7
Main tube parameters
Model
NVS 7-2 XT
NVS 7-3 XT
Generation
2+
3
IIT Model
NCXT4322
N3XT4322
ITT Resolution, min
57 lp/mm
57 lp/mm
Image Intensifier Type
(Generation/Grade)
2+
XT
3
XT
Photocathode operating diameter, mm
17.5
Photocathode type
S-25
GaAs
Photocathode sensitivity:
Integral
500
A/ lm
1,400
A/ lm
Spectral
at
= 850 nm
45 mA/W
120 mA/W
Light amplification
>35,000 fl/fc
Image magnification
1x
Max dark background brightness
1
10
cd/m
2
Signal-to-noise ratio
18 20
Current consumption, max
20 mA
25 mA
Voltage
2.8
0.8 V
MTBF, hours
10K
10K
Operating temperature range
-50°C … +55°C
