Shenzhen Fire Power Control Technology Co., LTD
| Payment Terms | L/C,T/T |
| Supply Ability | 500/pcs |
| Delivery Time | 1 week for sample |
| Packaging Details | sponge+ carton |
| Output Type | RS422 |
| Weight | 2kg |
| Size | 115 × 90 × 110 mm |
| Power Supply | DC 12–24 V |
| Accuracy (1σ) | ≤ 0.3° (NF701A), ≤ 0.5° (NF701B) |
| Response Time | ≤ 3 min |
| Brand Name | Firepower |
| Model Number | NF701A |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 500/pcs |
| Delivery Time | 1 week for sample | Packaging Details | sponge+ carton |
| Output Type | RS422 | Weight | 2kg |
| Size | 115 × 90 × 110 mm | Power Supply | DC 12–24 V |
| Accuracy (1σ) | ≤ 0.3° (NF701A), ≤ 0.5° (NF701B) | Response Time | ≤ 3 min |
| Brand Name | Firepower | Model Number | NF701A |
| Place of Origin | China | ||
| High Light | RS422 output fiber optic gyroscope ，tunnel mining north seeker sensor ，fiber optic gyroscope with RS422 | ||
NF701 Fiber Optic North Finder delivers fast, accurate true-north orientation for navigation and targeting systems. Using a high-performance fiber optic gyroscope to detect the Earth’s rotation, it computes azimuth and attitude angles automatically within 3 minutes.
Compact (115 × 90 × 110 mm) and lightweight (≤2 kg), the system integrates a FOG, accelerometer, rotation control device, and embedded computing unit.
With north-seeking accuracy up to 0.3° (1σ) and power consumption of only 15 W, it’s ideal for UAVs, land vehicles, and shipborne systems requiring magnetic-free north finding. Operating temperature range is -40 °C to +70 °C, with RS-422 communication and DC 12–24 V power input.
Overall dimensions
Dimension (mm): 115 × 90 × 110
1.2 Main technical indicators
A) North seeking time: ≤ 3 min;
B) North seeking accuracy (1σ): ≤ 0.3 ° (NF701A); ≤ 0.5 ° (NF701B)
C) Horizontal accuracy: ≤ 0.05 ° (1σ);
D) Circumference: ≤ 0.5 ° (1σ)
E) Weight: ≤ 2 kg;
F) Power supply: DC 12V ~ 24V;
G) Power consumption: 15 W (peak);
H) Interface: RS422
I) Working mode: start automatic self-check after power on, control north seeking by the upper computer, and send north seeking results to the upper computer after north seeking is completed;
1.3 Environmental requirements
1) Working temperature: -40 ℃ ~ + 70 ℃;
2) Storage temperature: -55 ℃ ~ + 85 ℃.
3) Humid and hot environmental conditions: relative humidity is less than 95%.
4) Appearance: The metal surface shall be free of rust, and the coating shall be free of blistering, peeling, etc.
1.4 Electrical performance
Insulation resistance: the insulation resistance between the independent circuits of the fiber optic gyroscope north finder and between the circuit and the shell shall not be less than 10 MΩ under standard atmospheric conditions.
1.5 Reliability and maintainability
MTBF ≥ 1000 hours;
MTTR ≤30min.
1.6 External interface
1.6.1 With DC12 V ~ 24V power input.
1.6.2 With serial port output function.
1.8.3 External plug:
Interface Y50EX-0607TX2, see the table below for pin definition.
| Plug pin number | Functional definition |
| a | DC12 V ~24V |
| b | DC12 V ~24V GND |
| c | TD+ |
| d | TD- |
| e | RD+ |
| f | RD- |
| g | GND |
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2001
Total Annual:
10000000-15000000
Employee Number:
60~100
Ecer Certification：
Verified Supplier
Shenzhen Fire Power Control Technology Co., Ltd. is a professional manufacturer specializing in the production of electronic products and inertial devices, and providing technical consultation and export services. The company has a strong independent team. The technical team is comp... Shenzhen Fire Power Control Technology Co., Ltd. is a professional manufacturer specializing in the production of electronic products and inertial devices, and providing technical consultation and export services. The company has a strong independent team. The technical team is comp...
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