Machine technical sheet

Brand: Hitachi Koki Co., Ltd
Model: G12S2
Type: Straight, vertical and angle grinders
Built in: n.d.
Weight: 1.6 kg
Power: 0.8 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 50144-2-3 ( x 2,0 Cutting - x 1,5 Grinding - x 1,0 Polishing )
CONDITIONS	MATERIAL	ACCESSORY	VALUE	K⁽¹⁾	Note
NOT ASSESSED	NOT ASSESSED	NOT ASSESSED	2.5 m/s²

_{(1) Expanded uncertainty}

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

5.9 m/s²

WORK ACTIVITY: GRINDING
WORKED MATERIAL: Stone
ACCESSORY: Abrasive disk
SECTOR: Building constructions

Reference person: CPT Torino ([email protected])
Location: TORINO (TO) on 18/12/2006
Features of the accessory: Abrasive disk

Values related to the vibration worst case handle ( Anterior )

A _hx (Mean) 3.3 m/s²	A _hy (Mean) 3.7 m/s²	A _hz (Mean) 2.8 m/s²	A _{hv sum} 5.7 m/s²
Standard deviation 0.25 m/s²	Standard deviation 0.4 m/s²	Standard deviation 0.05 m/s²	Standard deviation x 1,645: 0.23 m/s²
Mean + Standard deviation: 3.6 m/s²	Mean + Standard deviation: 4.1 m/s²	Mean + Standard deviation: 2.9 m/s²	A _{hv sum} + (Dev. std. x 1,645): 5.9 m/s²

7.8 m/s²

WORK ACTIVITY: CUTTING
WORKED MATERIAL: Concrete
ACCESSORY: Abrasive disk
SECTOR: Building constructions

Reference person: CPT Perugia ([email protected])
Location: TODI (PG) on 09/05/2007
Features of the accessory: Abrasive disk

Values related to the vibration worst case handle ( Left )

A _hx (Mean) 4.4 m/s²	A _hy (Mean) 4.1 m/s²	A _hz (Mean) 3 m/s²	A _{hv sum} 6.7 m/s²
Standard deviation 0.51 m/s²	Standard deviation 0.49 m/s²	Standard deviation 0.15 m/s²	Standard deviation x 1,645: 1.1 m/s²
Mean + Standard deviation: 4.9 m/s²	Mean + Standard deviation: 4.6 m/s²	Mean + Standard deviation: 3.2 m/s²	A _{hv sum} + (Dev. std. x 1,645): 7.8 m/s²