Sound level ratings:
The following values were measured from an nf25, pumping water at 7 bar air pressure and fully open inlet and discharge ports. The readings were made at a distance of 1 (one) metre on the same level as the pump:
Without Neo-Muff Silencer
Front |
Left |
Right |
Behind |
84.2 dB(A) |
82.9 dB(A) |
82.4 dB(A) |
80.3 dB(A) |
With Neo-Muff Silencer
Front |
Left |
Right |
Behind |
77.8 dB(A) |
75.6 dB(A) |
75.3 dB(A) |
73.1 dB(A) |
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