HP DesignJet T100 and T500 Printer Series - User Guide
Acoustic specications
Declared noise emission levels for the HP DesignJet T100/T500 printer series. Sound Pressure Levels at
bystander positions and Sound Power Levels measured per ISO 7779.
Table 18-14 Printer acoustic specications
Idle sound power < 3.4 B (A)
Operating sound power 6.2 B (A)
Idle sound pressure < 16 dB (A)
Operating sound pressure 45 dB (A)
124 Chapter 18 Printer specications ENWW