HJK-FK
The HJK‑FK infrared thermal imaging camera is specially designed to monitor operating conditions such as nozzle flame, clinker movement trajectory, and ring formation position inside the kilns and furnaces. It features high temperature resistance, corrosion resistance, and maintenance‑free operation, enabling real‑time display of various complex conditions inside the kilns and furnaces. Equipped with normal compressed air purging for the camera probe, it is suitable for use in various positive pressure kilns and furnaces.

The HJK-FK provides critical real-time moni-
toring of temperature distribution and
heat profiles inside industrial
furnaces and kilns.
It enables precise control of the firing process, ensuring optimal product quality and en-
ergy efficiency by detecting hot spots, cold zones, or refractory lining damage. This
non-contact inspection technology is essential for predictive maintenance,
preventing unscheduled downtime, and enhancing operational safety.









- Detector
- Image processing and display
- Interface
- Others
- Lens
- Technical Parameter
- Certificates
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Detector typeuncooled focal plane detectorIR resolution640×480, 384×288Temperature measurement range50℃~2000℃Temperature measurement accuracy±2℃ or ±2%
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Color palettemultiple color palettes available, including white hot, black hot, iron red, rainbow, etc.Data format16-bit temperature data (full data stream)
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Protocol supportUDPNetwork protocolsupport ONVIF, RTSP, FTP, PPPOE, DHCP, DDNS, NTP, UPnP, TCPSupply voltageAC220V ±10%Automatic retraction protectionThe probe automatically retracts from the furnace in case of power failure, air supply interruption, over-temperature, or under-voltageRetraction stroke100~800 mm, customizable based on furnace wall thicknessInstallation DistanceMaximum distance from the device to the on-site control box is 15m
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Field probe power supply220VAC, 50/60Hz, 150W/setControl room power supply220VAC, 50/60Hz, 100WCompressed air temperature≤35°CCompressed air pressure≥0.4MPaCompressed air flow0.1~0.2m³/minCooling water temperature≤35°CCooling water pressure≥0.4MPaCooling water flow0.2~0.6L/min
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Focal length(mm) Resolution Field of view 3.3 mm 384 × 288 98°×76° 6 mm 640 × 480 104°×92° -

Certificates

OEM / ODM
Customized Solution
Including Different Lenses, Sensors, Circuit Boards, and Interfaces
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