BL57 High resolution linear encoder
Incremental optical linear encoder with interferometric principle
Description
The BL57 is a high-resolution, exposed linear encoder with interferometric operating principle in transmitted light design. The BL57 has a graduation period of 1.6µm and generates a sinusoidal signal period of 400nm due to the laserscale operating principle. This allows resolutions of up to 6.1pm. to be achieved. Due to the high response speed of up to 3m/s, it is perfectly suited for high-precision and fast X/Y stages.
- Precision measuring instruments
- Precision measuring instruments
- Components and accessories for measurement and control instruments
- interferometry
Product characteristics
- Measuring lengths
- 30mm - 1060mm
- Accuarcy
- +/-0,5µm to +/-1,5µm depends on measuring length
- Max. resolution
- 6,1pm
- Grating pitch
- 1,6µm
- Signal pitch
- 400nm
- Output signal
- 1Vpp, TTL, BISS-C, USB, 40bit binary
- Reference mark
- 1
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