200 X 200MM MASTER LEVEL

Product Description

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.