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15
EN
TECHNICAL SPECIFICATIONS
Maximum noise and vibration levels
Model
TB
250 J
TB
250 JD
TB
250 D
TB
320
TB
320 D
TB
420
TB
420 D
Operator ear noise pressure level • dB(A)
with line cutter head 93.5 93.5 93.5 96.82 96.82 95.2 95.2
Measurement uncertainty 2.5 2.5 2.5 2.5 2.5 2.5 2.5
with 3-point blade 94.5 94.5 94.5 96.67 96.67 95.4 95.4
Measurement uncertainty 2.5 2.5 2.5 2.5 2.5 2.5 2.5
Measured acoustic output level dB(A)
with line cutter head 103.2 103.2 103.2 108.8 108.8 106.3 106.3
Measurement uncertainty 2.5 2.5 2.5 2.5 2.5 2.5 2.5
with 3-point blade 102.3 102.3 102.3 107.2 107.2 106.9 106.9
Measurement uncertainty 2.5 2.5 2.5 2.5 2.5 2.5 2.5
Guaranteed sound power level dB(A) 112 112 112 114 114 114 114
Vibrations transmitted to the hand on the front handgrip (“MONO”) • m/sec
2
with line cutter head 8.87 8.46 7.78
Measurement uncertainty 1.5 1.5 1.5
with 3-point blade 3.93 4.15 4.70
Measurement uncertainty 1.5 1.5 1.5
Vibrations transmitted to the hand on the rear handgrip (“MONO”) • m/sec
2
with line cutter head 4.87 6.40 6.20
Measurement uncertainty 1.5 1.5 1.5
with 3-point blade 2.32 8.70 5.16
Measurement uncertainty 1.5 1.5 1.5
Vibrations transmitted to the hand on the left handgrip (“DUPLEX”) • m/sec
2
with line cutter head 10.40 10.40 7.87 7.34
Measurement uncertainty 1.5 1.5 1.5 1.5
with 3-point blade 3.992 3.992 4.11 4.12
Measurement uncertainty 1.5 1.5 1.5 1.5
Vibrations transmitted to the hand on the right handgrip (“DUPLEX”) • m/sec
2
with line cutter head 5.46 5.46 6.36 5.76
Measurement uncertainty 1.5 1.5 1.5 1.5
with 3-point blade 2.34 2.34 8.71 4.58
Measurement uncertainty 1.5 1.5 1.5 1.5
21


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