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Fiber-optical gyro is used the principle of interference of Sagnac, make the laser as light source, light path of loop type is constructed by fiber, and inspect phase differences of two routes laser beam, the phase differences was caused by two beam (two beam from the pro and con hour hand was transmitted along optical fiber)rotated along with fiber loop, then will calculate the rate of angular speed of the optical gyroscope.
Fiber-optical gyro, its characteristic is that quickly start-up, extensive dynamic range, long life-span, good stability etc. it is suitable to be used in high precise measurement/ navigation system and servo system.
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Model |
||||
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Performance |
ER-F1 |
ER-F2 |
ER-F3 |
ER-F4 |
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Dimension |
82×82×38mm |
70×70×30mm |
82×82×45mm |
92×92×45mm |
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Weight |
≤400 g |
≤300 g |
≤450 g |
≤400 g |
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±(5±0.1)V Power consumption: ≤5W |
±(5±0.1)V Power consumption: ≤5W |
±(5±0.1)V Power consumption: ≤5W |
±(5±0.1)V Power consumption: ≤5W |
|
|
Power consumption |
≤5W |
≤5W |
≤5W |
≤5W |
|
Time of starting work (normal temperature) |
≤5s |
≤10s |
≤10s |
≤10s |
|
Time of starting work (high or low temperature) |
≤25s |
≤25s |
≤25s |
≤25s |
|
Interface form |
RS422 BOUND:614400 |
RS422 BOUND:460800 |
RS422 BOUND:38400 |
RS422 BOUND:38400 |
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Scale factor nonlinearity |
<100(PPM) |
<100(PPM) |
<30(PPM) |
<30(PPM) |
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Refreshing rate of data |
1ms |
1ms |
10 ms |
10 ms |
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Random drift |
(0.1~0.3)°/h(1σ) |
(1~3)°/h(1σ) |
(0.1~0.3)°/h(1σ) |
(0.1~0.3)°/h(1σ) |
|
0.005°/ |
0.005°/ |
0.005°/ |
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Bandwidth |
≥100 Hz |
≥100 Hz |
≥100Hz |
≥100 Hz |
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Measurement range |
±400°/s |
±400°/s |
±400°/s |
±400°/s |
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Threshold values |
0.004°/s |
0.002°/s |
0.0005°/s |
0.0005°/s |
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Operating temperature |
-45℃~+70℃ |
-45℃~+70℃ |
-45℃~+70℃ |
-45℃~+70℃ |
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