Ariens Apex 48 Operator's Manual page 44

CE Sound and Vibration (Ref. EN ISO 5395-1:2013)
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
90
2.53
1.19
1.60
0.80
0.62
0.31
EN - 40
89
2.50
104
1.00
105
2.23
1.12
0.55
0.28