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| Model | HT-H8 | HT-H9 |
| Display screen | 3.5" full angle TFT display screen | 3.5" full angle TFT display screen |
| Display screen resolution | 640*480 | 640*480 |
| Infrared image resolution | 384*288 | 640*480 |
| visible image resolution | 300,000 pixel | 300,000 pixel |
| Field angle/shortest focus length | 20°x15°/0.19m | 20°X15°/ 0.19m |
| Thermal sensitivity | 0. 05°C | |
| Temperature measurement range | -20°C to 300°C (-4° F to 572° F) | |
| Measurement accuracy | ±2% / ±2°C | |
| Emissivity | Adjustable from 0.01 to 1.0 | |
| Frame rate of thermal images | 30Hz | |
| Wavelength coverage | 8-14um | |
| Focus mode | Fixed | |
| Color palette | Rainbow, iron oxide red, cold color, black & white, white & black | |
| View option | The integration of thermal image with 25% step length and visible image. | |
| Storage medium | Built-in 3G (above 2 million image stored) | |
| File format | JPG | |
| USB | Micro USB 2.0 | |
| Power supply | Built-in chargeable 26650 battery | |
| Automatic power-off time | Selectable: 5 minutes/20 minutes/ not power off automatically | |
| Product size(length x width x height) | 97mmx129mmx256mm | |
| Work temperature | 0°Cto 45°C | |
| Storage temperature | -20°C to 60°C | |
| Relative humidity | <85%RH | |
| Model | HT-H8 | HT-H9 |
| Display screen | 3.5" full angle TFT display screen | 3.5" full angle TFT display screen |
| Display screen resolution | 640*480 | 640*480 |
| Infrared image resolution | 384*288 | 640*480 |
| visible image resolution | 300,000 pixel | 300,000 pixel |
| Field angle/shortest focus length | 20°x15°/0.19m | 20°X15°/ 0.19m |
| Thermal sensitivity | 0. 05°C | |
| Temperature measurement range | -20°C to 300°C (-4° F to 572° F) | |
| Measurement accuracy | ±2% / ±2°C | |
| Emissivity | Adjustable from 0.01 to 1.0 | |
| Frame rate of thermal images | 30Hz | |
| Wavelength coverage | 8-14um | |
| Focus mode | Fixed | |
| Color palette | Rainbow, iron oxide red, cold color, black & white, white & black | |
| View option | The integration of thermal image with 25% step length and visible image. | |
| Storage medium | Built-in 3G (above 2 million image stored) | |
| File format | JPG | |
| USB | Micro USB 2.0 | |
| Power supply | Built-in chargeable 26650 battery | |
| Automatic power-off time | Selectable: 5 minutes/20 minutes/ not power off automatically | |
| Product size(length x width x height) | 97mmx129mmx256mm | |
| Work temperature | 0°Cto 45°C | |
| Storage temperature | -20°C to 60°C | |
| Relative humidity | <85%RH | |
