What acoustical characteristics do the Keysight PNA, PNA-L, and PNA-X meet?

The Keysight PNA and PNA-X and PNA-L models: N5241A/B, N5242A/B, N5244A/B, N5245A/B, N5221A/B, N5222A/B, N5224A/B, N5225A/B, N5231A/B, N5232A/B, N5234A/B, N5235A/B, and N5239A/B meet the Keysight Quiet office/lab/test space sound pressure and sound power specification when ventilation input temperature is below +28 degrees C.

All PNA, PNA-X, and PNA-L models comply with German Acoustic regulations:
Acoustic noise emission Geraeuschemission
LpA <70 dB LpA <70 dB
Operator position Am Arbeitsplatz
Normal position Normaler Betrieb
Per ISO 7779 Nach DIN 45635 t.19