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Infrared Viewing Devices
IRV2

IRV2 Infrared Viewer

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The IRV2 is a hand-held viewer designed for observing radiation in the 350 to 2000, 350 to 1700nm, 350 to 1300nm, or even 270 to 1700nm spectral range. The viewer may be post-mounted using its 1/4-20 internal threads or attached to a facemask for hands-free operation.
Specifications
 IRV2(270)     IRV2(2000)     IRV2(1700)     IRV2(1300)
Spectral response (nm) 270 - 1700     350 - 2000     350 - 1700     350 - 1300
Resolution (lp/mm) 30     60     60     60
Field of view (degrees)   20     40 with 1X lens,
18 with 2.5X 		    40 with 1X lens,
18 with 2.5X 		    40 with 1X lens,
18 with 2.5X
Lens F1.6/26mm quartz w/o iris     1X(F1.4/26mm) without iris or 2.5X(F2/58mm) with iris     1X(F1.4/26mm) without iris or 2.5X(F2/58mm) with iris     1X(F1.4/26mm) without iris or 2.5X(F2/58mm) with iris
Magnification   1X*     1X or 2.5X*     1X or 2.5X*     1X or 2.5X*
Focus (m) 0.15 to ∞     0.15 to ∞ with 1X lens, 0.25 to ∞ with 2.5X     0.15 to ∞ with 1X lens, 0.25 to ∞ with 2.5X     0.15 to ∞ with 1X lens, 0.25 to ∞ with 2.5X
S/N ratio (dB) –     –     –     –
Video output   –     –     –     –
Input voltage (VDC/mA max)     3/20     3/20     3/20     3/20
Battery type     1 x AAA     1 x AAA     1 x AAA     1 x AAA
Battery life (continuous, hours)     35     35     35     35
Temperature range (°C)     -10 to +40     -10 to +40     -10 to +40     -10 to +40
Dimensions (mm)     155 x 78 x 55     155 x 78 x 55 with 1X lens, 220 x 78 x 55 with 2.5X lens     155 x 78 x 55 with 1X lens, 220 x 78 x 55 with 2.5X lens     -155 x 78 x 55 with 1X lens, 220 x 78 x 55 with 2.5X lens
Weight (lb)     0.84     0.84 with 1X,
1.28 with 2.5X 		    0.84 with 1X,
1.28 with 2.5X		     0.84 with 1X,
1.28 with 2.5X

* IRV2(270) is physically compatible with both 1X and 2.5X lenses, but is not optically compatible with 2.5X lens.

     
       
     
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