| Model | ET 239 | ET 269 |
| Infrared resolution | 384x288 | 640x512 |
| Detector type | Vanadium oxide uncooled focal plane | Vanadium oxide uncooled focal plane |
| Temperature measurement range | -20℃ - 500℃ | -20℃ - 500℃ |
| Temperature measurement accuracy | ±3℃ or ±3% | ±3℃ or ±3% |
| Lens focal length | 9.1mm | 9.1mm |
| Field of view | 28.4°×21.5° | 45.7°×37.3° |
| Wavelength range | 8 - 14μm | 8 - 14μm |
| Pixel spacing | 12μm | 12μm |
| NETD | (f/1.0, 50Hz, 300K) <40 mk | NETD (f/1.0, 50Hz, 300K) <40 mk |
| Image frame rate | 25Hz | 25Hz |
| Emissivity | 0.01 to 1.0 adjustable | 0.01 to 1.0 adjustable |
| Focus adjustment | Manual adjustment | Manual adjustment |
| Temperature correction | Manual/automatic adjustment | Manual/automatic adjustment |
| Temperature measurement point | Minimum/center point/maximum value | Minimum/center point/maximum value |
| Point temperature measurement | Regional temperature measurement | Regional temperature measurement |
| Image correction | Manual adjustment | Manual adjustment |
| Support system | Android 6.0 and above | Android 6.0 and above |
| Color palette | White heat | White heat |
| Video/photo | Support | Support |
| Language | Chinese/English | Chinese/English |
| Power supply voltage | 3.8 - 5V (powered by external device) | 3.8 - 5V (powered by external device) |
| Interface type | Type-C | Type-C |
| Operating temperature | -10℃ - 50℃ | -10℃ - 50℃ |
| Storage temperature | -20℃ - 60℃ | -20℃ - 60℃ |
| Image/video format | PNG/MP4 | PNG/MP4 |
| Product size | 28.4*28.4*44.3mm | 28.4*28.4*44.3mm |
| Product weight | 53g±5g | 53g±5g |
ET 239/269
Temperature measurement module
ModelET 239ET 269Infrared resolution384x288640x512Detector typeVanadium oxide un
Pod Module
Technical Parameter
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