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6. COMPARISONS WITH SIMILAR PRODUCTS
6-1. Specification Comparisons
*1 Depends on market
*2 Service life of carbon brushes in the
continuous rated load test
*3 Weight without cord, side handle, depressed-
center wheel, wheel nut, wheel washer and
wheel guard
L
H
G 18SH2
G 18U2
180
(7")
2000
1330
3500
8500
88
170
4.3 (9.48 lbs.)
4.4 (9.70 lbs.)
463 (18-7/32)
83 (3-9/32)
180
(7")
2000
1290
3400
8500
91
170
4.2 (9.26 lbs.)
4.3 (9.48 lbs.)
452 (17-25/32)
85 (3-11/32)
HITACHI
Maker
Model name
Capacity:
Depressed-center wheel dia. (mm)
Power input *1
(W)
Power output *1
(W)
Max. power output *1
(W)
No-load speed
(/min)
No-load sound pressure level (dB/A)
Service life of carbon brushes *2
(hr)
Weight *3
(kg)
(Actual weight)
(kg)
Dimensions
L mm (inch)
H mm (inch)
G 18SH
G 18U
180
(7")
2000
1220
3500
8500
86
120
4.3 (9.48 lbs.)
4.5 (9.92 lbs.)
463 (18-7/32)
83 (3-9/32)
180
(7")
2000
1110
3300
8500
92
160
4.2 (9.26 lbs.)
4.4 (9.70 lbs.)
454 (17-28/32)
92 (3-20/32)
C
B
G 23SF2
G 23U2
230
(9")
2000
1330
3500
6600
88
170
4.3 (9.48 lbs.)
4.4 (9.70 lbs.)
463 (18-7/32)
83 (3-9/32)
230
(9")
2000
1290
3400
6500
91
170
4.2 (9.26 lbs.)
4.3 (9.48 lbs.)
452 (17-25/32)
85 (3-11/32)
HITACHI
Maker
Model name
Capacity:
Depressed-center wheel dia. (mm)
Power input *1
(W)
Power output *1
(W)
Max. power output *1
(W)
No-load speed
(/min)
No-load sound pressure level (dB/A)
Service life of carbon brushes *2
(hr)
Weight *3
(kg)
(Actual weight)
(kg)
Dimensions
L mm (inch)
H mm (inch)
G 23SF
G 23U
230
(9")
2000
1220
3500
6600
86
120
4.3 (9.48 lbs.)
4.5 (9.92 lbs.)
463 (18-7/32)
83 (3-9/32)
230
(9")
2000
1110
3300
6600
92
160
4.2 (9.26 lbs.)
4.4 (9.70 lbs.)
454 (17-28/32)
92 (3-20/32)
C
B
Содержание G 18SH2
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