QH640MW is a small-sized mid-wave cooled thermal imaging core with SOFRADIR detectors which can be easily integrated into infrared systems that require extremely long distance detection and adaption to any harsh environment.

ApplicationStabilized airborne E/O payloads, Hand-Held Thermal Imager,Surveillance , Long-range compact imager.



  • HgCdTe Technology
  • 640 x 512 Pixel resolution
  • Continuous optical zooming, triple views, multiple lenses are optional
  • Autofocus
  • Formidable image processing ability
  • Multiple interfaces, easy integration
  • Compact design, Low power consumption


Detector Data
Detector typeMCT
Sensor Resolution640 x 512
Pixel Pitch15um
Spectral Band3~5um
NETD≤20mK@25 ℃/≤50mK@f1.0
Focal length Typical15mm~280mm continuous zoom lens
FOV 1.97°(H) ×1.58° ( V ) ~36.5°(H) ×29.2° ( V )
Lens Option: 15-300mm / 21-420mm / 30-660mm continuous zoom lens , 50/250mm dual-view lens
Imaging Performance
Analog video outputPAL
Digital video outputSLVDS/Camera Link
NUC correctionManual/Auto
Gain/Level ControlManual/Auto
Image enhancementAutomatic image filtering , DDE
PolarityWhite hot/Black hot
Digital Zoom X2/X4
Image flipFlip Vertical and Flip Horizontal
Cross CursorYes
Communication Interface
Serial InterfaceRS232/RS422
Power Systems
Power inputDC 24~36V
Power consumption 10 W (ambient; steady-state); /20 W (ambient peak)
Cool down time< 8 minutes typical
Operation Temp.-32 ℃ ~+60 ℃
Storage Temp.-40 ℃ ~+70 ℃
Random vibrationMIL-STD 810F Method 516.5 , 3 axis, 30 min/axis, 2.1g rms 10-500 Hz
ShockMIL-STD 810F Method 514.5, 30g, 11ms, 1/2 sinus, 2 shocks per axis
Physical Data
Weight≤ 1.6kg
Size(L x H x W)≤218mmx98mm x89mm