Dahua DH IPC HDW2831TP AS-S2

Camera

Image Sensor

1/2.7” 8Megapixel progressive CMOS

Max. Resolution

3840 (H) × 2160 (V)

ROM

128 MB

RAM

256 MB

Scanning System

Progressive

Electronic Shutter Speed

Auto/Manual 1/3 s–1/100,000 s

Min. Illumination

0.009 Lux@F2.0

S/N Ratio

>56 dB

Illumination Distance

30 m (98.43 ft)

Illuminator On/Off Control

Auto/Manual

Illuminator Number

2 (IR LED)

Pan/Tilt/Rotation Range

Pan: 0°–360°

Tilt: 0°–78°

Rotation: 0°–360°

Lens

Lens Type

Fixed-focal

Mount Type

M12

Focal Length

2.8 mm
3.6 mm

Max. Aperture

F2.0

F2.0

Field of View

2.8 mm: Pan 105° × Tilt 56° × Diagonal 125°

3.6 mm: Pan 87° × Tilt 47° × Diagonal 104°

Iris Type

Fixed

Close Focus Distance

2.8 mm: 1.0 m (3.3 ft)
3.6 mm: 1.9 m (6.2 ft)

DORI Distance

Lens

Detect

Observe

Recognize

Identify

2.8 mm

74.7 m
(245.1 ft)

29.9 m
(98.1 ft)

14.9 m
(48.9 ft)

7.5 m
(24.6 ft)

3.6 mm

106.7 m
(350.1 ft)

42.7 m
(140.1 ft)

21.3 m
(69.6 ft)

10.7 m
(35.1 ft)

Smart event

IVS

Tripwire; intrusion

Video

Video Compression

H.265; H.264; H.264B; MJPEG (only supported by the sub stream)

Smart Codec

Smart H.265 / Smart H.264

Video Frame Rate

Main stream:

3840 × 2160 (1 fps–15 fps)

2688 × 1520 (1 fps–25/30 fps)

Sub stream:

704 × 576 (1 fps–25 fps)