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Product model | TD631 LRF |
Sensor | |
Type | Uncooled VOx Infrared Detector, 8 to 14 μm |
Resolution | 640 × 480, 12 μm |
NETD | ≤35mK |
Frame rate | 50 Hz |
Lens | |
Focal length | 35 mm; F1.0 |
Field of view | 12.5° × 9.4° |
Optical zoom | 1.7x |
Digital zoom | 1x, 2x, 4x and 8x |
Focus | Manual |
Display | |
Display type | 0.23’’ AMOLED |
Resolution | 640 × 400 |
Eyepiece | Exit pupil distance≥12 mm; Diopter: -4 to +2; Zoom: 18x |
Video output | Analog video |
Detection Range | |
Detection range | 1400 m |
Hardware | |
Laser rangefinder | Max. measuring range: 600m |
Functions | |
Scene modes | Enhanced, Highlight and Natural |
Color palettes | Black Hot, White Hot, Red Hot, Iron Hot, Blue Hot |
PIP | Available |
Hot spot tracking | Available |
Rough ranging | Available with APP |
WIFI | 2.4 G |
Supported Application | TargetIR |
Firmware OTA | Upgrade device firmware via app connection |
Others | PIP, Hot spot tracking |
Power | |
Battery type | Single, replaceable 18650 battery |
Operating time | ≥ 8 hours |
Interface | |
USB | USB Type-C |
Video interface | USB Type C |
Mechanical interface | UNC ¼"-20 (Tripod mounting), Mechanical expansion interface |
Environmental | |
Storage temperature | -30 °C to 60 °C |
Humidity | 10 % to 95 % non-condensing |
Shock | 30 G at 11 ms half sine pulse (as per IEC60068-2-27) |
Drop | 1 m |
Encapsulation | IP66 |
Certification | IP66, FCC, CE, RoHS, EAC, WEEE, un38.3, IEC 60825-1 Class 2 |
Physical | |
Weight | ≤399 g |
Size (L × W × H) | 153×77×74 mm |
Standard | A device, lens cover and lanyard, Battery charger, single 18650 battery, USB Type-C cable, Wrist strap, Carry bag, Eye mask, Quick use guide, Warranty card |









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