Comparison From Previous Models - Hitachi VK-U174 Service Manual

General Description > Comparison from Previous Models

2-4 Comparison from Previous Models

Item
Image Sensor
Total Pixels
Effective Pixels
Lens Focal Length
Angle of View
F-Value
Min. Distance
Signal Processing Circuit
Camera Optical Zoom
Functions Digital Zoom
(Control White Balance
through
RS-232C) Shutter Speed
Reverse
Mirror
Mosaic
Iris
Privacy Zone Masking
Scene Memory (Freeze)
Communication Speed
of RS-232C
Position Preset
Horizontal Resolution
Luminance S/N Ratio
Sensitivity Pro-AE mode
Pro-AE+ mode
Supplied Voltage
Power Requirement
Weight
Dimensions
VK-U174/U174E
1/4-inch CCD
VK-U174: 811 (H) × 805 (V),
410k
VK-U174E: 795 (H) × 596 (V),
470k
VK-U174: 768 (H) × 494 (V),
380k
VK-U174E: 752 (H) × 582 (V),
440k
f = 3.8 - 38.0 mm
Horizontal 50.7°(Wide), 5.4°(Tele)
F1.8 (Wide) - F2.4 (Tele)
1.0m (Tele), 0.01m (Wide)
DSP6
10× (Zoom speed: 3.2s/4.3s)
Off/On (Up to 12×)
Auto/Manual (Red/Blue Gain: Up-
Down/Fix)
VK-U174: 1/1 - 1/4 - 1/4000s
VK-U174E: 1/0.75 - 1/3 - 1/4000s
Off/On
Off/On
Off/On
Auto
Off/On (2 zone 2-D/8 zone 3-D)
Off/On
Selective
(4.8k/9.6k/19.2k/38.4/57.6k bps)
No-Trace preset/Trace preset
(Memory: max. 64 position)
VK-U174: More than 470 TV lines
VK-U174E: More than 460 TV lines
More than 50dB
1.0 lx
0.1 lx
9 V - 12 V DC ± 0.5 V
2.6 W (When suppling 9 V DC)
Approx. 100g
54.7mm
34.6mm
2 - 5
VK-S274R/S274ER
VK-S274R:
VK-S274ER:
VK-S274R:
VK-S274ER:
f = 4 - 88 mm
Horizontal 47°(Wide), 2.2°(Tele)
F1.6 (Wide) - F3.8 (Tele)
DSP5
22× (Zoom speed: 3.9s/6.3s)
VK-S274R: 1/2 - 1/4 - 1/4000s
VK-S274ER: 1/1.5 - 1/4 - 1/4000s
Not Provided
VK-S274R:
VK-S274ER:
0.06 lx
3.65 W (When suppling 9 V DC)
Approx. 222g
39.7mm
50mm
: Same as on left
60mm
89.5mm