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Concentric Circles — NE42, NE43, NE44, NE47
Can be used for two-way measurement when calibrated as a micrometer.

Concentric Circles and Cross Scales — NE48

Concentric Circle — NE22

Guage Pairs — NE19
Gauge pairs occupying a field of view of 10mm. Each gauge is proportional to its adjacent number. The approximately size of the smallest pair = 0.1mm.

Protractors — NE25, NE45

包裝樣式

NE19 Gauge Pairs

Eyepiece Reticle with 10 Pairs of Gauge Lines in a 10mm image area. Each Pair is proportional to its adjacent number. Size of smallest pair about 0.1mm (100µm)

Line Thickness	0.006mm +/-0.002mm
Glass Type and Thickness	Soda Lime 1.5mm thick
Line Tolerance (Inside Edge)	+/-0.003mm
Diameter Tolerance	+0/-0.1mm
Line Lengths	0.5mm
Orientation	Correct reading through glass

NE22 Concentric Circles 0.5mm-12mm

Eyepiece Reticle with 24 Concentric Circles with clear segment, ranging in size 0.5mm to 12mm diameter in 0.5mm steps.

Line Thickness	0.021mm +/-0.003mm
Glass Type and Thickness	Soda Lime 1.5mm thick
Overall Tolerance	+/-0.005mm
Diameter Tolerance	+0/-0.1mm
Orientation	Correct reading through glass

NE42 Concentric Circles 0.25mm-2.5mm

Eyepiece Reticle with 10 Concentric Circles ranging in size from 0.25mm to 2.5mm diameter in 0.25mm steps. 5th circle has dashed lines

Line Thickness	0.008mm +/-0.002mm
Glass Type and Thickness	Soda Lime 1.5mm thick
Overall Tolerance	+/-0.005mm
Diameter Tolerance	+0/-0.1mm
Cross Line Length	5.25mm approx.
Orientation	Correct reading through glass

NE43 Concentric Circles 0.5mm-5mm

Eyepiece Reticle with 10 Concentric Circles ranging in size from 0.5mm to 5mm diameter in 0.5mm steps. 5th circle has dashed lines

Line Thickness	0.008mm +/-0.002mm
Glass Type and Thickness	Soda Lime 1.5mm thick
Overall Tolerance	+/-0.005mm
Diameter Tolerance	+0/-0.1mm
Cross Line Length	12.5mm approx.
Orientation	Correct reading through glass

NE44 Concentric Circles 1mm-10mm

Eyepiece Reticle with 10 Concentric Circles ranging in size from 1mm to 10mm diameter in 1mm steps. 5th circle has dashed lines

Line Thickness	0.016mm +/-0.003mm
Glass Type and Thickness	Soda Lime 1.5mm thick
Overall Tolerance	+/-0.010mm
Diameter Tolerance	+0/-0.1mm
Cross Line Length	23.0mm approx.
Orientation	Correct reading through glass

NE47 Concentric Circles 2mm-20mm

Eyepiece Reticle with 10 Concentric Circles ranging in size from 2mm to 20mm diameter in 2mm steps. 5th circle has dashed lines

Line Thickness	0.024mm +/-0.003mm
Glass Type and Thickness	Soda Lime 1.5mm thick
Overall Tolerance	+/-0.010mm
Diameter Tolerance	+0/-0.1mm
Cross Line Length	To outside diameter
Orientation	Correct reading through glass

NE48 Concentric Circles 1mm-10mm + Crossline Scales

NE48 Concentric Circles 1mm-10mm + Crossline Scales

Line Thickness	0.017mm +/-0.003mm
Glass Type and Thickness	Soda Lime 1.5mm thick
Overall Tolerance	+0/-0.1mm
Diameter Tolerance	+0/-0.1mm
Divisional Marker Lengths	0.6mm, 0.4mm, 0.2mm
Orientation	Correct reading through glass

NE25 Half Protractor

Eyepiece Reticle with 180º Protractor, 10mm diameter subdivided into 1º divisions. Also has a 10mm horizontal scale with 0.5mm divisions.

Line Thickness	0.013mm +/-0.003mm
Glass Type and Thickness	Soda Lime 1.5mm thick
Overall Tolerance	+/-0.007mm
Diameter Tolerance	+0/-0.1mm
Orientation	Correct reading through glass

NE45 Full Protractor

Eyepiece Reticle with 360º Protractor with 1º divisions and 10mm diameter. Centrally located.

Line Thickness	0.012mm +/-0.003mm
Glass Type and Thickness	Soda Lime 1.5mm thick
Diameter Tolerance	+0/-0.1mm
Orientation	Correct reading through glass