Comparison

Precision Level Comparison

Precision Square Level

   

Grade AA

 

Grade A

 

Grade B

Grade standard'

(JIS A more)

(JlSB7511)

(JlSB7511)

Class 1

Class 2

Class 3

Class 1

Class 2

Class 3

Class 1

Class 2

Class 3

Class 1,2,3

Indication accuracies of the main bubble Tube

Full Range accuraciea.

   ±0.2 graduations under.

±0.5 graduations under.

±0.3 graduations under.

±0.7 graduations under.

±0.5 graduations under.

±2 graduations under.

Adjacent accuracy.

0.2graduations under.

0.2graduations under.

0.5graduations under.

 -----

Squareness between bottom face and apper face.

Per/1m 0.015?under.

Per/1m 0.025?under.

Per/1m 0.015?under.

Per/1m 0.025?under.

Per/1m 0.02?under.

Per/1m 0.035?under.

Per/1m 0.01?under.

Parallelism between aplane having V-Groove and V-groove.

0.5graduations under.

0.5graduations under.

0.5graduations under.

 -----

Parallelism between bottom face and apper face.

0.5graduations under.

0.5graduations under.

0.5graduations under.

0.01? under.

Flatness of bottom face, side faces.

0.003?under.

0.005? under.

0.003? under.

0.005? under.

0.003? under.

0.005? under.

0.01? under.


   

Precision Flat Level

   

Grade AA

 

Grade A

 

Grade B

Grade standard'

(JIS A more)

 (JlSB7511)

(JlSB7511)

Class 1

Class 2

Class 3

Class 1

Class 2

Class 3

Class 1

Class 2

Class 3

Class 1,2,3

Indication accuracies of the main bubble Tube

Full Range accuraciea.

   ±0.2 graduations under.

±0.5 graduations under.

±0.3 graduations under.

±0.7 graduations under.

±0.5 graduations under.

±2 graduations under.

Adjacent accuracy.

0.2graduations under.

0.2graduations under.

0.5graduations under.

 -----

Parallelism between aplane having V-Groove and V-groove.

0.5graduations under.

0.5graduations under.

0.5graduations under.

 -----

Flatness of bottom face.

0.003?under.

0.005? under.

0.003? under.

0.005? under.

0.003? under.

0.005? under.

0.01? under.


   

新潟理研測範株式会社(RSK)
〒949-7503
新潟県長岡市川口中山700-41
TEL:0258-89-4141
FAX:0258-89-4300

E-mail:info@n-rsk.jp

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