Zhuhai Easson Measurement Technology Ltd.
Easson Measurement Technology Ltd. Always Committed to Quality, Technology & Innovation
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High Speed 20 Nano Meter Optical Reflective Exposed Grating Measuring Linear scale
Product Specification
| GS 65 | ||
| Meas. Standard | 80 μm (0.08 mm) pitch grating glass | |
| Meas. System | Reflective Phased Array Optics System | |
| Reader Carriage | Non-Contact open grating carriage | |
| Resolution | 0.02 μm ( 20 nanometer ) | |
| Meas. Travel | 120 mm | G1: Standard length: 120 mm, user cut on demand |
| 500 mm | G2: Standard length: 500 mm, user cut on demand | |
| 1000 mm | G2: Standard length: 1000 mm, user cut on demand | |
| 1200 - 3000 mm | G3: Every 200 mm per specification | |
| Accuracy | 50 - 500 mm | ±3 μm / ±5 μm |
| 550 - 1000 mm | ±5 μm / ±10 μm | |
| 1200 - 3000 mm | ±10 μm / m | |
| Hysteresis | Included in accuracy | |
| Max. Speed | 180 m / min | |
| Power Supply | DC 5V ± 5% | |
| Output Signal | CPE-bus | |
| Output Connector | DSUB 9 | |
GS65 High Accuracy Reflective Open Grating Scale
GS65 is designed for high speed & high accuracy applications, i.e. Metrology equipment, vision measuring machines, length measuring machine, PCB drilling machine, coordinate measuring machine, linear motors ... etc. GS65's unique non-contact compensated Phased Array refelective open grating measuring system offers high precision backlish free position readings.
Product Features
Three accuracy grade in GS65: ±3 μm, ±5 μm, ±10 μm
Installation Dimensions
Thanks to the small reader head size, this makes your scale installation very easy and convenience. More than that, there are two types of installation direction fixing of reader head housing available for your choice.
TYPE A
TYPE B
Open Grating Glass Dimension
| Glass Dimension | High(mm) | Thick(mm) | Meas. Travel(mm) |
| G1 | 6.2 | 1.0 | 120 |
| G2 | 12 | 2.0 | 500 / 1000 |
| G3 | 12 | 3.0 | 1200 - 3000 |
Three dimension glass we can provide: they are 6.2mm x 1 mm glass, 12 mm x 2 mm glass, and 12 mm x 3 mm glass.
Connector interface
DSUB 9PIN
| PIN | TTL | |
| Signal | Cable | |
| 1 | A- | Yellow |
| 2 | 0V | White |
| 3 | B- | Red |
| 4 | GND | Silver |
| 5 | R- | Black |
| 6 | A | Green |
| 7 | 5V | Brown |
| 8 | B | Blue |
| 9 | R | Grey |