The Ranger HRC is a high-resolution mid-wave thermal imaging system built around a large format 640×512 array and a choice of powerful continuous-zoom telescopes. Available in its standalone, environmentally hardened enclosure, the system can also integrate an optional high-magnification CCD-TV camera, laser rangefinder, and digital magnetic compass.
| Field of view;continuous optical zoom | 2° (H) x 1.5° (V) to 25° (H) x 18.8° (V) with 22 x 275 mm lens 1.1 (H)° x 0.84° (V) to 14.1° (H) x 10.5° (V) with 39 x 490 mm lens 0.75° (H) x 0.56° (V) to 9.4° (H) x 7.0° (V) with 59 x 735 mm lens 0.5° (H) x 0.38° (V) to 6.3° (H) x 4.7° (V) with 88 x 1100 mm lens |
|---|---|
| Spatial resolution (IFOV) | 0.67 mrad for 22 mm lens – 0.055 mrad for 275 mm lens 0.383 mrad for 39 mm lens – 0.031 mrad for 490 mm lens 0.256 mrad for 59 mm lens – 0.020 mrad for 735 mm lens 0.17 mrad for 88 mm lens – 0.014 mrad for 1100 mm lens |
| Thermal sensitivity | 25 mK |
| Detector type | MWIR: Indium Antimonide (InSb) or Mercury Cadmium Telluride (MCT) |
| Array format | 640×512/640×480 |
| Field of view | 12.5x continuous zoom and four preset positions |
| Focus | One shot auto focus and manual focus |
| Continuous digital zoom | Yes, up to 16x |
| Image processing | Tunable Digital Detail Enhancement (DDE), Histogram Equalization |
| Built-in test (BIT) | Yes |
| Window defrost | Yes |
| Auto front lens cover whenparked | Yes |
| Remote control | RS-232, RS-485 and Ethernet |
| Analog video | PAL / NTSC selectable |
| Input voltage | 28 V ± 4V |
| Power consumption | 35 W typical (steady state) < 125 W maximum with heaters |
| Camera weight | 9.5 kg |
| Camera size (L x W x H) | 475 x 235 x 194 mm |
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