Easson GS90 Optical Miniature Linear Encoder for Small Lathe Machine
Product display
Product Specification
| | GS90 |
| 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 |
| Measurement Travel | 50-500mm | Every 50mm per length Spec. up to 500mm |
| Accuracy | 50-500mm | ±10μm |
| Repeatability | 5μm (0.005mm) |
| Hystersis | 5μm (0.005mm) |
| Protection | IP 53 |
| Power supply | DC 5V ± 5% |
| Output Signal | TTL |
Installation Dimensions
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 |
Product Description
Advanced Optical Measuring System
working principle:
It works according to the principle of physical formation of moiré fringes. Moiré fringe takes the transmission grating as an example. When a small angle θ is formed between the line pattern on the indicator grating and the line pattern on the scale grating, and the two grating scale facets are placed relatively parallel, under the illumination of the light source, on the almost vertical grid pattern, light and dark stripes are formed.
Sealing Lip
The plastic seals of GS series scales use an innovative material to offer superior oil resistance, high elastic recovery properties and durability, carefully designed lips geometry offer low slide resistance.
Aging Test
The Aging test can verify whether the process, design, material and other aspects are defective. Therefore, we can using this testing promptly revises the product design to improve product quality and service life.
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.
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