TDLG46 Rugged Laser Gyroscope / Gyro System compact
ntroduction
The TDLG46 laser gyroscope is a small laser gyroscope developed for high dynamic, high shock, high vibration and low cost applications. The unique configuration and reinforcement technology makes the product compact and rugged, with excellent dynamic adaptability.
Feature
1,Good stability of scale factor
2,Strong resistance to shock overload
3,Insensitive to temperature and electromagnetism
4,Small volume, light weight, low cost
Application Scope
It is suitable for medium-precision navigation of short-range tactical missiles, guided artillery shells, long-range weapons, and wireless aircraft.
Main technical indicators
|
SN |
Item |
Parameters |
Description |
|
1 |
Jitter inherent frequency |
A type 730~745Hz |
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B type 695~710Hz |
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C type 645~665Hz |
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2 |
Accuracy range and grade classification |
<0.008°/h |
Ultra-precision grade |
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<0.010°/h |
High Precision Grade 1 |
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|
|
<0.015°/h |
High Precision Grade 2 |
|
3 |
Scale factor |
3.64 arcsec/pulse (original pulse) |
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|
1.82 arcsec/pulse (2x frequency) |
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4 |
Scale factor error |
<0.002°/h/gauss |
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5 |
Scale factor error (repeatability, non-linearity) |
<6ppm |
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6 |
Zero bias repeatability |
<0.0030°/h |
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7 |
Random walk factor |
<0.0030 °/√h |
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8 |
Magnetic sensitivity |
<0.0030 °/h/Gs |
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9 |
Temperature sensitivity |
<0.06°/h (full temperature range extreme) |
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|
10 |
Lifetime |
>45,000 hours (powered operation); >22 years (storage) |
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11 |
Random vibration |
9grms (normal operation, slight decrease in accuracy) |
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18grms (no damage) |
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12 |
Overload |
>50g (working normally, zero bias slightly increased) |
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13 |
Operating temperature |
-40~+70°C |
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14 |
Storage Temperature |
-50~+80 °C |
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|
15 |
Temperature change rate |
not more than 5℃/min is recommended, and it can withstand hundreds of temperature cycles without damage. |
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16 |
One time continuous working time |
more than 73h
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17 |
Start-up time |
less than 15s |
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18 |
Suggested starting voltage |
3000~3500V (pulse width>300ms) |
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19 |
Best current stabiliation value (single arm) |
0.55mA |
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20 |
Number of frequency stabiliation modes |
6~8 (300V) |
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21 |
Recommended parameters for chuck small jitter |
6V peak to peak, 2.3K frequency |
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|
22 |
Input axis misalignment angle |
<7′ |
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