MD90 INTEGRATING SOUND LEVEL METER Uses and Features Type 2240 is a Class 1 integrating-averaging sound level meter that measures time-average sound level as defined in the IEC 61672-1 standard. TAGS: 20 OEM PN:: TYPE2240 TOMX PN:: N/A Related posts Fuel tank access tableAntenna Connector ProtectorsTERMOHIGROMETER LOGGERPISTOLA DE CALOR BOSCHSLING UNIVERSAL HANDLINGLock – Leading Edge Slat…Interior Panel GageLock Aleron Actuator B757B717 LEADING EDGE COVER KITSLIDE SAFETY SIGN