Machine technical sheet

Brand: Hitachi Koki Co., Ltd
Model: DH40MR
Type: Rock drills and rotary hammers
Built in: n.d.
Weight: 6.5 kg
Power: 0.95 kW
Power supply: Electrical (220V-380V)
Anti-vibration devices: Absent
Source of the data: Acquisito sul campo da misuratore

Manuale di istruzioni ed uso acquisito in sede di misura/censimento

(La redazione non risponde di eventuali modifiche e/o aggiornamenti apportati dal costruttore)


Declared values as set forth in the standard IEC EN 60745-2-6:2003
CONDITIONS	MATERIAL	ACCESSORY	VALUE	K⁽¹⁾	Note
Drilling	Concrete	Pick, moil point	15.7 m/s²	1.5	Drilling into concrete

_{(1) Expanded uncertainty}

Measurements in the field (Click to view the measurements in the field)

18.2 m/s²

WORK ACTIVITY: DEMOLITION
WORKED MATERIAL: Concrete
ACCESSORY: Pick, moil point
SECTOR: Building constructions

Reference person: CPT Perugia ([email protected])
Location: MASSA MARTANA (PG) on 19/06/2007
Features of the accessory: Pick, moil point

Values related to the vibration worst case handle ( Right )

A _hx (Mean) 14.2 m/s²	A _hy (Mean) 5 m/s²	A _hz (Mean) 7.5 m/s²	A _{hv sum} 16.8 m/s²
Standard deviation 0.72 m/s²	Standard deviation 0.81 m/s²	Standard deviation 0.52 m/s²	Standard deviation x 1,645: 1.38 m/s²
Mean + Standard deviation: 14.9 m/s²	Mean + Standard deviation: 5.8 m/s²	Mean + Standard deviation: 8 m/s²	A _{hv sum} + (Dev. std. x 1,645): 18.2 m/s²

31.9 m/s²

WORK ACTIVITY: DEMOLITION
WORKED MATERIAL: Mortar
ACCESSORY: Chisel
SECTOR: Building constructions

Reference person: CPT Cagliari ([email protected])
Location: Cagliari - Via Flumentepido on 13/09/2006
Features of the accessory: Chisel

Values related to the vibration worst case handle ( Posterior )

A _hx (Mean) 24.6 m/s²	A _hy (Mean) 10 m/s²	A _hz (Mean) 16.4 m/s²	A _{hv sum} 31.2 m/s²
Standard deviation 1.68 m/s²	Standard deviation 2.45 m/s²	Standard deviation 0.91 m/s²	Standard deviation x 1,645: 0.72 m/s²
Mean + Standard deviation: 26.3 m/s²	Mean + Standard deviation: 12.5 m/s²	Mean + Standard deviation: 17.3 m/s²	A _{hv sum} + (Dev. std. x 1,645): 31.9 m/s²

17.3 m/s²

WORK ACTIVITY: DRILLING
WORKED MATERIAL: Concrete
ACCESSORY: NOT ASSESSED
SECTOR: Building constructions

Reference person: CPT Perugia ([email protected])
Location: GUBBIO (PG) on 05/03/2007
Features of the accessory: NOT ASSESSED

Values related to the vibration worst case handle ( Right )

A _hx (Mean) 10.7 m/s²	A _hy (Mean) 4.5 m/s²	A _hz (Mean) 8.9 m/s²	A _{hv sum} 14.6 m/s²
Standard deviation 1.49 m/s²	Standard deviation 0.15 m/s²	Standard deviation 1.03 m/s²	Standard deviation x 1,645: 2.71 m/s²
Mean + Standard deviation: 12.2 m/s²	Mean + Standard deviation: 4.7 m/s²	Mean + Standard deviation: 9.9 m/s²	A _{hv sum} + (Dev. std. x 1,645): 17.3 m/s²