Precise True North Finder Fiber Gyro Based North Seeker
▶ Instructions
1 Installation method
Facing the gyro north finder arrow, the left and right sides of the mounting base plate are for mounting the reference surface, and the reference surface is aligned with the mounting head and tail line of the carrier, and the gyro north finder is fixed on the carrier by four M4 screws. The installation diagram of the gyro north finder is shown in Figure 1.
| Project | NF-B03A | NF-B03B | NF-B03C | NF-102A | NF-102B | NF-102C |
| Output mode | Screen display/mobile phone APP host computer software RS422 | RS422/RS232 |
| Power consumption /W | ≤3(Laser on);≤1.2(Laser off) | ≤3(Laser on);≤1(Laser off) |
| Power source/V | Standby for 18h with explosion-proof battery | DC9V~26V |
| Operating temperature/℃ | 0~+40 | -20~+60 |
| North seeking time/min | ≤3 | ≤3 |
| North seeking accuracy/o | ±0.1 | ±0.1 |
| Pitch accuracy/° | ±0.1 | ±0.1 |
| Roll angle accuracy/° | ±0.1 | ±0.1 |
| Tilt adaptability/° | ±15 | ±15 |
| Overall dimensions/mm | 135x135x85 | 60x60x60 |
| Weight /g | ≤1500 | ≤400 |
| Heading angle tracking measurement accuracy | 0.5°(5min) | 0.5°(5min) |
| Measurement accuracy of pitch angle tracking | 0.1°(5min) | 0.1°(5min) |
| Roll angle tracking measurement accuracy | 0.1°(5min) | 0.1°(5min) |
| IP | IP55 | IP65 |
▶ Use maintenance
1) If the gyro north finder is found to have a starting current greater than 1A during use, check whether the power supply voltage meets the requirements. If the inspection is correct, the professional should be repaired.
2) If the gyro north finder is found to have no serial port data output during use, check whether the connection is correct, whether the serial port setting and data receiving format are correct. If the check is correct, the professional should be repaired.
▶ Precautions
1) The gyro north finder should be handled gently during the transportation process and installation process, and it is strictly forbidden to impact.
2) The carrier should be kept absolutely stationary during the north seeking process, otherwise it will affect the accuracy of north seeking.
3) The longitudinal and lateral inclination of the carrier should be no more than ±8°, otherwise it will affect the accuracy of north seeking.
▶ Composition
The equipment package includes:
a) 1 set of fiber optic gyro north finder;
b) One plug.
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Precise True Gyro North Finder Fiber Gyro Based North Seeker RS422 Images
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