Eyepiece Auto-collimator
Taylor Hobson - VA900
Model VA900 is ideal for measuring applications with 1 arcsecond accuracy, popular in measuring and calibrating graduated heads, other angle devices....
Gọi (+84) 828 31 08 99 để được tư vấn.
Technical Description
- Accuracy to 1 arc second
- Wide range of accessories for different applications
- Sturdy design, easy to use with 2-axis display
- Wide measuring range ± 900 arc seconds
Specifications
| Overview | ||||||
| TYPE CODE | TA60 | VA900 | TA51 | Ultra | Ultra HP | |
| 142-10 | 112-2208 | 142-13 | 142-201 | 142-204 | ||
| Best accuracy* | sec | 6 | 1 | 0.5 | 0.2 | 0.1 |
| Accuracy over total range | sec | 30 | 1 | 2 | 0.4** | 0.2** |
| Range of measurement | min | 60x60 | – | 10 | ||
| ± 900 | ||||||
| sec | – | (± 1500ext) | – | 1800x1200 | 300x300 | |
| Range in eyepiece | sec | 10,8 | 2,8 | 1,14 | N/A (laser sighting aid used) | |
| Direct reading to | sec | 60 | 0.5 | 0.2 | 0.001 | 0.0001 |
| Working distance*** | m | 0.5 | 1 | 9 | 5 | 5 |
| for full measuring range | ft | 1.5 | 3 | 30 | 15 | 15 |
| Maximum working distance | m | 3 | 5 | 20 | 20 | 10 |
| ft | 9 | 15 | 60 | 60 | 30 | |
| Readout means | Graticule | Micrometer | Micrometer | Digital PC | Digital PC | |
| & raticule | Display | Display | ||||
| Measurement axes | 2 | 2 | 2 | 2 | 2 | |
| Light source for measurement | 6V 2 Watts | 6V 2 Watts | 6V 2 Watts | Infra-red | Infra-red | |
| Lamp | Lamp | Lamp | LED | LED | ||
| Barrel diameter approx | mm | 25 | 38 | 57 | 57 | 57 |
| in | 1 | 1.5 | 2.25 | 2.25 | 2.25 | |
| Approximate overall length | mm | 150 | 330 | 420 | 420 | 490 |
| in | 6.2 | 13 | 16.5 | 16.5 | 19.5 | |
| Approximate weight | kg | 0.5 | 1.7 | 4.8 | 5 | 5 |
| lb | 1.1 | 3.8 | 10.5 | 11 | ||
