Machine technical sheet

Brand: Hitachi Koki Co., Ltd
Model: DH50SA1
Type: Rock drills and rotary hammers
Built in: n.d.
Weight: 9.8 kg
Power: 1.14 kW
Power supply: Electrical (220V-380V)
Anti-vibration devices: Absent
Source of the data: Acquisito sul campo da misuratore


Declared values as set forth in the standard EN 50144-2-6 ( x 2,0 Hammer drilling, Chiseling, Drilling without impact - x 1,5 Breaking concrete/masonry )
CONDITIONS	MATERIAL	ACCESSORY	VALUE	K⁽¹⁾	Note
NOT ASSESSED	NOT ASSESSED	NOT ASSESSED	11.5 m/s²

_{(1) Expanded uncertainty}

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

11.3 m/s²

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

Reference person: CPT Torino ([email protected])
Location: TORINO (TO) on 18/12/2006
Features of the accessory: Pick, moil point

Values related to the vibration worst case handle ( Posterior )

A _hx (Mean) 9.5 m/s²	A _hy (Mean) 2.7 m/s²	A _hz (Mean) 4.6 m/s²	A _{hv sum} 10.9 m/s²
Standard deviation 0.12 m/s²	Standard deviation 0.22 m/s²	Standard deviation 0.37 m/s²	Standard deviation x 1,645: 0.39 m/s²
Mean + Standard deviation: 9.6 m/s²	Mean + Standard deviation: 2.9 m/s²	Mean + Standard deviation: 5 m/s²	A _{hv sum} + (Dev. std. x 1,645): 11.3 m/s²

17.2 m/s²

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

Reference person: CPT Cagliari ([email protected])
Location: Sestu (CA) on 22/03/2007
Features of the accessory: Chisel

Values related to the vibration worst case handle ( Anterior )

A _hx (Mean) 4.2 m/s²	A _hy (Mean) 9.5 m/s²	A _hz (Mean) 13.5 m/s²	A _{hv sum} 17 m/s²
Standard deviation 0.13 m/s²	Standard deviation 0.06 m/s²	Standard deviation 0.14 m/s²	Standard deviation x 1,645: 0.24 m/s²
Mean + Standard deviation: 4.3 m/s²	Mean + Standard deviation: 9.6 m/s²	Mean + Standard deviation: 13.6 m/s²	A _{hv sum} + (Dev. std. x 1,645): 17.2 m/s²