> อัตราเฟรมเรท 20fps@5MP > รองรับระบบ HD and SD > เลนส์ฟิก 3.6mm,2.8mm,6mm > ระยะอินฟาเรด 20เมตร Smart IR > มาตรฐานกันฝุ่น กันน้ำ IP67, DC12V
วิดีโอ Dahua รุ่น DH-HAC-T2A51
Camera
Image Sensor
1/2.7" CMOS
Effective Pixels
2592(H)×1944(V), 5MP
Scanning System
Progressive
Electronic Shutter Speed
PAL: 1/25~1/100000s
NTSC: 1/30~1/100000s
Minimum Illumination
0.04Lux/F2.0, 30IRE, 0Lux IR on
S/N Ratio
More than 65dB
IR Distance
Up to 20m (66feet)
IR On/Off Control
Auto / Manual
Lens
Lens Type
Fixed lens / Fixed iris
Mount Type
Board-in
Focal Length
3.6mm (2.8mm, 6mm Optional)
Max Aperture
F1.85
Angle of View
H: 77.5° (93°, 49°)
v: 56.5° (68°, 37°)
Focus Control
N/A
Close Focus Distance
1400mm (800mm, 2500mm)
55.12'' (31.50″, 98.43'')
DORI Distance
Note: The DORI distance is a general proximity of distance which makes it easy to pinpoint the right camera for your needs. The DORI distance is calculated based on sensor specification and lab test result according to EN 62676-4 which defines the criteria for Detect, Observe, Recognize and Identify respectively.
DORI
Definition
Distance
Detect
25px/m
(8px/ft)
2.8mm:63m(207ft)
3.6mm: 80m(262ft)
6mm: 120m(394ft)
Observe
63px/m
(19px/ft)
2.8mm:25m(83ft)
3.6mm: 32m(105ft)
6mm: 48m(157ft)
Recognize
125px/m
(38px/ft)
2.8mm:13m(41ft)
3.6mm: 16m(52ft)
6mm: 24m(79ft)
Identify
250ppm
(76px/ft)
2.8mm: 6mm(21ft)
3.6mm: 8m(26ft)
6mm: 12m(39ft)
Pan / Tilt / Rotation
Pan/Tilt/Rotation
Pan: 0° ~ 360°
Tilt: 0° ~ 78°
Rotation: 0° ~ 360°
Video
Resolution
5MP (2592×1944)
Frame Rate
20fps@5MP,25/30fps@4MP, 25/30@1080P
Video Output
1-channel BNC high definition video output / CVBS video output (Can switch)
Day/Night
Auto (ICR) / Manual
OSD Menu
Multi-language
BLC Mode
BLC / HLC / DWDR
WDR
DWDR
Gain Control
AGC
Noise Reduction
2D
White Balance
Auto / Manual
Smart IR
Auto / Manual
Certifications
Certifications
CE (EN55032, EN55024, EN50130-4)
FCC (CFR 47 FCC Part 15 subpartB, ANSI C63.4-2014)
