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4. Spcifications
Specification
Measuring length mm (inch)
Overall length mm (inch)
Max. travel mm (inch)
Scale accuracy (At 20 dC/68 dF)
Return error µm (µinch)
Repeatability µm (µinch)
_1
Temperature coefficient dC
Light source
Detecting mode
Operating temperature dC (dF)
Storage temperature dC (dF)
Supplied accessories
Scale measuring length
Instruction manual
M3 x 8 hex. socket-head cap screw
M3 x 12 hex. socket-head cap screw
M3 x 18 hex. socket-head cap screw
M4 x 8 hex. socket-head cap screw
Plain washer (nominal 3)
Plain washer (nominal 4)
Reference plate
Spacer
Scale clamp
Cable clamp
M4 x 8 small screw
Accuracy chart
Contents of the package
Detector head (incl. Head amplifier and Connector cable)
Scale
1 set of supplied accessories
BS77
Performance and functions
10, 30, 70, 120, 170, 220, 270, 320, 370, 420
48 mm (measuring length 10 mm)
68 mm (measuring length 30 mm)
Measuring length +26 mm (measuring length 70 to 420 mm)
Measuring length +2 mm (measuring length 10 and 30 mm)
Measuring length +10 mm (measuring length 70 to 420 mm)
NS type
Measuring length 10/30 mm
Measuring length 70/120 mm
Measuring length 170/220 mm : ± 0.15 µm or less
Measuring length 270 mm
Measuring length 320 mm
Measuring length 370 mm
Measuring length 420 mm
N type
Measuring length 10/30 mm
Measuring length 70/120 mm
Measuring length 170/220 mm : ± 0.35 µm or less
Measuring length 270/370 mm : ± 0.50 µm or less
Measuring length 420 mm
± 0.02 (0.78)
± 0.01 (0.39)
_1
(dF
)
_0.7 x 10
Semiconductor laser
Diffraction grating scanning
+10 to +30 (+50 to +86) (no moisture condensation)
_10 to +50 (+14 to +122)
10
30
70
1
1
1
2
2
—
2
2
2
2
2
2
—
—
6
4
4
2
—
—
6
—
—
1
—
—
_
—
—
2
1
1
1
1
1
1
1
1
1
: ± 0.03 µm or less
: ± 0.08 µm or less
: ± 0.20 µm or less
: ± 0.34 µm or less
: ± 0.39 µm or less
: ± 0.44 µm or less
: ± 0.06 µm or less
: ± 0.20 µm or less
: ± 0.65 µm or less
_6
_6
(0.39 x 10
)
120
170
220
270
1
1
1
1
—
—
—
—
2
2
2
2
2
2
2
2
8
8
8
10
2
2
2
2
8
8
8
10
1
1
1
1
2
2
2
2
3
3
3
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
320
370
420
1
1
1
—
—
—
2
2
2
2
2
2
10
12
12
2
2
2
10
12
12
1
1
1
2
4
4
4
5
5
1
1
1
1
1
1
1
1
1
13
(E)
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