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Quick Details

Place of Origin: China (Mainland)
Brand Name: WUHAN JOHO
Model Number: JOHO305

Specifications

Helmet Mounted Firefighting Infrared Thermal Camera JOHO 305
 
With wireless conductivity and IR thermal imaging technology, IRT305 helmet mounted firefighting infrared thermal camera can be applied in dense smoke, mist, dust, darkness, intensive noisy and some adverse conditions, offering clear thermal images and reliable voice communication and ensuring image transmission. It has been widely applied in firefighting, emergency response rescue, fight-terrorism warfare and other fields.
Features& Benifits
  • With advanced dentophonics, rescuer can rely on the good voice communication quality with airline mask on
  • High sensitivity, imaging clearly, quickly detect object through smoke, mist, dust and darkness, and measure its real time temperature, alarming automatically when it exceeds the preset temperature
  • Two hands free design to greatly improve rescue efficiency in detection and rescue
  • Anti-maloperation, waterproof, dustproof, high reliability, super miniaturization, light weight, simple operation
  • OLED display, convenient for observation and fine display
  • Human target intelligent recognition ensures more accurate and faster rescue

DR Performance

DR Performance
Human
Vehicle
Detection range
≥300m
≥400m
Recognition range
≥150m
≥200m



Technical Data
 
Detector
Detector materials
Uncooled FPA
Pixels
320×240
Pitch
38μm×38μm
Spectral range
8μm~14μm
NETD
≤50 mK (F#0.7)
Optics
Focus length
20mm
FOV
33.8° x 25.7°
Image Presentation
Frame rate
25Hz
Image processing
DDE, AGC
Video output
PAL
Display
Monocular OLED display
Connector
BNC, standard 6m cable
Power System
Voltage
9~24VDC
Power dissipation
≤3.5W
Environmental
Ambient temperature
-20°C~+65°C
Storage temperature
-40°C~+70°C
Physical Characteristics
Dimension
70mm×70mm×80mm
Weight
450g