Machine technical sheet

Brand: MAKITA
Model: HR 4000C
Type: Rock drills and rotary hammers
Built in: n.d.
Weight: 6.2 kg
Power: 1.05 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	10 m/s²

_{(1) Expanded uncertainty}

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

13.5 m/s²

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

Reference person: CPT Perugia ([email protected])
Location: PERUGIA (PG) on 28/05/2007
Features of the accessory: NOT ASSESSED

Values related to the vibration worst case handle ( Left )

A _hx (Mean) 5.8 m/s²	A _hy (Mean) 5.6 m/s²	A _hz (Mean) 6.1 m/s²	A _{hv sum} 10.2 m/s²
Standard deviation 0.33 m/s²	Standard deviation 1.86 m/s²	Standard deviation 1.36 m/s²	Standard deviation x 1,645: 3.26 m/s²
Mean + Standard deviation: 6.1 m/s²	Mean + Standard deviation: 7.5 m/s²	Mean + Standard deviation: 7.5 m/s²	A _{hv sum} + (Dev. std. x 1,645): 13.5 m/s²

12.9 m/s²

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

Reference person: CPT Perugia ([email protected])
Location: GUBBIO (PG) on 30/05/2007
Features of the accessory: Chisel

Values related to the vibration worst case handle ( Right )

A _hx (Mean) 9.1 m/s²	A _hy (Mean) 4.1 m/s²	A _hz (Mean) 5.1 m/s²	A _{hv sum} 11.2 m/s²
Standard deviation 1.19 m/s²	Standard deviation 0.5 m/s²	Standard deviation 0.52 m/s²	Standard deviation x 1,645: 1.73 m/s²
Mean + Standard deviation: 10.3 m/s²	Mean + Standard deviation: 4.6 m/s²	Mean + Standard deviation: 5.6 m/s²	A _{hv sum} + (Dev. std. x 1,645): 12.9 m/s²

13.9 m/s²

WORK ACTIVITY: DRILLING
WORKED MATERIAL: Bricks (clay)
ACCESSORY: Pick, moil point
SECTOR: Building constructions

Reference person: CPT Cagliari ([email protected])
Location: Cagliari on 17/04/2007
Features of the accessory: Pick, moil point

Values related to the vibration worst case handle ( Anterior )

A _hx (Mean) 11.5 m/s²	A _hy (Mean) 5.9 m/s²	A _hz (Mean) 4 m/s²	A _{hv sum} 13.5 m/s²
Standard deviation 0.18 m/s²	Standard deviation 0.13 m/s²	Standard deviation 0.02 m/s²	Standard deviation x 1,645: 0.35 m/s²
Mean + Standard deviation: 11.7 m/s²	Mean + Standard deviation: 6 m/s²	Mean + Standard deviation: 4 m/s²	A _{hv sum} + (Dev. std. x 1,645): 13.9 m/s²