Japan, Magnescale
Magnescale BL50H Laserscale

Made in Japan
Manufacturer: Magnescale Co., Ltd.
Model: BL50H
Features
- Maximum resolution : 6.1 pm Maximum response speed : 5 m/s
- Wide angle tolerance of ±30 min
- Equipped with a long-life laser diode
- Low noise
- Excellent interpolation accuracy in combination with BD700
- 1.5D and 2D scales are also available
Specifications

1D Scale unit
| Specifications | ||
|---|---|---|
| Model | BL50H-SZ***** | BL50H-SA***** |
| Scale Material | ZERO glass 0.1 x 10-6/°C | Alkali-free glass 3.7 x 10-6/°C |
| Measuring length | 30 to 1,070 mm | |
| Grating pitch | 1.6 µm | |
| Reference point position | User definable (within the range of measuring length) or None | |
| Accuracy (at 20 °C) | ±0.5 µm / 30 to 120 mm, ±1 µm / 170 to 270 mm, ±3 µm / 320 to 670 mm (±1.5 µm with special specification), ±5 µm / 770 to 970 mm (±3 µm with special specification), ±5 µm / 1070 mm, ±0.2 µm / 1070 mm or less (with BD700 compensation) | |
| Interpolation accuracy | ±50 pm (with interpolator BD700) | |
1.5D/2D Scale unit
| Specifications | |||
|---|---|---|---|
| 2D scales larger than 300 mm x 300 mm are also available by special order. Please contact our sales department. (※) : (to 2mm) are special specifications. | |||
| 1.5D | 2D | ||
| ZERO glass | X | 30 to 770 mm | 300 mm x 300 mm in 50 mm increments for both X and Y |
| Y | Standard 1 mm (to 2 ㎜) (※) | ||
| Alkali-free glass | X | 30 to 770 mm | 300 mm x 300 mm in 50 mm increments for both X and Y |
| Y | Standard 1 mm (to 2 ㎜) (※) | ||
Head unit
| Specifications | ||
|---|---|---|
| (*) : Converted to A/B phase, serial interface of various companies, and analog output by BD700 interpolator | ||
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. | ||
| Model | BL50H-FS***D | BL50H-FS***H |
| Output signal | Interpolator BD700 connection (*) | Analog 1 Vp-p |
| Signal pitch | 400 nm | |
| Maximum resolution | 6.1 pm | - |
| Maximum response speed | 3 m/s (5 m/s with special handling) | 5 m/s |
| Clearance | ZERO glass : 3.4 ±0.2 mm, Alkali-free glass : 3.8 ±0.2 mm | |
| Angle tolerance | Yaw : ±8.7 mrad, Pitch : ±8.7 mrad, Rolling : ±8.7 mrad | |
| Head cable length | 1 m, 3 m, 6 m | 0.5 m, 1 m, 3 m |
| Operating temperature | +10 to +40 °C (No condensation) | |











