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| Categories | Optical Linear Encoders | 
|---|---|
| Brand Name: | Easson | 
| Model Number: | VS20 | 
| Certification: | CE | 
| Place of Origin: | P.R.China | 
| MOQ: | 1SET | 
| Payment Terms: | T/T | 
| Supply Ability: | 1500 PCS per Month | 
| Delivery Time: | 7 working days | 
| Packaging Details: | Plywood Case | 
| Name: | Milling Machine Dro For Sale | 
| Keyword: | Milling Machine Digital Readout | 
| Meas. standard: | 0.02mm | 
| Meas. length: | 1300-3000mm | 
| Display Resolution: | 0.005mm | 
| Warranty: | 13 Months | 
| Power Supply: | DC 5V | 
| Output Signal: | TTL | 
| Company Info. | 
| Zhuhai Easson Measurement Technology Ltd. | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Product Description
Advanced Optical Measuring System


The slide carrier of the VS / VA series scales, use a five bearing design and six spring for optical grating linear transducer, specially in long dimension scale like the large Lathe machine. The Accuracy is better than the GS20 series long scale.


Features:
a). The slide carrier of the scales, use a five bearing design and six spring for optical grating linear transducer
b). Can connect a positive press system to reach waterproof IP65.
c). Moving speed can more than 120m/min.
Aging Test
Optical Linear Scale's reader head need to test for 72 hours aging test before assemble, make sure all linear scale's quality is reliable.

Product Specification
| VS10 | VS11 | VS12 | VS13 | VS20 | VS21 | VS22 | VS23 | ||
| Measuring Standard | Glass Scale - Grating period: 20μm (0.02mm) | ||||||||
| Optical Detecting System | Transmissive Infrared System: wave length 880mm | ||||||||
| Slide Carrier System | Vertical five bearings supporting system | ||||||||
| Resolution | 5μm | 1μm | 5μm | 1μm | 5μm | 1μm | 5μm | 1μm | |
| Measurement Travel | 50-1200mm | Every 50mm | Not available | ||||||
| 1300-3000mm | Not available | Every 100mm | |||||||
| Accuracy | 50-450mm | ±3μm - ±5μm | -- | ||||||
| 500-800mm | ±10μm | ±5μm | ±10μm | ±5μm | -- | ||||
| 1050-2000mm | ±10μm | ±5μm | ±10μm | ±5μm | -- | ||||
| 1300-3000mm | -- | ±10μm/m | |||||||
| Repeatability | 2μm (0.002mm) | ||||||||
| Hystersis | 3μm (0.003mm) | ||||||||
| Protection | IP 53 | ||||||||
| Power supply | DC 5V ± 5% | ||||||||
| Output Signal | TTL | TTL | 422 | 422 | TTL | TTL | 422 | 422 | |
Installation Dimensions
VS10 / VS11 / VS12 / VS13 Series

VS20 / VS21 / VS22 / VS23 Series

Connector interface
DSUB 9PIN

| PIN | TTL | 422A | ||
| Signal | Cable | Signal | Cable | |
| 1 | —— | —— | A- | Yellow | 
| 2 | 0V | Orange | 0V | White | 
| 3 | —— | —— | B- | Red | 
| 4 | GND | GND | GND | GND | 
| 5 | —— | —— | R- | Black | 
| 6 | A | Yellow | A | Green | 
| 7 | 5V | Red | 5V | Brown | 
| 8 | B | Green | B | Blue | 
| 9 | R | Brown | R | Grey | 
100% Laser calibration

All glass grating transducers are individually inspected and calibrated by our in-house laser interferometer to ensure measuring accuracy comply 100% with the specifications.
Accuracy report in QR code

Each linear scale is printed with a QR code, which is convenient for users to view the accuracy report of the factory inspection.
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