Ariens 991314 Operator's Manual page 44

CE Sound and Vibration (Ref. EN ISO 5395-3:2013 + A1:2017 + A2:2018)
Oper. Ear Sound Pressure (Lpa) in db(A)
Uncertainty in db(A)
Measured Sound Power Level (Lwa) in db(A)
Uncertainty in db(A)
Guaranteed Sound Power Level (Lwa) in db(A)
Vibration Measure (m/s
Uncertainty in m/s
Vibration Measure (m/s
Uncertainty in m/s
2
) at Operator Hands
2
2
) at Operator Seat
2
EN - 40
91
2.55
104
1
105
2.55
1.28
0.556
0.278