Reference Gages
Square Master SERIES 311 — Squareness / Straightness Measuring Instrument
Technical Data Squareness:
• Squareness (perpendicularity) and straightness measurements can be performed accurately and efficiently by moving a lever. • With a dial test indicator for reading displacements. • Its own squareness is adjustable for high- accuracy measurement.
Refer to the list of specifications Refer to the list of specifications
Straightness:
Dial test indicator provided Range:
0.2mm
Graduation: Accuracy:
0.002mm
3µm
Optional Accessory –––––– :
Riser blocks (see page E-27.)*
900571 : 900551 : 900565 :
Adjustable holder Extension holder
Feeler** *Not available for 450mm model. **Adapter ( 902803 ) is required for metric model.
Adjustable holder No.900571
E
Unit: mm
ø6
311-215
311-225
311-245
SPECIFICATIONS Metric Vertical travel Order No.
50
Extension holder No.900551
Squareness Straightness Mass (kg)
311-215 311-225 311-245
Unit: mm
150mm 250mm 450mm
3µm
2µm
13.7
6µm 2.5µm 16.2
ø6
9µm 3.5µm
24
200
Feeler No.900565
Indicator holder
Unit: mm
88
Connector pin
Test indicator
Feeler
Connector pin
16
72
Indicator holder
Where to Buy
E-31
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