Product TOP
Compact, reflective rotary Laserscale featuring high accuracy, high resolution and high response speed. Ideal for high-resolution angle measuring in HDD manufacturing equipment, precision measuring instruments, and aspheric surface processing machines.
- Signal pitch : 250 nm
- High response speed : 1,800 mm/s
160 min-1 (when using r = 41 mm scale)
555 min-1 (when using r = 12 mm scale) - High resolution : 236/rotation
(when using r = 41 mm scale, 216 divisions)
=0.09 nrad - Available with/without reference point
- Thin head with thickness of 12 mm
- Interpolators with various resolutions and output modes available (BD96)
- Special vacuum-compatible models available
Specifications
| Detector head Specifications | ||
|---|---|---|
| Model | BH20-RED | BH20-NED |
| Measuring length (linear / rotary) | – | |
| Scale accuracy (at 20 °C) | – | |
| Signal pitch | 250 nm | |
| Reference point | With reference point | None |
| Reference point detection direction | Single direction | None |
| Detection principle | Diffraction grating scanning system | |
| Light source | Semiconductor laser : Wavelength 790 nm, Output 6 mW | |
| Operating temperature | +10 to +30 °C (no condensation) | |
| Storage temperature | 0 to +50 °C (no condensation) | |
| Max. response speed (*1) | 1,800 mm/s | |
| Signal scale (BE10) Specifications | |||||
|---|---|---|---|---|---|
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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. Magnescale reserves the right to change product specifications without prior notice. |
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| Detection radius | 12.032 mm | 27.073 mm | 36.097 mm | 41.723 mm | |
| External form | Internal diameter | 8.5 mm | 37 mm | 57 mm | 68 mm |
| External diameter | 27 mm | 60 mm | 78 mm | 89 mm | |
| Grating pitch | 1.0 µm | ||||
| Number of output pulse of one rotation |
302,400 | 680,400 | 907,200 | 1,048,576 | |
| Max. response speed (*1) | 1,428 min-1 | 634 min-1 | 476 min-1 | 411 min-1 | |
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Dimensions
Instruction manual
Catalog
| BH20 Series | Japanese |  |
|---|---|---|
| BH20 Series | English | |