UAVs Navigation Digital BSD120 | Lightweight inertial navigation sensor

As a new type of all-solid state gyro, fiber optic gyroscope has the advantages of fast start, wide measurement range and high reliability. Poseidon BSD120 uniaxial precision fiber optic gyroscope can be applied to the application requirements of high precision inertial navigation system, such as land positioning orientation, vehicle north finding instrument, airborne navigation posture and Marine gyro.

With fast startup, a wide dynamic range, and strong resistance to vibration and shock, it is suitable for demanding applications such as UAV navigation, autonomous vehicles, and industrial automation.

Featuring digital closed-loop technology, Poseidon BSD120 is a high-performance fiber optic gyroscope (BSD) engineered for precision and versatility, it delivers excellent zero-bias stability of 0.01º/h to 0.05º/h with 10s smoothing, alongside a compact design (98mm×98mm×35mm, ≤470g). Designed for rugged environments, it boasts rapid startup, wide dynamic range, and exceptional resistance to vibration/shock, making it ideal for high-precision inertial navigation systems, vehicle-mounted positioning.

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Product Description

Technical specifications

Key Benefits at a Glance

Vibration-resistant | gyroscope UAVs Navigation Digital BSD120

Built for engineers seeking uncompromising accuracy in a compact, battle-tested package, BSD120 is the smart choice for next-generation navigation and stabilization. Upgrade your system’s intelligence today. Engineered for precision and durability, this gyroscope boasts a simplified structure, wide dynamic range, and rapid startup time, ensuring reliable performance even in the most demanding environments. Its exceptional resistance to vibration and shock makes it a robust solution for a wide range of advanced applications.

Engineered for Precision & Adaptability:

● Precision Closed-Loop Control: Utilizing digital closed-loop feedback technology, it achieves a zero-bias stability of 0.006°~0.015°/h (10-second smoothing) and an angular random walk (ARW) ≤0.0005°/√h, meeting the demands for precise measurement in high-dynamic environments.

● Compact Structural Design: The all-solid-state package measures 120×120×35mm and weighs ≤840g, breaking through the size limitations of traditional gyroscopes and making it ideal for installation in confined spaces. Optimized optical path design and winding processes enhance reliability by 30%.

● Full Environmental Adaptability: Featuring four-state square wave modulation technology, the dynamic range reaches ±300°/s, and it operates in a wide temperature range of -40℃.

Parameters	Unit	BSD120A	BSD120B
Input Range	°/s	±1000	±1000
Bias Stability	°/h 10S	≤0.003	≤0.006
Bias Repeatability	°/h	≤0.003	≤0.006
Random Walk Coefficient	° /√ h	≤0.0003	≤0.0006
Scale Factor Non-linearity	ppm	≤2	≤5
Scaling Factor Repeatability	ppm	≤2	≤5
Scale Factor Asymmetry	ppm	≤2	≤5
Startup Time	s	≤ 1	≤ 1
Bandwidth	Hz	>200	>200
Power Supply	V	±5(Single power supply -5 , +5 available)
Power	W	≤ 6	≤ 6
Operating Temperature	℃	-40~65	-40~65
Storage temperature	℃	-50~80	-50~80
Vibration	Hz, g²/Hz	20~2000,0.06
Shock	g , ms	30,11	30,11
Data Refresh Date	Hz	200~2000	200~2000
Baud Rate	bps	115200~921600
Output Mode	/	broadcast (default)/triggered (customized)
Interface	/	RS-422	RS-422
Connector	/	J30J-15ZKP	J30J-15ZKP
Dimensions	mm	120x120x35
Weight	g	840	840

Key Benefits at a Glance

● Reliable Accuracy: Digital closed-loop technology ensures zero-bias stability of 0.02º/h to 0.2º/h for reliable performance in demanding applications.

● Compact & Lightweight: 35% smaller footprint than industry equivalents, perfect for compact UAVs and embedded systems.

● High Precision & Wide Dynamic Range: 0.01º/h stability ensures error-free navigation, even under extreme motion.

● Versatile Integration: Delivers consistent accuracy across diverse operational scenarios.Compatible with GPS, IMUs, and AI-driven systems for next-gen autonomy.

Perfect for:

● Servo Tracking & Inertial Navigation

● High-Speed Rail Track Inspection

● Electro-Optical Pods & Mobile SATCOM

● Unmanned Vehicles (Drones, Ships, etc.)

Whether for military, aerospace, or industrial automation, with Wide Dynamic Range and High Impact Resistance, BSD120 offers precision, reliability, and compactness in one cutting-edge solution. Elevate your navigation solution everyday!

AGV
Autonomous vehicle
Gimbal
Helicopter
Industrial vehicle
Pipe inspection
ROV
Train
Tunnels and mining
Land vehicles
UAV
Airborne sensors:
Optronic
Radar
EM
UGV
High & low velocity guided & unguided systems
Pointing & designation for land platforms
Missile
Your system

Key Features

Digital Closed-Loop Technology

Minimizes drift and noise, enabling <0.05º/h bias stability for ultra-reliable navigation. Our BSD120 features a built-in adaptive filter that significantly enhances performance, slashing bias stability and angle random walk (ARW) by 80%. This feature delivers unmatched precision and dependability.

Temperature Resilience

Compact Design: Measures just 70mm×70mm×32.5mm, making it easy to integrate into space-limited systems.

Compact & Lightweight

Fast Startup & Strong Vibration/Shock Resistance. Compared to traditional electromechanical gyros, BSD120 features a simpler structure, no moving parts, and no wear components, resulting in faster start-up times, reduced maintenance, and a smaller footprint. Engineered for strong resistance to vibration and shock, ensuring reliability in challenging environments.

Designed for Precision Applications

Including servo tracking, inertial navigation, railway inspection, electro-optical pods, mobile SATCOM, and unmanned vehicles.

Why Choose Poseidon BSD120?

● Cutting-Edge Navigation Systems: Provides core angular rate sensing for ultra-high-precision inertial navigation systems (INS), supporting fully autonomous positioning in GNSS-denied environments. Suitable for spacecraft attitude control and deep-sea navigation for nuclear submarines.

● Dynamic Vehicle Positioning: An ideal choice for vehicle/aircraft positioning and orientation systems. With RS422 digital interface, it enables millisecond-level data exchange, meeting the real-time pose calculation needs of high-speed platforms (>200km/h).

● Precision Measurement Fields: Supports high-precision equipment such as geodetic surveying systems and oil well inclinometers, enabling azimuth reference transmission at the 0.001° level. Applicable to geological exploration, tunnel boring, and other engineering scenarios.

● Lower Total Cost: Reduced maintenance (no moving parts) and 50,000+ hour lifespan cut downtime. It’s perfect for integration into systems where space and weight are limited. Offers the performance of high-end gyros at an affordable price.

● Versatile: Choose Poseidon BSD120

Future-Proof Performance: Ideal for a wide range of uses, from inertial navigation and servo tracking to unmanned vehicles and railway inspection. Suitable for a wide range of military and industrial applications. Upgradable firmware and modular interfaces (RS422, CAN,and so on). Built to withstand vibration, shock, and harsh environments, ensuring durability and long-term reliability. Proven technology ensures consistent performance in harsh environments.