Tau® 2

Longwave Infrared Thermal Camera Core

Tau® 2 thermal imaging cameras offer an unmatched set of features, making them well-suited for demanding applications like Unmanned Airborne Vehicles (UAVs), thermal sights, and handheld imagers. Improved electronics provide powerful image processing modes that dramatically improve detail and contrast. Its options include full radiometry, increased sensitivity (<30mK), and 640/60Hz frame rates. Since the Tau® 2 640 and 336 configurations share electrical functions, common integrations can be designed that work seamlessly with both formats. Tau 2

System Overview Tau 2 640 Tau 2 336 Tau 2 324
System Type 640 x 512 VOx Microbolometer
(Uncooled LWIR Thermal Imager]
336 x 256 VOx Microbolomter
(Uncooled LWIR Thermal Imager]
324 x 256 VOx Microbolometer
(Uncooled LWIR Thermal Imager]
Pixel Size 17 µm (Tau 2 640, 336); 25 µm (Tau 2 324)
Spectral Band 7.5 – 13.5 µm
Performance <50 mK @ f/1.0
Outputs
Analog Video Field-switchable between NTSC and PAL
30/60Hz (NTSC); 25Hz/60Hz (PAL);
<9Hz option for export (factory set)
30/60 Hz (NTSC); 25/50 Hz (PAL) ; <9Hz option for export (factory set)
Digital Video 8- or 14-bit serial LVDS; 8- or 14-bit parallel CMOS; 8-bit BT.656
Operation and Control
Image Control Invert, revert, continuous digital zoom, dynamic zoom & pan, digital zoom presets,polarity, false color or monochrome, isotherms, AGC, second generation digital detail enhancement (DDE), image optimization (BPR, NUC & AGC’d video), Active Contrast Enhancement (ACE, Information Based Histogram Equalization (IBHEQ), Smart Scene Optimization (SSO), settable splash screens
Camera Control Manual via SDK & GUI, dynamic range switching (Tau 2 324 only)
Signal Interface Camera Link (Expansion Bus Accessory Module), discrete I/O controls available, RS-232 compatible (57,600 & 921,600 baud), external sync input/output, power reduction switch (removes analog video)
FFC Duration < 0.5 sec
Physical Attributes
Size 1.75” × 1.75” × 1.75” (less lens)
Mounting Interface 6 attach points in lens mount, M2 x 0.4 on 3 sides, 2 per side (sealable bulkhead mounting feature on lens barrel [M29 × 1.0], WFOV only)
Power
Input Voltage 4.0 – 6.0 VDC
Primary Electrical Connector 50-pin Hirose
Power Dissipation ~ 1.0 W (Tau 2 324 & 336); <1.2 W (Tau 2 640); <1.3W (Tau 2 640/60Hz)
Time to Image <5 seconds (Tau 2 640); <4 seconds (Tau 2 336 and 324)
Physical Attributes
Operating Temperature Range -40° C to +80° C external temp
Storage Temperature Range -55° C to +95° C external temp
Scene Temp Range High gain: -40°C to +160°; Low gain: -40°C to +550°
Shock 200 g shock pulse with 11 msec sawtooth
Temperature Shock 5°/min
Vibration 4.3 g 3 axes, 8 hours each
Humidity 5 – 95% non-condensing
Operational Altitude +40,000 feet
ROHS, REACH, and WEEE Compliant