Wuhan JOHO Technology Co., Ltd
WUHAN JOHO TECHNOLOGY CO., LTD Electro-optical Infrared Products Manufacturer
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1. Technical Specification
1.1 Feature
1) Thermal Camera
| Automatic shutter correction after power-on. Auto correction is not allowed after image appears, but manual correction is allowed |
| Menu function with focus, DDE, polarity setting, E-zoom, etc |
| Polarity setting(BH/WH) |
| 2×,4× E-zoom |
| Image enhancement DDE |
| Power consumption:≤2W@25℃ |
| Communication : RS232 serial port, there is corresponding serial port command for each button operation |
| Starting time for sensor<10s |
2) Structure
| Compatible with 640, 320 sensor |
| Compliant with ergonomic design |
3) Battery
| 7.4V,1500~1800mAh( two pieces 18650) |
| satisfied with -40℃ working requirement |
1.2 Performance
1) Range performance
| Range performance | Human(1.8×0.5m) | Vehicle(2.3×2.3m)
| Vessel (10m²) |
| Detection | 0.5km | 0.8km | 1.8km |
| Recognition | 0.25km | 0.4km | 0.9k |
2) Parameter
| Detector | Type | Vox Uncooled FPA |
| Pixel | 640×512 | |
| Spectral band | 8~14µm | |
| Pixel size | 17µm | |
| Lens | Focal length | 35mm |
| Focus | Motor-driven | |
| F# | F 1.0 | |
| FOV | 17.81°× 14.25° | |
| Thermal | NETD | ≤50mk@25℃ |
| image performance | Image enhancement | Auto image filter, DDE |
| AGC | Auto/Manual brightness contrast adjustment | |
| Image | BH/WH | |
| E-zoom | 2×, 4× | |
| Image display | Eyepiece module | 800×600 OLED adjustable diopter |
| Storage card | Built-in 32G | |
| Storage type | Photo shooting/video shooting, with time stamp | |
| Capacity | >9000 images/2 hours | |
| Format | JPG | |
|
Power supply system | Battery type | Chargeable Li-battery |
| Working time | No less than 4hours | |
| Charge type | Power supply adapter | |
| External power supply | DC12V | |
|
Physical | Weight | ≤800g (subject to final design) |
| Dimension | ≤300×80×80mm (subject to final design) | |
| Electrical interface | Power supply, video PAL, communication RS232, USB | |
| Mechanical interface | 1/4’’ standard interface | |
|
Environmental | Working temperature | -40℃~﹢60℃(except external monitor) |
| Working humidity | Up to 95%RH | |
| IP level | IP67 | |
| Environmental test | Complying with GJB150 standard |
Company Profile
Wuhan JOHO Technology Co., Ltd founded in 2009, is a high-technology company based on infrared thermal imaging technology. Joho has built a complete infrared industrial chain from the bottom up: from core component to comprehensive electro optical infrared surveillance and tracking system.We have two R & D base in Hubei Zhongxiang and Wuhan City, well-known institutions of higher learning and research institutions at home and abroad.
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Customer Distribution
Service Process
Products
Our products includes thermal security cameras, electro-optics/infrared search and track system (EO/IR search and track system) and EO surveillance system, surveillance radar, laser range finder, fiber optical gyro, special power sources (thermal battery and silver-zinc battery Ag-zn battery) and OEM solutions,Personalized products and services to provide customers with a significant advantage. Due to the high quality of our products and reliable performance, Joho products are widely used in different applications, security and surveillance, law enforcement, maritime patrol, fishery administration, surveying and mapping and so on.
Advantages
Certificate & Honor