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Emission values for sound and vibration
(Two-figure – specifications as per ISO 4871)
Sound emission
MSf
843-1a
(**)
MSf
843-1b
(**)
MSf
843-1c
(**)
MSfo
849-1b
(**)
MSfo
849-1b
(**)
MSfov
852-1
(**)
MSfov
852-1-180
(**)
A-weighted emission pres-
sure power level measured
at the workplace
L
pA
(re 20 μPa), in decibels
87
92
92
90
92
94
94
Measuring uncertainty
K
pA
,
in decibels
3
3
3
3
3
3
3
Measured A-weighted sound
power level
L
wA
(re 1 pW),
in decibels
76
81
81
79
81
83
83
Measuring uncertainty
K
wA
,
in decibels
3
3
3
3
3
3
3
C-weighted peak sound
pressure level measured at
the workplace
L
pCpeak
, in
decibels
91
98
95
95
100
97
97
Measuring uncertainty
K
pCpeak
, in decibels
3
3
3
3
3
3
3
Vibrations
Weighted acceleration, in
–
m/s
2
–
ft/s
2
0.5
1.6
2.1
6.9
4.5
14.8
0.6
2.0
4.3
14.1
3.6
11.8
3.6
11.8
Measuring uncertainty
K
, in
–
m/s
2
–
ft/s
2
1.5
4.9
1.5
4.9
1.5
4.9
1.5
4.9
1.5
4.9
1.5
4.9
1.5
4.9
REMARK: The sum of the measured emission value and respective measuring inaccuracy represents the
upper limit of the values that can occur during measuring.
Wear hearing protection!
Measured values determined in accordance with the corresponding product standard.
Sound emission
MSfo
852-1C
(**)
MSfo
852-1d
(**)
MSfo
869-1c
(**)
MSfo
869-1d
(**)
MSfo
870-1c
(**)
MSfo
870-1d
(**)
A-weighted emission pressure power
level measured at the workplace
L
pA
(re 20 μPa), in decibels
92
92
94
95
96
96
Measuring uncertainty
K
pA
, in decibels
3
3
3
3
3
3
Measured A-weighted sound power level
L
wA
(re 1 pW), in decibels
81
81
83
84
85
85
Measuring uncertainty
K
wA
, in decibels
3
3
3
3
3
3
C-weighted peak sound pressure level
measured at the workplace
L
pCpeak
,
in decibels
95
95
100
100
100
100
Measuring uncertainty
K
pCpeak
,
in decibels
3
3
3
3
3
3
OBJ_BUCH-0000000342-001.book Page 10 Wednesday, March 6, 2019 3:14 PM