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7040 Virginia Manor Road
Beltsville, MD 20705
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FLIR Camera Tau 2 - 640 Performance Version - FAST (30hz) Video version

FLIR Camera Tau 2 - 640 Performance Version - FAST (30hz) Video version
FLIR Camera Tau 2 - 640 Performance Version - FAST (30hz) Video version FLIR Camera Tau 2 - 640 Performance Version - FAST (30hz) Video version FLIR Camera Tau 2 - 640 Performance Version - FAST (30hz) Video version
Brand: FLIR
Product Code: Tau2-640p-FAST
Reward Points: 7999
Availability: Arrives in 10 - 30 days (21 already sold)
Cash back: You can earn up to $257.25 credit toward your next purchase. >>Click here<<

Available Options

Shipping Insurance:

Digital Video Recorder for FPV:

Lens Options 640p (stock availability may depend on specific option - contact for info):

* FLIR Tau 2 options:

   - OR -   

Domestic shipment
* Need to sign the FLIR agreement
* We will share there information to DOC to check our customer. "it will take same day or 2 days" for processing.

FLIR Thermal cameras terms and conditions:  

If you are located outside of the United States of America and Canada, an end user statement on company letterhead, signed by an officer of your company must accompany an order. For 30Hz cameras an Export License is required and will take approximately 60-90 days ARO. In cases where 9Hz cameras are quoted and purchased outside the United States of America and Canada, an end user statement is also required but may not need an Export License. End user statements must include the following statement:

1) These commodities are for commercial use only.
2) They will NOT be used in the design, development, production or use of nuclear, chemical or biological weapons or missiles.
Your order may be declined and refunded if we cannot verify the end-user statements.
 Tau 640 full frame rate cameras (30/60Hz) are export controlled by the US Department of State and hold ITAR status.  Only U.S.A. citizens can operate and own these products.  License approval takes 90-120 days for reply from the US Department of State.

Wide Field of View (WFOV) Commercial Version 
Tau  2  640  is  a  640x512  LWIR  uncooled  focal  plane  array  (FPA) camera with a pixel size of 17 microns. Several wide field of view lens options are offered. Lenses are hard carbon coated for harsh environments. 
Tau ouput multiple digital video formats as well as NTSC video at 30 fps as a standard, or PAL video at 25fps.
A  number  of  optional  accessories  provide  additional  Tau connectivity.  
H = Hard Carbon Coated Lens 
Tau 2 LWIR Thermal Imaging Camera Cores

Tau 2 is the latest generation product in FLIR’s Tau family of LWIR uncooled thermal imaging camera cores.

Two significant advances in Tau 2 are the introduction of:

  • Enhanced electronics for improved image processing; and
  • FLIR’s 336×256, 17μ-pitch sensor format (in addition to the 324×256, 25μ-pitch & 640×512, 17μ-pitch Tau 2 versions)

There is no difference in form or fit between Tau 2 and the first generation Tau cameras. The upgraded Tau 2 electronics enable additional functions and capabilities that are planned for release on a periodic basis. A comparison of the Tau2 version evolution can be found here: Tau Feature Comparison. Note that earlier versions of Tau (1.X) cannot be upgraded to the newer Tau 2 configuration.

Since the electronics are common between the Tau 2 – 640, Tau 2 – 336, and Tau 2 – 324, integrators have direct compatibility between the different camera formats, and most Tau camera versions share the same lens options.

FLIR also offers three low-cost Tau 2 options for applications that do not require high resolution imaging:

  • Tau2 160 a 160×128 with 25 μ-pitch
  • Tau2 162 a 160×128 with 50 μ-pitch
  • Tau2 168 a 160×128 with 34 μ-pitch



Tau 640

Tau 336

Tau 324

Thermal Imager Uncooled VOx Microbolometer
FPA / Digital Video Display Formats 640 × 512 336 × 256 324 × 256
Analog Video Display Formats 640 × 480 (NTSC); 640 × 512 (PAL)1
Pixel Pitch 17 μm 25 μm
Spectral Band 7.5 - 13.5 μm
Full Frame Rates 30 Hz (NTSC)
25 Hz (PAL)
30/60 Hz (NTSC)
25/50 Hz (PAL)
Exportable Frame Rates 7.5 Hz NTSC; 8.3 Hz PAL
Sensitivity (NEdT) <50 mK at f/1.0
Scene Range (High Gain) -25°C to +135°C -25°C to +100°C -25°C to +135°C
Scene Range (Low Gain) -40°C to +550°C
Time to Image <5.0 sec <4.0 sec
Factory Optimized Video Yes

Physical Attributes

Tau 640

Tau 336

Tau 324

Size (w/o lens) 1.75" x 1.75" x 1.18"
Lensed & Lensless Configurations Available Yes
Precision Mounting Holes (M2x0.4) on
3 sides (2 per side)
Sealable Bulkhead Mounting Feature
on Lens Barrel (M29×1.0), WFOV Only

Radiometric Features

Tau 640

Tau 336

Tau 324

Isotherms See Product Spec page 34 Section
Spot Meter Temperatures measured in central 4×4
Advanced Radiometry Improved accuracy, moveable spot meter, image metric data, T-Linear (digital output)
(OEM part number required, additional charge)

Image Processing & Display Controls

Tau 640

Tau 336

Tau 324

NTSC/PAL (field switchable) Yes
Image Optimization Yes
Digital Detail Enhancement Yes
Invert/Revert (analog and 8-bit digital) Yes
Polarity Control (black hot/white hot) Yes
Color & Monochrome Palettes (LUTs) Yes
Digital Zoom 2x, 4x, 8x 2x, 4x
Continuous Zoom Yes
Symbology (256 gray & 256 color) Yes, single-pixel resolution for all models

Digital Video

Tau 640

Tau 336

Tau 324

LVDS (14-bit or 8-bit) Yes
CMOS (14-bit or 8-bit) Yes
BT.656 (8-bit) Yes
Camera Link (Expansion Bus Accessory Module) Yes
Slow Video Option (factory configured) Yes


Tau 640

Tau 336

Tau 324

Primary Electrical Connector 50-pin Hirose
Input Power (max 2.5 amp during shutter) 4.0 - 6.0 VDC
Power Dissipation, steady state <1.2 W ~1.0 W
Flat-Field Correction (FFC) Duration <0.5 sec
Power Reduction Switch (disables analog video) Yes
RS-232 Compatible Communication 57,600 & 921,600 baud
External Sync Input/Output Yes
Discrete I/O Controls Available Yes (10-camera minimum)
Settable Splash Screens Yes (10-camera minimum)
User Configurability via SDK & GUI Yes
Dynamic Range Switching No Yes


Tau 640

Tau 336

Tau 324

Operating Temperature Range -40°C to +80°C
Non-Operating Temperature Range -55°C to +95°C
Temperature Shock 5°/min
Operational Altitude +40,000 feet
Humidity 5% - 95% non-condensing
Vibration 4.3g three axis, 8 hr each
Shock 200g shock pulse w/ 11 msec sawtooth
ROHS Compliant


Wide Field of View (WFOV) Models


7.5 mm

9 mm
f/1.25 for Tau 324 & 336
f/1.4 for Tau 640

13 mm

19 mm

Tau 640
(17μ 640×512)
90° x 69°
2.267 mr
69° x 56°
1.889 mr
45° x 37°
1.308 mr
32° x 26°
0.895 mr
Tau 336
(17μ 336×256)
45° x 35°
2.267 mr
35° x 27°
1.889 mr
25° x 19°
1308 mr
17° x 13°
0.895 mr
Tau 324
(25μ 324×256)
63° x 50°
3.333 mr
48° x 37°
2.778 mr
34° x 26°
1.923 mr
24° x 18°
1.316 mr
Min Focus Distance 2.5cm 3.2cm 7.6cm 15.3cm
Hyperfocal Distance 1.2m 2.1m 4.4m 9.5m
Hyperfocal Depth of Field 0.6m 1.1m 2.2m 4.8m
Lens Mount M34x0.5 inside thread; M29x0.5 outside thread
Length 8mm 9mm 13mm 19mm
Diameter 29mm 29mm 29mm 29mm
Weight 72g 72g <70g <70g


Narrow Field of View (NFOV) Models


25 mm

35 mm

50 mm

60 mm

100 mm

Tau 640
(17μ 640×512)
25° x 20°
0.680 mr
18° x 14°
0.486 mr
12.4° x 9.9°
0.340 mr
10.4° x 8.3°
0.283 mr
6.2° x 5°
0.170 mr
Tau 336
(17μ 336×256)
13° x 10°
0.680 mr
9.3° x 7.1°
0.486 mr
6.5° x 5°
0.340 mr
5.5° x 4.2°
0.283 mr
3.3° x 2.5°
0.170 mr
Tau 324
(25μ 324×256)
18° x 14°
1.000 mr
13° x 10°
0.714 mr
9.1° x 6.9°
0.500 mr
7.6° x 5.7°
0.417 mr
4.6° x 3.7°
0.250 mr
Min Focus Distance 30cm 60cm 1.5m 2.3m 7m
Hyperfocal Distance 21m 35m 71m 122m 160m
Hyperfocal Depth of Field 11m 18m 36m 61m 80m
Lens Mount M34x0.5 inside thread.
Length 25mm 35mm 50mm 60mm 100mm
Diameter 42mm 42mm 58mm 61mm 82mm
Weight 112g 150g 280g 200g 479g

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