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LinkSelf-compensating Magnescale Laserscale rotary encoder system that can be used as a calibration reference for a rotational axis while compensating for any errors in the installation tolerance.
Key features
- High angular accuracy [±0.2 arcsec] resulting from a Magnescale algorithm with 0.0012 arcsec resolution
- High reproducibility: Non contact design enables accurate measurements that are not affected by variations in installation tolerances
- Easy installation: Only 15 minutes from installation to measurement
- Portable measurement kit: Compact and easy to carry




Intelligent encoder can compensate its own errors. Magnescale original self- calibration algorithm “VEDA- method” *1 enables higher order correction with less heads, achieving up to 30th order compensation with only 6 heads at world-class high accuracy.
Laserscale allows high stability against environmental change such as pressure and temperature with the combination of high resolution, diffraction grating and a sensor head with symmetric optical path. Signal wavelength 1.24 arcsec = 6.0 μrad (250 nm on the circle of 42 scale) is electrically interpolated to the resolution of 0.0012 arcsec = 5.9 nrad (0.25 nm on 42) at the low noise level.

Model name | SET-HD100 |
---|---|
Detecting radius | 41.723 mm |
Maximum rotary response speed | 10 min-1 |
Number of scale wavelengths | 2^20 (1,048,576) / revolution |
Scale signal resolution | 1.236” arcsec |
Accuracy | Calibration condition : ±0.1” arcsec Mounting tolerance : ±0.2” arcsec |
Reference point | 1 point |
Output format | USB interface |
Interpolation factor | 2^10 (1,024) / revolution |
Total number of divisions | 2^30 (1,073,741,824) / revolution |
Signal Output resolution | 0.0012” arcsec |
Number of sensors | 6 sensors / unit |
Light source | Semiconductor laser × 6 Wave length790 nm, 5 mW or less / sensor |
Radiation power | EN60825: class 3B, JIS: class 3B, DHHS: class IIIb |
Operating temperature | +10 to +30°C (no condensation) |
Storage temperature | 0 to +50°C (no condensation) |
Power supply voltage | DC 20 to 24 V / 5 A (Max. 8 A) |
Dimension/Mass | Scale unit: Φ100×H8.5 mm / 300 g or less Head unit: Φ180×H46 mm / 3.8 kg or less Interpolator unit: 298×210×110 mm / 5kg or less |
The Laserscale uses a semiconductor laser. The laser beam is harmful to the human body, so please do not look into the detection head section. |
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