Model | HT-18 | HT-19 |
Display screen | 3.2 ″ full angle TFT display screen | 3.2 ″ full angle TFT display screen |
Infrared image resolution | 220×160 | 320×240 |
visible image resolution | 300,000 pixel | 300,000 pixel |
Field angle/shortest focus length | 27°x35°/0.15m | 26°x34°/ 0.15m |
Thermal sensitivity | 0.07℃ | |
Temperature measurement range | -20℃ to 300℃ (-4°F to 572°F) | |
Measurement accuracy | ±2% / ±2℃ | |
Emissivity | Adjustable from 0.01 to 1.0 | |
Frame rate of thermal images | 9Hz | |
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 18650 battery | |
Automatic power-off time | Selectable: 5 minutes/20 minutes/ not power off automatically | |
Product size(length × width × height) | 90mm×105mm×223mm | |
Product weight | 389g | |
Work temperature | 0℃to 45℃ | |
Storage temperature | -20℃ to 60℃ | |
Relative humidity | < 85%RH |