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IMAGE INTENSIFIER GEN II PLUS
EPM 225 G
Double Proximity Focused Image Intensifier with S25 multi-alkali photocathode on a 5.6 mm glass input window, microchannel plate and a phosphor screen on straight fiber optic output window (FOP). The Image Intensifier incorporates high voltage power supply with automatic brightness control(ABC) and bright source protection(BSP). Power connectors are contacts.
** “ Polar ” black & white image is available.
SPECIFICATION
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EPM 225 G
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EPM 225 G-A
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EPM 225 G-B
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EPM 225 G-C
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EPM 225 G-D
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Useful diameter
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17,5
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17,5
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17,5
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17,5
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17,5
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Nominal operationg voltage , V
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2-3,6
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2-3,6
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2-3,6
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2-3,6
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2-3,6
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Supply current , mA max
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22
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22
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22
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22
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22
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Phosphor
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P22/P43
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P22/P43
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P22/P43
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P22/P43
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P22/P43
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Photocathode sensitivity:
-white light , µm /lm
-at 850 nm, mA/W
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450
24
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550
38
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500
35
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600
40
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700
50
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Resolution lp/mm , min
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45
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49
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45
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53
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60
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Luminous gain at 20 µlx
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28200÷37700
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28200÷37700
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28200÷37700
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28200÷37700
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28200÷37700
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Signal to Noise Ratio min
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18
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20
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19
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21
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22
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Max.Output Brightness at 10lx cd/m 2
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4 - 8
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4 - 8
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4 - 8
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4 - 8
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4 - 8
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Modulation Transfer function
2.5 lp/mm
7.5 lp/mm
15 lp/mm
25 lp/mm
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0,84
0,66
0,45
0,26
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0,88
0,70
0,50
0,30
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0,88
0,70
0,50
0,30
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0,89
0,71
0,50
0,32
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0,89
0,71
0,50
0,32
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Mean Time To Failure hours min
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10000
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10000
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10000
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10000
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10000
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Shock Acceleration m/s 2
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5000 (500)
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5000 (500)
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5000 (500)
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5000 (500)
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5000 (500)
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Operating Temperature C° min/max
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-45 - +50
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-45 - +50
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-45 - +50
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-45 - +50
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-45 - +50
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Black dot diameter , micrometer
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First Zone 5.6mm
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Second Zone
5.6mm- 14.7mm
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Third Zone
14.7-17.5 mm
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More 250
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0
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0
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0
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From 150-250
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0
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0
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1
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From 100-150
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0
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2
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2
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From 50 to 100
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1
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3
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3
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From 0 to 50
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Not specified
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Not specified
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Not specified
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