Magnescale SET-HD100 – calibration system | Innovative Measurement Technology Ltd.

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Self-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.

Magnescale_Set-HD100_laserscale_technology — Magnescale Set-HD100 laserscale technology

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.