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Product Details:
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| NAME: | Digital Linear Scale | KEYWORD: | Digital Readout Linear Scale |
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| Meas. Standard: | 0.02 Mm | Meas. Length: | Within 1250 Mm |
| Display Resolution: | 5 µm | Structure: | Vertical 5 Bearings Support System |
| Power: | DC 5V ± 5% | Output Signal: | RS422 |
| High Light: | Measuring Machine Absolute Linear Encoder,0.02mm Absolute Linear Encoder,0.02mm absolute linear scale |
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Built in Compensation Data VA Series Absolute Linear Encoder For Measuring Machine
Product Specification
| VA10 | VA11 | VA12 | VA13 | VA20 | VA21 | VA22 | VA23 | ||
| 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 per length Specification | Not available | ||||||
| 1300-3000mm | Not available | Every 100mm per length Specification | |||||||
| 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
VA10 / VA11 / VA12 / VA13 Series
VA20 / VA21 / VA22 / VA23 Series
Connector interface
Gold-plated pins to avoid poor connection and Anti-corrosion, it has the small PCB inside the connector which allow the VA series Absolute Linear Scale built in the Laser compensation data and directly connect to our LCD DRO, ensure the high measuring accuracy.
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 |
Product Description
Advanced Optical Measuring System
The VS / VA series scales slide carrier, five bearing design and six spring for optical grating linear transducer, make sure the VA scales not effected by installation, the spring can adjust the angle when the operator install not good for the alignment.
VA scale has a small PCB inside the 9 PIN connector, the laser compensation data is store inside, with our LCD Digital display unit, the compensation data will directly load the ECF file (compensation file) into the DRO, accuracy up to ±2μm.
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
Each linear scale is printed with a QR code, which is convenient for users to view the accuracy report of the factory inspection.
Easson Measurement Technology Ltd. was established since 1995, is a manufacturer in design and manufacturing precision measuring equipment such as CNC Video Measurement Systems, Optical Profile Projector, Digital Readout System(DRO), CNC Linear encoder glass scale.. With the policy of “Always Committed to Quality, Technology & Innovation ” We offer the best reasonable price for the excellent products to our customers.
Contact Person: Tony
Tel: 86-15820566978
Fax: 86-756-7511215
