AI EO/IR Gimbal TH-13551
40× continuous zoom + LWIR + multi-target AI
Model: TH-13551

Overview
TH-13551J is a two-axis gyro-stabilized dual-band EO/IR pod in a compact industrial form factor. It integrates a 40× continuous optical-zoom visible camera and an uncooled LWIR imager, plus latency compensation, AI recognition and multi-target tracking for ISR-oriented missions such as line inspection, accident survey, rescue, evidence collection and public-security operations.
Highlights
- Dual-band imaging: visible + LWIR
- 40× continuous optical zoom
- High-precision two-axis gyro stabilization
- AI recognition of person/vehicle/vessel/aircraft with multi-target tracking
- Latency compensation and adaptive performance under unstable networks
Key Features
- Dual-band imaging in visible and long-wave infrared
- High-precision two-axis stabilization isolating carrier azimuth and elevation motion
- Multiple modes: rate follow, angle follow, image tracking, geo tracking, scan, reset and more
- OSD overlay and picture-in-picture
- Simultaneous visible/IR photo and video recording
- Electronic image stabilization at sub-pixel level
- Deep-learning tracking with drift and occlusion robustness
- Link-latency compensation for precise lock on moving targets
- Automatic recognition of person, vehicle, vessel and aircraft with sticky tracking
- Multi-target tracking with keyboard target-ID lock
- Real-time sensor and system health monitoring
- Remote firmware upgrade via web interface
- Optical-window anti-fog and anti-icing
- Adaptive behavior under fluctuating network conditions
Specifications
| Visible camera | 0.4–0.9 μm; 1920×1080; 4.25–170 mm, 40× continuous optical zoom; HFOV 64.5°–2.1° |
|---|---|
| Uncooled LWIR | 8–14 μm; 640×512; 12 μm pitch; NETD ≤40 mK; 50 mm/F1.0; FOV 8.8°×7° |
| Servo | Az N×360°; El -110°–+40°; stabilization ≤50 μrad; angle accuracy ≤1 mrad; rate ≥60°/s; accel ≥150°/s² |
| Single-target tracking | Generic targets; ≥32 px/frame; update ≥50 FPS |
| Multi-target recognition | Person/vehicle/vessel/aircraft; recall ≥90%; precision ≥80%; min 32×32 @1080p; ≥20 tracks; jump ≤15%; ≥20 FPS |
| Video & storage | JPEG / MP4; H.264/H.265; record 5–30 FPS; RTSP/UDP; 128 GB onboard |
| Network stream | Adaptive bitrate; 128–8000 kbps; configurable resolution/frame/FPS |
| Power | 18–32 VDC (surge protected); avg 30 W; peak 100 W |
| Interfaces | Serial (RS422/RS232/TTL) + 100 Mbps Ethernet; video over 100 Mbps Ethernet |
| Environment | Operating -40°C to +60°C; storage -45°C to +70°C; shock >20 g @11 ms |
| Size / weight | ≤3.1 kg (with damper); ≤Φ155 mm × 217 mm |
| Visible range (ref.) | Person: detect 6.5 km / recognize 1.6 km; vehicle: detect 17 km / recognize 9.8 km |
| IR range (ref.) | Person: detect 1.4 km / recognize 0.5 km; vehicle: detect 6 km / recognize 2.1 km |

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