IF3500 is a self-developed fiber optic inertial navigation system with small size and high accuracy, which can achieve self north finding at 0.1°. The system consists of a fiber optic gyroscope with zero bias stability of 0.015°/h, a high-precision quartz accelerometer, and a full system multi frequency satellite module supporting Beidou function. This product can independently search for north navigation and also supports single and dual antenna combinations. Equipped with excellent navigation fusion algorithms, optimized for satellite occlusion, multipath interference, and other situations.
Part No, :
IF3500Order(MOQ) :
11. Product specification
System accuracy |
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Heading |
0.05 ° (single antenna dynamic alignment), 0.1 ° (low dynamic dual antenna assistance, 2m baseline) 0.04 ° (post-processing, 1 σ) |
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Attitude |
0.02 ° (real-time 1 σ), 0.01 ° (post-processing 1 σ) |
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Position |
Single point positioning: ≤ 1.2m (RMS), RTK: 2cm+1ppm (RMS) |
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Velocity accuracy |
0.02m/s (carrier speed less than 500m/s) |
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Data update rate |
Integrated navigation: 1-200Hz (configurable), GNSS: 1-5Hz (configurable) |
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Accuracy of odometer combination |
0.5% mileage (depending on the accuracy of the external odometer) |
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Accuracy of heave measurement |
5cm or 1% |
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Start time |
≤10s |
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Alignment time |
1-2 minutes (depending on dynamic maneuvering mode) with dual antenna assistance |
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Dual antenna assisted directional time ≤ 1 minute |
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Loss of lock situation (typical value) |
Lost lock time |
Location (meters) |
Heading (°) |
Attitude (°) |
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Real time |
Post processing |
Real time |
Post processing |
Real time |
Post processing |
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60s |
0.603 |
0.022 |
0.009 |
0.002 |
0.001 |
0.001 |
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300s |
3.373 |
0.176 |
0.020 |
0.004 |
0.002 |
0.002 |
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600s |
10.52 |
2.036 |
0.036 |
0.006 |
0.003 |
0.003 |
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Main device performance |
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top |
range |
±300°/s |
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Zero bias stability |
Low precision: ≤ 0.5 °/h (10s average, 1 σ) High precision: ≤ 0.06 °/h (10s average, 1 σ) |
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Accelerometer |
range |
±10g |
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Zero bias stability |
Low precision: ≤ 100ug High precision: ≤ 30ug |
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Physical characteristics |
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Power supply |
24V DC (rated) (12~32V DC), power consumption:< 24W |
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Temperature |
-40 ℃~+60 ℃ (working), -40 ℃~+70 ℃ (storage) |
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Shock vibration |
20g, 11ms, half sine |
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20-500Hz, vibration acceleration 5g |
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Physical dimensions |
189mm × 169mm × 133mm (± 0.5mm) (excluding connectors) |
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Weight |
<3.5kg (excluding cables) |
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Protection level |
IP65 |
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Interface characteristics |
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Interface method |
4-channel serial port (transmission rate 9600-460800bps, configurable): 2 channels (RS232/RS422 customizable), 1 channel RS232, 1 channel RS422. 2-channel PPS signal: 1-channel differential, 1-channel LVTTL. 1st CAN2.0b, 1st road network entrance. |
2. Product dimension
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