Japan, Magnescale
Magnescale BH20 Laserscale
Made in Japan
Manufacturer: Magnescale Co., Ltd.
Model: BH20
Features
- 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 | |||||
|---|---|---|---|---|---|
| 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. | |||||
| 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 | |
| |||||
