Grade AA, A and B are manufactured and inspected
under the JIS B 7510 standard.
( See P5. for further information on each grade. )
· Grade AA has ±0.2 scale all range accuracy in the
main bubble.
· These three types have less than 3m accuracy in
flatness between base and side. ( 0.02mm/m type )
· Squareness between base and both side is 0.015mm/m.
( 0.02mm/m for Grade A )
· Grade AA and Grade A have a bubble chamber in
which the length of the bubble is manually adjustable.
SAMRUDDHI INDUSTRIES
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