Precision Flat Level, Grade AA, A, B

PRECISION FLAT LEVEL

Grade AA, A and B are manufactured and inspected under the JIS B 7510 standard. Grade AA has ±0.2 scale all range accuracy in the main bubble Grade AA and Grade A have an insulating material which prevents heat transfering. Grade AA and Grade A have a bubble chamber in which the length of the

Grade AA, A and B are manufactured and inspected under the JIS B 7510 standard.
Grade AA has ±0.2 scale all range accuracy in the main bubble
Grade AA and Grade A have an insulating material which prevents heat transfering.
Grade AA and Grade A have a bubble chamber in which the length of the bubble is manually adjustable.

Flat Level

Work Measurement: Standard type

SIZE	W × H × D (mm)	Sensitivity (mm/m)	Net Weight (kg)
100	100 × 48 × 47	0.02 (4″ ) 0.05 (10″) 0.1 (20″)	0.8
150	150 × 48 × 47		1.3
200	200 × 48 × 47		1.7
250	250 × 48 × 47		2.3
300	300 × 48 × 47		2.8
450	450 × 52 × 50		4.5
600	600 × 52 × 50		6.0

Flat Level

Work Measurement: Grade AA and Grade A

SIZE	W × H × D (mm)	Sensitivity (mm/m)	Net Weight (kg)
150	150 × 45 × 49	0.02 (4″) 0.05 (10″) 0.1 (20″)	1.3
200	200 × 48 × 49		1.7
250	250 × 48 × 49		2.3
300	300 × 48 × 49		2.8

Flat Level

Work Measurement: Grade B

SIZE	W × H × D (mm)	Sensitivity (mm/m)	Net Weight (kg)
150	150 × 48 × 47	0.02 (4″) 0.05 (10″) 0.1 (20″)	1.3
200	200 × 48 × 47		1.7
250	250 × 48 × 47		2.3
300	300 × 48 × 47		2.8

	Code Number	Size	Sensitivity	Net Weight (kg)
Grade AA	542-1502AA	150	0.02	1.3
	542-2002AA	200		1.7
	542-2502AA	250		2.3
	542-3002AA	300		2.8
	542-1505AA	150	0.05	1.3
	542-2005AA	200		1.7
	542-2505AA	250		2.3
	542-3005AA	300		2.8
	542-1501AA	150	0.1	1.3
	542-2001AA	200		1.7
	542-2501AA	250		2.3
	542-3001AA	300		2.8
Grade B	542-1502A	150	0.02	1.3
	542-2002A	200		1.7
	542-2502A	250		2.3
	542-3002A	300		2.8
	542-1505A	150	0.05	1.3
	542-2005A	200		1.7
	542-2505A	250		2.3
	542-3005A	300		2.8
	542-1501A	150	0.1	1.3
	542-2001A	200		1.7
	542-2501A	250		2.3
	542-3001A	300		2.8
Gade A	542-1502B	150	0.02	1.3
	542-2002B	200		1.7
	542-2502B	250		2.3
	542-3002B	300		2.8
	542-1505B	150	0.05	1.3
	542-2005B	200		1.7
	542-2505B	250		2.3
	542-3005B	300		2.8
	542-1501B	150	0.1	1.3
	542-2001B	200		1.7
	542-2501B	250		2.3
	542-3001B	300		2.8
Standard Type	542-1002	100	0.02	0.8
	542-1502	150		1.3
	542-2002	200		1.7
	542-2502	250		2.3
	542-3002	300		2.8
	542-4502	450		4.5
	542-6002	600		6.0
	542-1005	100	0.05	0.8
	542-1505	150		1.3
	542-2005	200		1.7
	542-2505	250		2.3
	542-3005	300		2.8
	542-4505	450		4.5
	542-6005	600		6.0
	542-1001	100	0.1	0.8
	542-1501	150		1.3
	542-2001	200		1.7
	542-2501	250		2.3
	542-3001	300		2.8
	542-4501	450		4.5
	542-6001	600		6.0