| Technical Data |
| | 875-1i | 875-2i |
| Infrared Image Output |
| Detector type | FPA 160 x 120 pixels, a.Si |
| Thermal sensitivity (NETD) | <80 mK at +30 °C(86°F) |
| Field of view/min. focus distance | 32° x 23° / 4” (standard lens), 9° x 7° / 20” (telephoto lens) |
| Geometric resolution (IFOV) | 3.3 mrad (standard lens), 1.0 mrad (telephoto lens) |
| Image refresh rate | 9 Hz |
| Focus | manual |
| Spectral range | 8 to 14 µm |
| Visual |
| Optical field/min. focus distance | - | 33° x 25° / 0.4 m |
| Image size | - | 640 x 480 pixels |
| Image Presentation |
| Image display | 3.5” LCD with 320 x 240 pixels |
| Display options | only IR image | only IR image/ only visual image/ IR and visual image |
| Video output | USB 2.0 |
| Color palettes | 4 options (ironbow, rainbow, blue/red, greyscale) |
| Measurement |
| Temperature range | -4 to 232°F (-20 °C to +100 °C) 32 to 536°F (0 °C to +280 °C), (switchable) |
| Accuracy | ±2 °C, ±2 % of rdg, (-4 °F to +536 °F) |
| Minimum diameter measurement point | 0.4” at 3 ft. (standard lens), 0.12” at 3 ft. (telephoto lens) |
| Setting emissivity | 0.01 to 1 |
| Reflected temperature compensation | manual |
| Imager Equipment |
| Digital camera | – | Yes |
| Standard lens (32° x 23°) | Yes |
| Telephoto lens (9° x 7°) | – | optional |
| Display of surface moisture distribution | – | yes (with manual data input) |
| Measuring functions | Center point | Standard measurement (1-point) |
| Image Storage |
| File format | .bmt; export options in .bmp, .jpg, .csv |
| Data storage device | 2 GB SD card (approx. 1000 images) |
| Power Supply |
| Battery type | Fast-charging, Li-ion battery can be changed on site |
| Operating time | 4 hours |
| Power Supply | In instrument/in charging station (optional) Yes |
| Physical Features |
| Weight | approx. 2 lbs |
| Dimensions (L x W x H) | 6” x 4.2” x 10.3” |
| Tripod mounting | Yes |
| Housing | ABS |