OPTO-EDU A23.3645 Series, Инструкция по эксплуатации

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7 Technical parameter
7-1
A23.3645 Techn ical Data Sheet
Eyepiece
Standard configuration
Auxiliary objectives
0.5X 1.5X 2X
Working
distance100mm
Working
distance165mm
Working distance
45mm
Working distance
30mm
Magnification
Field
of
view
Magnification
Field
of
view
Magnification
Field
of
view
Magnification
Field
of
view
10X/20
7X 28.6 3.5X 57.1 10.5X 19 14X 14.3
45X 4.4 22.5X 8.9 67.5X 3 90X 2.2
15X/15
10.5X 21.4 5.25X 42.8 15.75X 14.3 21X 10.7
67.5X 3.3 33.75X 6.7 101.25X 2.2 135X 1.7
20X/10
14X 14.3 7X 28.6 21X 9.5 28X 7.1
90X 2.2 45X 4.4 135X 1.5 180X 1.1
7-2
CCD specifi cati on
CCD Model
Specification
NTSC PAL
Pick-up Device 1/3
″
1/3
″
Vertical Resolution 450 TV line 450 TV line
Number of Pixels
（
H
）
768*
（
V
）
494
（
H
）
712*
（
V
）
582
Scanning System 525 lines, 60Field/Second
625lines
，
50 Field/Second
White Balance Can be switched between auto white balance and hand white balance
Back light compensation Auto Auto
Signal/Noise ratio More than 46db More than 46db
Gamma Characteristic 0.45 0.45
Minimum illumination 3 Lux 3 Lux
Input voltage
12V DC
（
9V-14V
）
12V DC
（
9V-14V
）
Power consumption 1.85 or less 1.85W or less